Morphological Feature
crawfish, shrimp - like crustaceans while hard crawfish, shrimp - like crustaceans while hard . to about 5. 6 ~ 11. 9 cm, the overall color including red, reddish brown, pink sauce back
is dark red, pink, or white with orange spots on the carapace is dark red, pink, or white with orange spots on the carapace . portion nearly black, the abdomen rear surface has a wedge - shaped stripes portion nearly black, the abdomen rear surface has a wedge - shaped stripes .
juvenile shrimp body is a uniform grey, sometimes with black corrugated elongated chelae juvenile shrimp body is a uniform grey, sometimes with black corrugated elongated chelae . .
is not in the middle of the carapace are voids in the partition, with the particles on the carapace apparently is not in the middle of the carapace are voids in the partition, with the particles on the carapace apparently . sword with frontal or frontal side of the spine which is caused by the end of the portion with score sword with frontal or frontal side of the spine which is caused by the end of the portion with score .
claws are dark red and black, with bright orange or reddish nodules claws are dark red and black, with bright orange or reddish nodules . Larvae and females of the claws of the background color may be blackish brown Larvae and females of the claws of the background color may be blackish brown .
head finial is long,There is often a slight pricking or nodules, nodules, usually with a sharp spine head finial is long,There is often a slight pricking or nodules, nodules, usually with a sharp spine . larger is formed into a cylindrical shape, and the carapace with a thicker, and the carapace is slightly flat side. The front edge section except the Nephropidae, not with the preoral healing plate, the side edges with the chest abdominal carapace and thoracic limbs against the base of the neck. The obvious healing
. first antennae are relatively short, whip - 2 of the antennae have a well - developed scales on maxilliped 3 first antennae are relatively short, whip - 2 of the antennae have a well - developed scales on maxilliped 3 .
) that possess an outer limb was uniramous full ) that possess an outer limb was uniramous full . pereiopod, before 3 - chelate, wherein the first pair, which is particularly strong, with a thicker, it is also known as the crayfish pereiopod, before 3 - chelate, wherein the first pair, which is particularly strong, with a thicker, it is also known as the crayfish .
late 2 pairs of pereiopods are simple, claw - like filamentous gill for gill late 2 pairs of pereiopods are simple, claw - like filamentous gill for gill . .
crayfish with tentacles on the head 3, the proximal tentacle of the head, crayfish with tentacles on the head 3, the proximal tentacle of the head,. small pointed tip at the head of outer edges of the pair of antennae is particularly thick and long, snout - vent length (SVL) than 1 / 3;In a pair of long tentacles of the middle of the two pairs of short tentacles, the length is approximately half of the habitat and small pointed tip at the head of outer edges of the pair of antennae is particularly thick and long, snout - vent length (SVL) than 1 / 3;In a pair of long tentacles of the middle of the two pairs of short tentacles, the length is approximately half of the habitat and .
normal crawling six tentacles are extended forward, and if frightened or when attacked, the two long tentacles bending toward the tail, tail to prevent attack by normal crawling six tentacles are extended forward, and if frightened or when attacked, the two long tentacles bending toward the tail, tail to prevent attack by . chest pereiopods 5 to the first to third pairs of pereiopods end like forceps, 4 - 5 pairs of pereiopods. The end of the claw 2 of the pairs of pereiopods are particularly developed to become a large crayfish, crayfish, males more than females, and males of lobster has a scarlet front outer edge of the film, and a conspicuous
females do not have this red film, and thus this distinction of male and female become important features in the tail of the sheet 5 females do not have this red film, and thus this distinction of male and female become important features in the tail of the sheet 5 . powerful tail fan action,parent shrimp egg and incubation period, the tail fan is inwardly curved, crawling or fires, to protect the eggs or juveniles from powerful tail fan action,parent shrimp egg and incubation period, the tail fan is inwardly curved, crawling or fires, to protect the eggs or juveniles from .
Habitat Environment
crayfish lives in permanent streams and marshes, temporary habitat, including ponds and ditches in the crayfish lives in permanent streams and marshes, temporary habitat, including ponds and ditches in the . they typically are wood or plant debris mixed together, that would undermine and weaken the embankment they typically are wood or plant debris mixed together, that would undermine and weaken the embankment .
in a flood in his area, can in a simple caves are found in shallower water in a flood in his area, can in a simple caves are found in shallower water . life aquatic vegetation of wetlands, lakes and rivers within the life aquatic vegetation of wetlands, lakes and rivers within the .
