Introduction
crucian carp, aka the Japanese crucian carp, crucian carp, crucian carp Carassius auratus, etc crucian carp, aka the Japanese crucian carp, crucian carp, crucian carp Carassius auratus, etc . Hanoi imported from Japan of large carp are raised.The biggest ones could reach 2. 5 kg, a higher growth rate than local crucian fast 1 - 2
times due to this variety of crucian carp has a wide range, grew fast, the high water - reducing rate and few diseases in our country in a variety of freshwater bodies and were able to make good growth, maturation and spawning, the fish farmer to welcome, in our country and we have very many provinces has been popularized and times due to this variety of crucian carp has a wide range, grew fast, the high water - reducing rate and few diseases in our country in a variety of freshwater bodies and were able to make good growth, maturation and spawning, the fish farmer to welcome, in our country and we have very many provinces has been popularized and . this variety of crucian carp, adaptable, hardy, is resistant to high temperatures;early maturity, high reproduction rate;Farming, and carp eat similar food, but the price of silver carp (hypophthalmichthys molitrix) 60 per cent higher than in recent years this variety of crucian carp, adaptable, hardy, is resistant to high temperatures;early maturity, high reproduction rate;Farming, and carp eat similar food, but the price of silver carp (hypophthalmichthys molitrix) 60 per cent higher than in recent years .
Neijiang techniques.Popularize breeding since this variety of crucian carp by the tens of kilograms of raw yield to reach 200 - 300 kilograms, the local pool lined in aquaculture after carp and bighead carp, grass carp (Ctenopharyngodon idellus) while the third - place 1 1.
Cultivar Origin
native to this variety of crucian carp has a 300 - million - year - long history of Lake Biwa in Japan, it is accompanied by the evolution of the natural history of Lake Biwa in evolutionary development in Europe and Asia has become a special type of fish, the fish known in Japan as a source of Carassius auratus native to this variety of crucian carp has a 300 - million - year - long history of Lake Biwa in Japan, it is accompanied by the evolution of the natural history of Lake Biwa in evolutionary development in Europe and Asia has become a special type of fish, the fish known in Japan as a source of Carassius auratus . about Goro in 1897, the Japanese Osaka Hanoi a fisherman from the county to move inland and source Goro crucian carp pond farming in about Goro in 1897, the Japanese Osaka Hanoi a fisherman from the county to move inland and source Goro crucian carp pond farming in .
later on, after years of domestication and breeding, pure line slowly get excellent breeds, hence the name "Hanoi, Hanoi crucian carp Carassius auratus later on, after years of domestication and breeding, pure line slowly get excellent breeds, hence the name "Hanoi, Hanoi crucian carp Carassius auratus . Given in Japanese popular culture and has seen many aspects of biological research,Thus they duly called Given in Japanese popular culture and has seen many aspects of biological research,Thus they duly called .
Hanoi crucian carp of crucian carp (March 1976), China's Guangdong imported from Japan, the Farm's Hanoi crucian carp of crucian carp (March 1976), China's Guangdong imported from Japan, the Farm's . February 1977, according to Doomsday crucian is silver in colour and its feeding habits, gill raker structure, habits were like carp, crucian carp will be identified as a Chinese name, "cuvieri", is still going on, February 1977, according to Doomsday crucian is silver in colour and its feeding habits, gill raker structure, habits were like carp, crucian carp will be identified as a Chinese name, "cuvieri", is still going on, .
breeding this variety of crucian carp of countries, mainly Japan, were introduced, but no general reports breeding this variety of crucian carp of countries, mainly Japan, were introduced, but no general reports . in Chinese mainland in 1976 until March introduced by breeding goldfish Carassius cnvieri T in Chinese mainland in 1976 until March introduced by breeding goldfish Carassius cnvieri T .
due to having a wide range, growing fast, individual big in Japan (the biggest) is about 2. 5 kg), and the breeding cycle is short,high yield in winter, fishing (catching rate can be up to 95%), and high nutritive value (muscle crude protein content of about 17%) and it was delicious, and it's very popular with the raisers and customers for 2 2.