Living Habits
Crawfish broad adaptability, which produced an optimal growth temperature, the water temperature of 10 - 30 deg.C of which can be normal growth and development of cold resistant can, can withstand temperatures above 40 C, can also be used as the temperature below - 14 c in the case of Enron overwintering can, can withstand temperatures above 40 C, can also be used as the temperature below - 14 c in the case of Enron overwintering .
Crayfish (Cambarus clarkii can grow rapidly, at a suitable temperature and sufficient supply, over a period of 2 months of culture, reach sexual maturity, and reach the commodity specifications, general male and female, the growth of shrimp, lobsters and that the specifications of the relatively large while the female, Crayfish (Cambarus clarkii can grow rapidly, at a suitable temperature and sufficient supply, over a period of 2 months of culture, reach sexual maturity, and reach the commodity specifications, general male and female, the growth of shrimp, lobsters and that the specifications of the relatively large while the female, . with many crustaceans, like crawfish growth is also accompanied by a molt, the molt, they generally find cover,such as kelp or plant leaves under with many crustaceans, like crawfish growth is also accompanied by a molt, the molt, they generally find cover,such as kelp or plant leaves under .
molt after the maximum amount of up to 95%, generally 11 molt once reaching sexual maturity, sexually mature individuals may continue to moult growth molt after the maximum amount of up to 95%, generally 11 molt once reaching sexual maturity, sexually mature individuals may continue to moult growth . whose life is not long, approximately 1 year but whose life is not long, approximately 1 year but .
food scarcities, drought and low temperature as compared to the case, the life span of up to 2 - 3 years breeding season food scarcities, drought and low temperature as compared to the case, the life span of up to 2 - 3 years breeding season . .
Happy digging caves located in the water of the pond for more than 20 cm, a depth of 60 cm to 1. 2 meters, within a thin layer of water, in order to preserve the humidity and mud at the entrance of the cave, generally, in a cap sealed to reduce moisture egress from summer night or after heavy rains, which have a habit of clambering ashore, may pass over the dam, summer night or after heavy rains, which have a habit of clambering ashore, may pass over the dam,.
crayfish enter other water bodies that belong to the omnivorous animals, eating habits, like eating crayfish in the river mud, and likes to eat dead fish or other aquatic life crayfish enter other water bodies that belong to the omnivorous animals, eating habits, like eating crayfish in the river mud, and likes to eat dead fish or other aquatic life . mainly eat plants, small fish, shrimp, plankton, benthic organisms, algae can be, as food mainly eat plants, small fish, shrimp, plankton, benthic organisms, algae can be, as food .
the astaxanthin content in the body with its outside against the environment, is also said to be the body of the astaxanthin content and that the higher the resistance of external environment, the stronger is the the astaxanthin content in the body with its outside against the environment, is also said to be the body of the astaxanthin content and that the higher the resistance of external environment, the stronger is the . crawfish itself cannot produce astaxanthin, mainly through the food chain of Food Micro - algae and the like to obtain astaxanthin,in vivo as an accumulated generating powerful antioxidant capacity of astaxanthin crawfish itself cannot produce astaxanthin, mainly through the food chain of Food Micro - algae and the like to obtain astaxanthin,in vivo as an accumulated generating powerful antioxidant capacity of astaxanthin .
crayfish can effectively enhance the resistance to the environment, and improve the reproductive ability of the crayfish can effectively enhance the resistance to the environment, and improve the reproductive ability of the . so the crayfish and the astaxanthin so tenacious vitality of strong security, when crayfish in lacking the astaxanthin - containing micro - algae survive in the environment instead of the so the crayfish and the astaxanthin so tenacious vitality of strong security, when crayfish in lacking the astaxanthin - containing micro - algae survive in the environment instead of the .
give people the illusion of understanding on some crayfish must live in a dirty environment give people the illusion of understanding on some crayfish must live in a dirty environment .
Distribution Range
distributed in Belgium, Belize, Brazil, Chile, China, Colombia, Costa Rica, Cyprus, the Republic, Ecuador, Egypt, France, Georgia, Germany, Italy, Japan, Kenya, Mexico, Netherlands, Philippines, Portugal, South Africa, Spain, Sudan, Switzerland, Uganda, United Kingdom, the United States (Alabama, Arizona, Arkansas, California, Florida - native, Georgia, Hawaii, Idaho, Illinois - native, Indiana, Maryland, Nevada, New Mexico - Native to: North Carolina,Ohio - native Oklahoma, Oregon, South Carolina, Tennessee - native, Texas - native, Utah, Virginia, West Virginia - not definitive), Venezuela (Bolivarian Republic of), Zambia distributed in Belgium, Belize, Brazil, Chile, China, Colombia, Costa Rica, Cyprus, the Republic, Ecuador, Egypt, France, Georgia, Germany, Italy, Japan, Kenya, Mexico, Netherlands, Philippines, Portugal, South Africa, Spain, Sudan, Switzerland, Uganda, United Kingdom, the United States (Alabama, Arizona, Arkansas, California, Florida - native, Georgia, Hawaii, Idaho, Illinois - native, Indiana, Maryland, Nevada, New Mexico - Native to: North Carolina,Ohio - native Oklahoma, Oregon, South Carolina, Tennessee - native, Texas - native, Utah, Virginia, West Virginia - not definitive), Venezuela (Bolivarian Republic of), Zambia .
Propagation Manner
Chang crayfish can reproduce annually, from May to September is peak Chang crayfish can reproduce annually, from May to September is peak . crayfish dioecious, and have relatively remarkable secondary sexual crayfish dioecious, and have relatively remarkable secondary sexual .
from abdominal pleopods may distinguish the shape, the first and the second abdominal pleopods characterized by spicules, and the first female swimming limbs into fine nano - holes;Secondly, both the cheliped obvious difference, male cheliped is coarse, and both ends of the outside of the cheliped has a bright red warty, while females of Chinese shrimp cheliped is relatively small, wart - like projections are not obvious;Third, the male: female: cheliped is relatively coarse, the individual is greater than the female, from abdominal pleopods may distinguish the shape, the first and the second abdominal pleopods characterized by spicules, and the first female swimming limbs into fine nano - holes;Secondly, both the cheliped obvious difference, male cheliped is coarse, and both ends of the outside of the cheliped has a bright red warty, while females of Chinese shrimp cheliped is relatively small, wart - like projections are not obvious;Third, the male: female: cheliped is relatively coarse, the individual is greater than the female, . crayfish of ovarian development is of longer duration, usually after mating, depending on water temperature are different, the ovarian development are needed to be 2 - 5 months before production on mature crayfish of ovarian development is of longer duration, usually after mating, depending on water temperature are different, the ovarian development are needed to be 2 - 5 months before production on mature .
, available from the carapace and abdomen and the connection of the observation, in accordance with the determination of ovarian color of gonads, the ovarian development of pale, yellow, orange, brown and dark brown (brown color) (bean paste), or the like which is an immature stage , available from the carapace and abdomen and the connection of the observation, in accordance with the determination of ovarian color of gonads, the ovarian development of pale, yellow, orange, brown and dark brown (brown color) (bean paste), or the like which is an immature stage . pale shrimp of the gonad, fine, take months before it reaches maturity;Orange is the basic of a mature ovary, copulation after about 3 months can ovulate;tawny brown and black is the maturation of the ovary, is breeding shrimp ideal type pale shrimp of the gonad, fine, take months before it reaches maturity;Orange is the basic of a mature ovary, copulation after about 3 months can ovulate;tawny brown and black is the maturation of the ovary, is breeding shrimp ideal type .
spermary is relatively small, in breeding ponds, generally in sync with the ovarian maturation spermary is relatively small, in breeding ponds, generally in sync with the ovarian maturation . America's major production region of crayfish, gradually draining the pond to stimulate gonad maturation of crayfish, prawn features that facilitate mating and spawning America's major production region of crayfish, gradually draining the pond to stimulate gonad maturation of crayfish, prawn features that facilitate mating and spawning .
crayfish almost throughout the year, but to the annual spring peak in water crayfish almost throughout the year, but to the annual spring peak in water . mating generally open area, the mating water temperature has a larger amplitude, from 15 to 31. degree. C. may be made in the
during copulation, the male through the sperm into her, spicular Crab (shrimp) of spermathecae, sperm in the spermatheca in Storage 2 - 8 months,can still be during copulation, the male through the sperm into her, spicular Crab (shrimp) of spermathecae, sperm in the spermatheca in Storage 2 - 8 months,can still be . the eggs inside the female after mating, successively a burrowing into the hole, when the egg matures inside burrows completed ovulation, fertilization, and larval development of the process of the special the eggs inside the female after mating, successively a burrowing into the hole, when the egg matures inside burrows completed ovulation, fertilization, and larval development of the process of the special .