Characteristic Feature
crucian carp body color is silvery white, each of the fins are silver grey crucian carp body color is silvery white, each of the fins are silver grey . Long, and a flat side, and the high, slightly humped back before the hump - shaped without edges Long, and a flat side, and the high, slightly humped back before the hump - shaped without edges .
head head . abdomen is relatively small, blunt snout and small mouth abdomen is relatively small, blunt snout and small mouth .
, , . .
the end position in which the mouth without the pupil is small, the diameter of the pupil of the eye 2. 25 times .
eyes widely spaced elongated tail, tail to tail height of dorsal fin origin distance kiss eyes widely spaced elongated tail, tail to tail height of dorsal fin origin distance kiss . end side than the tail group is near the outer edge of the micro - concave end side than the tail group is near the outer edge of the micro - concave .
. dorsal - fin origin of dorsal fin with a relative, not reaching the anal fin base dorsal - fin origin of dorsal fin with a relative, not reaching the anal fin base .
from the trailing side than the pelvic fin base is near, and the third anal spine on the caudal fin is forked coarse from the trailing side than the pelvic fin base is near, and the third anal spine on the caudal fin is forked coarse .,,inferior lobe of blunt ending of the anal fin is located ,,inferior lobe of blunt ending of the anal fin is located .
before the before the . gill rakers compared with up to 102 - 120, a body length of intestine (5. 6 times, the proportion of male and female is 1: 1
crucian carp is phytoplankton and other plant - based omnivorous fishes crucian carp is phytoplankton and other plant - based omnivorous fishes . in the fry stage and late stage feeds on zooplankton, rotifers are mainly late in the fry stage and late stage feeds on zooplankton, rotifers are mainly late .
. Eating phytoplankton species reach a length of 15 - 25 mm for transforming feeding habits of fishes Eating phytoplankton species reach a length of 15 - 25 mm for transforming feeding habits of fishes .
in the main stage and adult stage, feeding mainly on phytoplankton, also eat a certain number of organic detritus and aquatic insects in the main stage and adult stage, feeding mainly on phytoplankton, also eat a certain number of organic detritus and aquatic insects . cuvieri likes to live in the pelagic water, the water quality changes,low dissolved oxygen on cuvieri likes to live in the pelagic water, the water quality changes,low dissolved oxygen on .
per liter soluble oxygen level below 0. 2 mg of water, can survive for several hours, only below o. 1 mg / l, which caused the death of on it temperature adaptability can be achieved, and at the normal feed intake and growth on it temperature adaptability can be achieved, and at the normal feed intake and growth .
in natural waters, or farmed, Bai riveting of the growth rate is faster than the general crucian in natural waters, or farmed, Bai riveting of the growth rate is faster than the general crucian . in the south area of China, the growth conditions of a body of water, C. auratus cuvieri 1 - winter - old reach their breeding habits and Cyprinus carpio, Carassius auratus, and normal diploid sexual populations, but also in quiet waters where natural reproduction
in natural waters,water temperature of 17.d egree. C. above start spawning optimum spawning temperature at about 20deg; C for producing adhesive eggs, belongs to the type of spawning in batches optimum spawning temperature at about 20deg; C for producing adhesive eggs, belongs to the type of spawning in batches .
crucian carp live in the pelagic water, liking it crucian carp live in the pelagic water, liking it . adaptability comparable to allogynogenetic silver crucian carp, are still capable of living in different waters in adaptability comparable to allogynogenetic silver crucian carp, are still capable of living in different waters in .
crucian carp floating head to appear serious hypoxia strangled, duration, up to 11 hours (asphyxia point of 0. 2 mg / l) crucian carp as planktivorous fish crucian carp as planktivorous fish .
in the water phytoplankton abundance, especially phytoplankton (such as green algae, green algae, diatoms,Euglena, etc.) of how much is this variety of crucian carp growth speed of the main factors influencing the crucian carp genus of pelagic fishes, winter could grow and ingest living crucian carp crucian carp genus of pelagic fishes, winter could grow and ingest living crucian carp .