crawfish breeding, breeding in burrows of most of the process is completed, the usual in the production of difficult to see crawfish breeding, breeding in burrows of most of the process is completed, the usual in the production of difficult to see . berried shrimp ovary after copulation takes 2 - 5 months last maturation, ovulation and fertilization of the fertilized egg berried shrimp ovary after copulation takes 2 - 5 months last maturation, ovulation and fertilization of the fertilized egg .
is purplish, is adhered to the abdominal pleopods of setae on the abdomen of berried shrimp is often close to the water inside to keep the eggs in a wet state ( is purplish, is adhered to the abdominal pleopods of setae on the abdomen of berried shrimp is often close to the water inside to keep the eggs in a wet state (. crawfish and fecundity is smaller, according to the different specifications, and fecundity is generally in the range of from 100 to 700 eggs,The average was 300 grain crawfish and fecundity is smaller, according to the different specifications, and fecundity is generally in the range of from 100 to 700 eggs,The average was 300 grain .
hatching time is about 14 - 24 days, but at a lower temperature, the duration of incubation may be up to 4 - 5 months hatching time is about 14 - 24 days, but at a lower temperature, the duration of incubation may be up to 4 - 5 months . crayfish in larval development period, there is no need for any external supply of nutrients, the hatching of shrimp in the shrimp abdominal stay several months, Fang crayfish in larval development period, there is no need for any external supply of nutrients, the hatching of shrimp in the shrimp abdominal stay several months, Fang .
out of matrix too early if the conditions are not appropriate, in caves and eat for weeks, and when the pond after filling, and prawn and shrimp from caves in the climb out of, the natural distribution in the pond, the shrimp will sometimes carry the larvae into the water, then release larvae of Procambarus clarkii out of matrix too early if the conditions are not appropriate, in caves and eat for weeks, and when the pond after filling, and prawn and shrimp from caves in the climb out of, the natural distribution in the pond, the shrimp will sometimes carry the larvae into the water, then release larvae of Procambarus clarkii . While the egg - carrying amount is relatively small,But hatching the survival rate is very high due to the While the egg - carrying amount is relatively small,But hatching the survival rate is very high due to the .
Crayfish (Cambarus clarkii) dispersion of the breeding habits of the fingerling of limits to large - scale production, to the intensive nature of the negative impact of the Crayfish (Cambarus clarkii) dispersion of the breeding habits of the fingerling of limits to large - scale production, to the intensive nature of the negative impact of the .
Much Of The Value Of The
Ornamental crawfish crayfish ornamental due to most of the contamination resistance is very strong, there is a high water quality by polluting toxins, can still survive with Ornamental crawfish crayfish ornamental due to most of the contamination resistance is very strong, there is a high water quality by polluting toxins, can still survive with . stocking in the aquarium, but also can effectively remove the excreta of fish and moss, on hydrological environment has a very large contribution to nutrition stocking in the aquarium, but also can effectively remove the excreta of fish and moss, on hydrological environment has a very large contribution to nutrition .
crayfish in vivo and the protein content was very high, fleshy and soft, easy to digest, the weak and sick and needed to recuperate after the person is an excellent food edible for their body size than other freshwater crayfish, shrimp, meat also becomes relatively large, and the meat is a treat for any of the reasons, and is fabricated into a variety of cuisines, including Ordo outgoing containing heavy metals and other hazardous substances,while the famous spicy crawfish (pediatric), etc., are all common meals, were also widely welcomed common cooking practices law: 1, preferably with a large cast - iron cooking pots, pans and you can have multiple, typically fried lobster did not take possession of the ravens is mounted;2, the pot is burning, have to put in more oil, mainly because this dish is stir - frying, oil, coke off right away, whatever.3, knotting scallion, ginger, sliced garlic until fragrant, then add the pepper, chilli and dry spices;4, shrimp in a pot, open flames, pour a teaspoon (tablespoon rice wine, salt, i.e., after 1 minute, this will be so tasty, stir - fries, soy sauce, white sugar, Fry, and half a bowl of water, the upper cover;5, 3 or 4 minutes after opening the cover, remove the onion, monosodium glutamate, pepper, onion, dish up
combine lobster intestines, gill, Whiskered Screech, washing, frying, stir - frying, to red, green, ginger, pepper, thirteen - spices, soy sauce, stewed and permeable to water, i.e. into characteristics: color red lobster, salty and delicious taste, unique flavor and thirteen characteristics: color red lobster, salty and delicious taste, unique flavor and thirteen .
in Xuyi, Huaiyin district, braised crayfish have also not thirteen - spices, chilli, soy sauce, scallion, ginger, pepper, don't need to add more water when burning, and burning them, and the taste is also popular; the lobster boiled edible after dipping sauce, lobster - like fragrance, flavor, and is more protruding in Xuyi, Huaiyin district, braised crayfish have also not thirteen - spices, chilli, soy sauce, scallion, ginger, pepper, don't need to add more water when burning, and burning them, and the taste is also popular; the lobster boiled edible after dipping sauce, lobster - like fragrance, flavor, and is more protruding . but no matter what,All burned to a crisp and fresh crawfish is but no matter what,All burned to a crisp and fresh crawfish is .
. 500 grams is fully washed, Drain 500 grams is fully washed, Drain .
within an appropriate amount of the oil pan, heat oil to put the ginger, garlic, chilies and stir - fry, stir - fry them in a pot of crawfish (Isn't it a bit cruel), to become red, adding salt, soy sauce, cooking wine, a little water, continue to bring to a boil with slow fire, to water is almost completely dry when the blaze was drying, delicious dish within an appropriate amount of the oil pan, heat oil to put the ginger, garlic, chilies and stir - fry, stir - fry them in a pot of crawfish (Isn't it a bit cruel), to become red, adding salt, soy sauce, cooking wine, a little water, continue to bring to a boil with slow fire, to water is almost completely dry when the blaze was drying, delicious dish . spiced crayfish (only only full, buy when called clean) 9.00 kg 1 /. lobster intestines, gill, Wash and Dry. 2. The preheated to 7 into a huge vat of boiling oil,Add lobster fried to eight maturity
all lobster fried spare all lobster fried spare . 3. Leave a bit of oil in pan, Add the onion, green pepper, ginger, scallion, garlic, and saute the
4. Place the lobster with salt, pepper, and stir - fry for 2 minutes. 5. flameout, freshwater shrimp served warmed up taste Gan, enters the liver, or kidney;shrimp, antitoxic promoting lactation, nourishing blood, eliminating blood stasis, neutralizeing poison, fortifying qi and nourishing yang, relieving, expectorant wait for effect;suitable for impotence, spermatorrhea and prospermia, milk, muscle and joint pain, tetany, intense itching, skin ulcer, frail and neurasthenia patients freshwater shrimp served warmed up taste Gan, enters the liver, or kidney;shrimp, antitoxic promoting lactation, nourishing blood, eliminating blood stasis, neutralizeing poison, fortifying qi and nourishing yang, relieving, expectorant wait for effect;suitable for impotence, spermatorrhea and prospermia, milk, muscle and joint pain, tetany, intense itching, skin ulcer, frail and neurasthenia patients .
Common population per capita edible Common population per capita edible . 1, impotence, male infertility, waist and feet of human consumption;sugar is with the measles, chicken pox while taking;Suitable in the elderly due to leg cramps are edible;2, infirmity, came at a time when, alas, are not eating shrimp;suffering from allergic rhinitis, bronchitis, recurrent episodes of allergic dermatitis. The old people should not eat
3 shrimp, shrimp or fish is wind driven, skin suffering from mange to Jisi 3 shrimp, shrimp or fish is wind driven, skin suffering from mange to Jisi . taboo shrimp for bogey and eat some fruits with taboo shrimp for bogey and eat some fruits with .
shrimp are abundant protein and calcium and other nutrients as shrimp are abundant protein and calcium and other nutrients as . if they are with the tannin - containing fruits such as grapes, pomegranate, hawthorn persimmon flower, equivalent food, not only reduces the nutritional value of protein and tannic acid and the calcium ions combine to form insoluble conjugate stimulate the stomach, causing discomfort, vomiting, dizziness, nausea and abdominal pain and diarrhea symptoms if they are with the tannin - containing fruits such as grapes, pomegranate, hawthorn persimmon flower, equivalent food, not only reduces the nutritional value of protein and tannic acid and the calcium ions combine to form insoluble conjugate stimulate the stomach, causing discomfort, vomiting, dizziness, nausea and abdominal pain and diarrhea symptoms .
seafood and fruit to eat the same interval should be at least 2 hours seafood and fruit to eat the same interval should be at least 2 hours .