due to the middle, thus easily caught fish polyculture due to the middle, thus easily caught fish polyculture . do mix, to be released in spring sheet tail sixty, year 0. 7 ~ 1 kg, yield can be obtain 40 ~ 50 jins, monoculture production obtained 800 kilograms, is a kind of fast growth, the economic benefits of high - quality fish
Female specific serum protein present in the mature female crucian carp serum in Osaka, and the male without injection of estradiol - induced Female specific serum protein present in the mature female crucian carp serum in Osaka, and the male without injection of estradiol - induced . males and mature female fish for the synthesis of this protein and cause fish hepatocytes rough endoplasmic reticulum increased, males and mature female fish for the synthesis of this protein and cause fish hepatocytes rough endoplasmic reticulum increased,.
glycogen granules were reduced from induction of Osaka crucian carp serum separated electrophoretically pure female specific serum protein of molecular weight 4000 466000. + (n = 10), the electrophoretic profile with three, with the pure blood of the female specific protein preparation of rabbit anti - male fish with antiserum does not react on the sera, while the mature female fish and fish - induced formation of serum 1 Immunoprecipitation of 
Artificial Propagation
1 The Parent Fish Rearing
Select 2 - 3 instar weighing 0.5 kg or more and 2 female, age, weight of 0.25 kilograms more than the male as the parent fish parent fish area 1 - 2 acres, in 1 - 1. 2 meters is
fish / 7 - 10 days before, by using the method of quicklime 60 - 75 kg dry pond disinfection, or 120 - 150 kg with a water disinfection: all of the fish before the 4 - 5 days, an acre pond, organic fertilizers, as well as 300 - 500 kilograms of manure for fish / 7 - 10 days before, by using the method of quicklime 60 - 75 kg dry pond disinfection, or 120 - 150 kg with a water disinfection: all of the fish before the 4 - 5 days, an acre pond, organic fertilizers, as well as 300 - 500 kilograms of manure for . parent fish breeding pool people generally from the spring the water temperature rises to above 10 deg, and put in a 200 - mu parent fish bait parent fish breeding pool people generally from the spring the water temperature rises to above 10 deg, and put in a 200 - mu parent fish bait .
kilograms of rice husk, bran, cake etc. concentrate mainly on the day, and once in the afternoon,feeding fish body weight of 3% - 5%, after 2 hours (fed eat for fertilization animal's excrement, 3. 5 days, each time with 150 - 200 kg per mu, the fertilizer and fertilizer
according to water quality, as the case may be, to maintain the transparency of the water about 35 centimeters advisable according to water quality, as the case may be, to maintain the transparency of the water about 35 centimeters advisable .
2 Eggs For Hatching
spawning pool from dozens of square meters to 1 - 2 mu may, depending on the production scale of the reaction, the water depth of 1 meter is spawning pool from dozens of square meters to 1 - 2 mu may, depending on the production scale of the reaction, the water depth of 1 meter is . first spawning pool by using quicklime 60 - 75 kg to pond disinfection first spawning pool by using quicklime 60 - 75 kg to pond disinfection .
available fish nest has a soft, much - branched, non - perishable, smooth surface, free of the toxin with palm bark, willow roots like available fish nest has a soft, much - branched, non - perishable, smooth surface, free of the toxin with palm bark, willow roots like . fish nest to the cabled, tied on a bamboo pole, five - membered ring or in the form of a raft type fish nest to the cabled, tied on a bamboo pole, five - membered ring or in the form of a raft type .
spring not the beginning of the summer, when temperature is stabilized at above 20 DEG C, referring to pro - people moving the fish spawning pool, adding water to see the fish on the dorsal fin of a fish in the bottom is swimming, basking, the back 2, and 4 hours after re - watering, to assist with its late - afternoon spring not the beginning of the summer, when temperature is stabilized at above 20 DEG C, referring to pro - people moving the fish spawning pool, adding water to see the fish on the dorsal fin of a fish in the bottom is swimming, basking, the back 2, and 4 hours after re - watering, to assist with its late - afternoon . spawning fish nest spawning pool to release people,The next morning, fish in which lays its eggs in the spawning spawning fish nest spawning pool to release people,The next morning, fish in which lays its eggs in the spawning .
orgasm, out of and into fish eggs on the nest, and supplement of new fish nest orgasm, out of and into fish eggs on the nest, and supplement of new fish nest . 100 kilos of fish, the fish nest 40 - 60, is placed on a surface of water, but Don't touch the mud 100 kilos of fish, the fish nest 40 - 60, is placed on a surface of water, but Don't touch the mud .