Medicinal
Astaxanthin is present mainly in the shrimp head and shell of shrimp and yellow on the red stuff, most of the cooking method is likely to be lost, astaxanthin eat crayfish skin acne prevention method of crayfish has been in the country witnessed an upsurge in food, the obsession of the crayfish is the aged, the taste is delicious, but the whole makeup is being spent, the skin also is in, "overnight, bas - reliefs of ferocious blain blain will climb up on the forehead side of your nose!Even so, many of the MM or to the steep terrain, is utterly delicious with crayfish thoroughly captured the Astaxanthin is present mainly in the shrimp head and shell of shrimp and yellow on the red stuff, most of the cooking method is likely to be lost, astaxanthin eat crayfish skin acne prevention method of crayfish has been in the country witnessed an upsurge in food, the obsession of the crayfish is the aged, the taste is delicious, but the whole makeup is being spent, the skin also is in, "overnight, bas - reliefs of ferocious blain blain will climb up on the forehead side of your nose!Even so, many of the MM or to the steep terrain, is utterly delicious with crayfish thoroughly captured the ., in fact, if a balanced nutrition, blain blain can still get effective control of the , in fact, if a balanced nutrition, blain blain can still get effective control of the .
eat crayfish of that when you want to eat more fruit and vegetables, but best not to drink alcohol, eat lobster and beer is more easy to aggravate acne generation eat crayfish of that when you want to eat more fruit and vegetables, but best not to drink alcohol, eat lobster and beer is more easy to aggravate acne generation . in the anecdotal evidence is simple acne Secret Recipe "Bean - cure acne": the mung was boiled and after cooling the Okara on the face, over 10 - 20 minutes, and the boiled soup with the leftover of the drink, the better I'd ask you to look into the blain in the anecdotal evidence is simple acne Secret Recipe "Bean - cure acne": the mung was boiled and after cooling the Okara on the face, over 10 - 20 minutes, and the boiled soup with the leftover of the drink, the better I'd ask you to look into the blain .
of of .
Protection Level
The World's Union for the Conservation of Nature (IUCN) Red List of Threatened Species 2010 ver3. 1 no - risk (LC)
Species Damage
crayfish culture throughout the world, and is formed with a huge number of wild population of crayfish culture throughout the world, and is formed with a huge number of wild population of . China during the 1930s and 1940s, was introduced from Japan, Japan to a much earlier period from America's introduction, mainly used as food and pets often China during the 1930s and 1940s, was introduced from Japan, Japan to a much earlier period from America's introduction, mainly used as food and pets often .
crayfish in rice crops (polyculture) crayfish in rice crops (polyculture) . Tanaka as there is no need for incubation and fish ponds once dropped, and can be self - sustaining, post - harvest, it is not necessary to re - launch individual stock Tanaka as there is no need for incubation and fish ponds once dropped, and can be self - sustaining, post - harvest, it is not necessary to re - launch individual stock .
escape dykes and dig escape dykes and dig . they can survive in temporary water body in existence, and many established populations of incredibly fast and easy diffusion they can survive in temporary water body in existence, and many established populations of incredibly fast and easy diffusion .
on local fish, crustaceans and aquatic plants that threatens,undermine local food chains;because of its feeding roots directly to crops (especially rice and some other aquatic, semi aquatic crops and natural vegetation there is catastrophic failure;nest with one another due to irrigation water loss and land damage;Since the crayfish diet, and in a blur of fry rearing 1 year fingeriings of to some extent, and the harm of artificially - bred juvenile mussel on local fish, crustaceans and aquatic plants that threatens,undermine local food chains;because of its feeding roots directly to crops (especially rice and some other aquatic, semi aquatic crops and natural vegetation there is catastrophic failure;nest with one another due to irrigation water loss and land damage;Since the crayfish diet, and in a blur of fry rearing 1 year fingeriings of to some extent, and the harm of artificially - bred juvenile mussel . crayfish because of strong adaptability, high tolerance ability, many, fast population growth, often cut crops, especially rice, and by local freshwater crayfish species competition crayfish because of strong adaptability, high tolerance ability, many, fast population growth, often cut crops, especially rice, and by local freshwater crayfish species competition .