hatching breeding pool 1 to an area of 2 acres, in 1 - 1. 2 meters is eggs into the pool before 7 - 10 days into the ponds, disinfection, seed disinfection method is same as that of the parent fish eggs into the pool before 7 - 10 days into the ponds, disinfection, seed disinfection method is same as that of the parent fish .
fish nest with eggs after it in gently moved to the hatchling pools, fixed below the water surface is about 10 cm fish nest with eggs after it in gently moved to the hatchling pools, fixed below the water surface is about 10 cm . if the water temperature falls to 15 DEG C to the deep sink if the water temperature falls to 15 DEG C to the deep sink .
. temporarily but not in the mud bottom on temporarily but not in the mud bottom on .
acre put eggs in the control amount may be about 30 million,to keep the density of 5 thousand fry in acre put eggs in the control amount may be about 30 million,to keep the density of 5 thousand fry in . vertical water temperature of 20 DEG to 24 DEG C, the fertilized egg may be in the range of 45 - 48 hours incubation vertical water temperature of 20 DEG to 24 DEG C, the fertilized egg may be in the range of 45 - 48 hours incubation .
3 Fry
Fry out of the film before applying fertilizer mu for people and livestock excrement 200 - 300 kilograms to cultivate plankton, feeding fish fry for Fry out of the film before applying fertilizer mu for people and livestock excrement 200 - 300 kilograms to cultivate plankton, feeding fish fry for . fry hatching after 3 - 5 days can swim, the fish is gently taken out of the nest, begins to bait feeding fry hatching after 3 - 5 days can swim, the fish is gently taken out of the nest, begins to bait feeding .
2 days before the feeding of the yolk, per 10 thousand fry for 1 2 days before the feeding of the yolk, per 10 thousand fry for 1 . accosts him rubbing egg yolk with water feed, were 1 - 2 times after accosts him rubbing egg yolk with water feed, were 1 - 2 times after .
fed soy milk, every day in 2 to 3 times, each time the per - mu soybean feed 0. 7 - 0. 8 kg of a slurry (12 - 13 kg) every 1 - 2 days of top - dressing every mu for people and livestock excrement and water 50 - 80 kg, the degree of stable manure,transparency is maintained at about 35 cm every 1 - 2 days of top - dressing every mu for people and livestock excrement and water 50 - 80 kg, the degree of stable manure,transparency is maintained at about 35 cm .
when the fry grow to 2 cm, the re - fed with wheat bran, rice bran, defatted cake of oil and the like, a day per thousand fry in 2 to 3 kg when the fry grow to 2 cm, the re - fed with wheat bran, rice bran, defatted cake of oil and the like, a day per thousand fry in 2 to 3 kg . fry 2 to long by 1.5 to 3 cm, can drop into a screening in a fish rearing
Adult Fish
1 Fingerling Stocking
the stocking density should be appropriate, although adult fish of crucian carp fingerling rearing available (2005), also available year fry, fry and fingerling of stocking density, based on the graft density is too large, since water of crucian carp of the individual weight of less than 150 grams or more of the specification of the product, that is too thin and has wasted water and feed, the fish yield is also low the stocking density should be appropriate, although adult fish of crucian carp fingerling rearing available (2005), also available year fry, fry and fingerling of stocking density, based on the graft density is too large, since water of crucian carp of the individual weight of less than 150 grams or more of the specification of the product, that is too thin and has wasted water and feed, the fish yield is also low . practice shows that, in general have a mixed diet, late winter and early spring mu put tail weight 10 - 15 grams of 1500 - 2000 species a year later, in early June and then supplement of 3 - cm) tail 3000 year fry, adult fish 300 kilograms per mu by the end of may, a weight of 10 - 15 grams of fish tail above 2000;if mu previously open head batch cultivation of fish fry out of 3000 - 4000) tail, can be obtained per adult and 250 - 300 kg of harvest feed of practice shows that, in general have a mixed diet, late winter and early spring mu put tail weight 10 - 15 grams of 1500 - 2000 species a year later, in early June and then supplement of 3 - cm) tail 3000 year fry, adult fish 300 kilograms per mu by the end of may, a weight of 10 - 15 grams of fish tail above 2000;if mu previously open head batch cultivation of fish fry out of 3000 - 4000) tail, can be obtained per adult and 250 - 300 kg of harvest feed of .
if an improvement of the quality (protein content of up to 20% or more), not only the heavy tail and can grow to more than 200 grams), and the yield can also reach around 400 kg if an improvement of the quality (protein content of up to 20% or more), not only the heavy tail and can grow to more than 200 grams), and the yield can also reach around 400 kg .
2 Polyculture
polyculture of fish had to be found, this variety of crucian carp with herbivorous fishes such as carp, LdhA2) of polyculture had the best effect, because their droppings and residue which are rich in organic debris and optional conversion of the plankton, feeding goldfish just for polyculture of fish had to be found, this variety of crucian carp with herbivorous fishes such as carp, LdhA2) of polyculture had the best effect, because their droppings and residue which are rich in organic debris and optional conversion of the plankton, feeding goldfish just for . waters in order to reach its full potential, but also small amounts of polyculture of Silver Carp (Hypophthalmichthys molitrix), bighead carp, carp, but this fish the total yield of fishponds not exceeding a total of 15% - 20% waters in order to reach its full potential, but also small amounts of polyculture of Silver Carp (Hypophthalmichthys molitrix), bighead carp, carp, but this fish the total yield of fishponds not exceeding a total of 15% - 20% .
is the feeding, attention should be given to the following steps: firstly, forage, and cast the powder materials and powder feed and livestock feed, for fear of herbivorous fish to snatch a concentrate is the feeding, attention should be given to the following steps: firstly, forage, and cast the powder materials and powder feed and livestock feed, for fear of herbivorous fish to snatch a concentrate . in China for this variety of crucian carp production practice, it is generally thought that it "four everybody fish" great, and it is appropriate toAnd now that places with right conditions was carried out to pond crucian carp polyculture fish, also acquired a better effect, there is a place in the reservoir, and chunhua et al in breeding adult male, and also good in China for this variety of crucian carp production practice, it is generally thought that it "four everybody fish" great, and it is appropriate toAnd now that places with right conditions was carried out to pond crucian carp polyculture fish, also acquired a better effect, there is a place in the reservoir, and chunhua et al in breeding adult male, and also good .
goldfish pond, each mu 1 - winter - old fingerlings 3000 or so, and placing some of the large - sized grass carp, bream, carp and bighead, by the end of the yield by 400 to 500 kilograms, which is about 300 kilograms (ORF goldfish pond, each mu 1 - winter - old fingerlings 3000 or so, and placing some of the large - sized grass carp, bream, carp and bighead, by the end of the yield by 400 to 500 kilograms, which is about 300 kilograms (ORF . of high yield, and in the pond, the per mu net yield of this variety of crucian carp about 430 kg, The individual size approx 150 grams, up to a maximum of 500 grams of high yield, and in the pond, the per mu net yield of this variety of crucian carp about 430 kg, The individual size approx 150 grams, up to a maximum of 500 grams .
in a feeding proces,Due to this variety of crucian carp is a planktivorous fish, soil fertility and water quality, the Agency is the grain yield of rice and in a feeding proces,Due to this variety of crucian carp is a planktivorous fish, soil fertility and water quality, the Agency is the grain yield of rice and . should also often with suitable single artificial feed should also often with suitable single artificial feed .
crucian carp protein requirements are relatively low, typically in the feed as long as containing a certain number of vegetable protein, can satisfy its growth needs crucian carp protein requirements are relatively low, typically in the feed as long as containing a certain number of vegetable protein, can satisfy its growth needs . test showed that the feeding of the plant - based diet, which is superior to that of the feeding of animal protein feed test showed that the feeding of the plant - based diet, which is superior to that of the feeding of animal protein feed .
. Thus, this variety of crucian carp feed often soybean cake and wheat bran were artificially formulated feed, and is beneficial to the growth of C. auratus cuvieri T in the fish - farming and blunt snout bream (Megalobrama amblycephala Yih in polyculture fish ponds and a small amount of crucian carp (Hypophthalmichthys molitrix), bighead carp (Aristichthys nobilis), in the fish - farming and blunt snout bream (Megalobrama amblycephala Yih in polyculture fish ponds and a small amount of crucian carp (Hypophthalmichthys molitrix), bighead carp (Aristichthys nobilis),.