Breeding Technique
Fry Rearing
rearing pond area 20 - 40 square meters, and the depth of 0 - 6. 8 meters of cement products, and also can be selected close to the water of the pond of good water quality, in order to provide better drainage and escape - proof facility before putting the shrimp seedling into pond on the strict disinfection, as base fertilizer to cultivate plankton provide feed for the first transplant aquatic surface area of 30 mu% before putting the shrimp seedling into pond on the strict disinfection, as base fertilizer to cultivate plankton provide feed for the first transplant aquatic surface area of 30 mu% .
dropped 0. 8 cm juvenile 10 - 15 million, early on, that can be the bait, and an appropriate feeding of soya - bean milk and minced fish, increase; to artificial feed
Pond Culture
mu throwing shrimps; 1 - 1. 5 million, regularly by splashing water in quicklime to increase the calcium content is increased in the feed at night to feed mainly
Paddy Field Culture
Choice is good in quality, no pollution, strong ability of water retention, drainage and irrigation convenient, is not affected by the flooding of rice fields were irrigated with shrimp, rice fields along the ridge to the shrimp around the inside of the excavation groove, a groove width of 1. 5 - meter - by - 1 meter, the field which has a larger area, but also in the midst of the field ditch excavation, ditch the field width of 1 m, a depth of 0.5 m, shrimp and paddy field ditch area covers an area of 20% on the left and right sides of the ridge has a surface width of 3 meters or more , , .
1 m high ridge from the ridge at a height of 1 m, 3 m of a 1. 5 - meter high piles with bamboo, in the ridge of squash, beans, cucurbit, etc, is arranged on the upper surface of the to - be - vines,In the hot summer shade plays a role in the summer of shrimp and ditch field in transplanting aquatic weed, such as eel grass, Hydrilla verticillata, Ceratophyllum demersum, Batrachium bungei etc. The aqueous precipitation plant, the weed coverage to 30%, and is on a piecemeal basis, the dispersion is good, which is beneficial for the shrimp inside of which the water flow unimpeded plug
Tian surrounded with plastic, cement, asbestos or plastic slab of the escape - preventing walls crayfish escape Tian surrounded with plastic, cement, asbestos or plastic slab of the escape - preventing walls crayfish escape .
The Breeding Of Fries
Crawfish stocking to test the water, trying to enter the safety post, the shrimp and crawfish Crawfish stocking to test the water, trying to enter the safety post, the shrimp and crawfish . stocking in two ways: the first is the rice harvest after 9 months in the first month including the to - be - thrown directly in paddy field, let their own reproduction, according to the actual situation of the rice, grown individuals in more than 40 grams / 20 kilograms of crayfish, Sex ratio of 3: 1 stocking in two ways: the first is the rice harvest after 9 months in the first month including the to - be - thrown directly in paddy field, let their own reproduction, according to the actual situation of the rice, grown individuals in more than 40 grams / 20 kilograms of crayfish, Sex ratio of 3: 1 .
2 in May after transplanting rice seedlings, the size of 2 - 4 cm in the group of 1500 - 2000 tail or 30 kg / mu 2 in May after transplanting rice seedlings, the size of 2 - 4 cm in the group of 1500 - 2000 tail or 30 kg / mu . crawfish when in free - range, it is necessary to pay attention to the quality of the juvenile shrimp, same field stocking size as much as possible in order,stocking on the foot when the next morning in sunny or rainy days crawfish when in free - range, it is necessary to pay attention to the quality of the juvenile shrimp, same field stocking size as much as possible in order,stocking on the foot when the next morning in sunny or rainy days .
stocking, restocking with juvenile shrimp when 3% ~ 4% of the salt water bath for 10 minutes stocking, restocking with juvenile shrimp when 3% ~ 4% of the salt water bath for 10 minutes . disinfection wash disinfection wash.
Optimum Region
pond, lowlands, rivers and rice fields can be farmed pond, lowlands, rivers and rice fields can be farmed . 1 1.
Related Information
Deadly Crayfish
In May 2014, Huzhou, a year - old, because cleaning the lobster, the lobster is jaw up from the ground, he has a very high fever, three days after the tragic death of In May 2014, Huzhou, a year - old, because cleaning the lobster, the lobster is jaw up from the ground, he has a very high fever, three days after the tragic death of . reportedly said the 70 - year - old woman in Huzhou leaves three days before the family cooking lobster, lobster cleaning fingers of left hand when the pliers are inadvertently crawfish had bled reportedly said the 70 - year - old woman in Huzhou leaves three days before the family cooking lobster, lobster cleaning fingers of left hand when the pliers are inadvertently crawfish had bled .
Ye Old Madam also did not care about, Band - Aid so I couldn't, there's also done a delicious spicy lobster Ye Old Madam also did not care about, Band - Aid so I couldn't, there's also done a delicious spicy lobster . into evening, Ye Old fingers but inexplicable turn red and swollen, and early the next morning I started bad fever, soon fell into a coma state into evening, Ye Old fingers but inexplicable turn red and swollen, and early the next morning I started bad fever, soon fell into a coma state .
family rushed her to a local hospital, despite the many interventions to rescue,the old lady but unfortunately died at family rushed her to a local hospital, despite the many interventions to rescue,the old lady but unfortunately died at . doctor speculates that the woman likely died of anaerobic infection doctor speculates that the woman likely died of anaerobic infection .
doctor explained: or "anaerobes" infection of a provincial hospital dermatology department director Liu Xin told reporters, Ye Old Madam lobster injury symptoms that belong to the aquatic organisms by genodernatoses doctor explained: or "anaerobes" infection of a provincial hospital dermatology department director Liu Xin told reporters, Ye Old Madam lobster injury symptoms that belong to the aquatic organisms by genodernatoses . Liu Xin explains, lobster itself has no toxicity, but due to its living environment is much silt, sewage, dirty contained bacteria, the skin is wound out of the lobster, the lobster had by the will of the pathogenic bacteria intrudes into the apple through the wounds into the human body, it may cause local redness, fever and inflammation reaction Liu Xin explains, lobster itself has no toxicity, but due to its living environment is much silt, sewage, dirty contained bacteria, the skin is wound out of the lobster, the lobster had by the will of the pathogenic bacteria intrudes into the apple through the wounds into the human body, it may cause local redness, fever and inflammation reaction .
Liu Xin stressed,If the wound is deep, but it is not treated promptly, the inflammation to be able to accentuate, of toxins as function of blood vessels, lymphatic spread throughout the body, and if the patient resistivity difference, even organ functions are affected, thereby causing a worse Liu Xin stressed,If the wound is deep, but it is not treated promptly, the inflammation to be able to accentuate, of toxins as function of blood vessels, lymphatic spread throughout the body, and if the patient resistivity difference, even organ functions are affected, thereby causing a worse . provincial hospital doctor Chen said in his speech, the lobster is wound if the wound is not deep and timely hitting tetanus antitoxin, there is a possibility that anaerobic infections, anaerobic tetanus bacillus is one of the provincial hospital doctor Chen said in his speech, the lobster is wound if the wound is not deep and timely hitting tetanus antitoxin, there is a possibility that anaerobic infections, anaerobic tetanus bacillus is one of the .
Chen Hui, said the crayfish is embed in the sludge, the sludge has a less oxygen environment easy to breed "anaerobes", lobster could carry" anaerobes" Chen Hui, said the crayfish is embed in the sludge, the sludge has a less oxygen environment easy to breed "anaerobes", lobster could carry" anaerobes" . if lobster "forceps"the deep, in the wound, forming an oxygen - free space, the more "anaerobes" multiply and cause infection in clean wound if lobster "forceps"the deep, in the wound, forming an oxygen - free space, the more "anaerobes" multiply and cause infection in clean wound .
lobsters, is clamped on to the experience of the common, and Chen Hui, also said the public need not worry too much, since the onset of the injury to be rare, and the wound is shallow, and the human self - resistance of the body case and the relevant lobsters, is clamped on to the experience of the common, and Chen Hui, also said the public need not worry too much, since the onset of the injury to be rare, and the wound is shallow, and the human self - resistance of the body case and the relevant . Chen Hui speculates that the woman Ye may be old and frail, yet have heart disease, hypertension and other diseases, the pathogens to be less resistant to the disease - causing Chen Hui speculates that the woman Ye may be old and frail, yet have heart disease, hypertension and other diseases, the pathogens to be less resistant to the disease - causing .