3 can result in high yield 3 can result in high yield.
3 Feed
fertilizer feed should be sufficient, this variety of crucian carp is a planktivorous fish, so I don't want to, timely fertilization, cultivate enough bait for stimulating feeding rate fertilizer feed should be sufficient, this variety of crucian carp is a planktivorous fish, so I don't want to, timely fertilization, cultivate enough bait for stimulating feeding rate . while feeding cake, rice bran, wheat bran and the like, in order to meet the needs of the fast growth of crucian carp of crucian carp proteins on while feeding cake, rice bran, wheat bran and the like, in order to meet the needs of the fast growth of crucian carp of crucian carp proteins on .
because of the requirement to be low in artificial diet containing a certain quantity of plant protein, after its ingestion can satisfy its growth needs because of the requirement to be low in artificial diet containing a certain quantity of plant protein, after its ingestion can satisfy its growth needs . proved simple feeding animal protein is the major component of the feed, or for animals and plants, were measured using an artificial diet, rather than the growth speed of crucian carp fed plant - based slow proved simple feeding animal protein is the major component of the feed, or for animals and plants, were measured using an artificial diet, rather than the growth speed of crucian carp fed plant - based slow .
however,A too low content of plant protein feed on growth of crucian carp is also disadvantageous to however,A too low content of plant protein feed on growth of crucian carp is also disadvantageous to . in the rearing of crucian carp, in addition to the natural beauty of forage, but also requires a certain amount of artificial feed for in the rearing of crucian carp, in addition to the natural beauty of forage, but also requires a certain amount of artificial feed for .
crucian carp were fed with artificial diets used, usually it is not using bean cake and wheat bran in a ratio of each half of the crucian carp were fed with artificial diets used, usually it is not using bean cake and wheat bran in a ratio of each half of the . being used for feeding has been shown in practice, this variety of crucian carp ingestion than artificial feed for fast growing being used for feeding has been shown in practice, this variety of crucian carp ingestion than artificial feed for fast growing .
feeding amount should be in accordance with the values of water temperature and to determine whether the fish appetite is exuberant feeding amount should be in accordance with the values of water temperature and to determine whether the fish appetite is exuberant . Usually, in June, due to this variety of crucian carp stocking just, not only is a small fish, but also the feeding ability is weak, the total feeding amount less Usually, in June, due to this variety of crucian carp stocking just, not only is a small fish, but also the feeding ability is weak, the total feeding amount less .
in July, the water temperature is higher and lighter, this variety of crucian carp ingestion ability crescendo,the feed should be more than 6 in July, the water temperature is higher and lighter, this variety of crucian carp ingestion ability crescendo,the feed should be more than 6 . 8 month, 9 month, much faster, the appetite of the most exuberant, the feed with an amount of at most 10 8 month, 9 month, much faster, the appetite of the most exuberant, the feed with an amount of at most 10 .
month, cooler - than - 8, 9, where they have been feed with month, cooler - than - 8, 9, where they have been feed with . decreasing the feeding time is twice a day, for the first time, at around nine o 'clock in the morning, afternoon and the second a 3 - 4 decreasing the feeding time is twice a day, for the first time, at around nine o 'clock in the morning, afternoon and the second a 3 - 4 .
4 The Details Of The Fishing
summerly autumn season is going to get caught, summer and autumn season, a great deal can and should be part of the catch tail wheel weighing about 100 g of the above listing of individual sales (around the time of the fish out of season), so as to reduce the load of the pond, the promotion of growth and development of small sized fingerlings summerly autumn season is going to get caught, summer and autumn season, a great deal can and should be part of the catch tail wheel weighing about 100 g of the above listing of individual sales (around the time of the fish out of season), so as to reduce the load of the pond, the promotion of growth and development of small sized fingerlings . this commodity market regulation by itself, or whether it is desirable from an economic perspective is desirable since the death of this commodity market regulation by itself, or whether it is desirable from an economic perspective is desirable since the death of .
Daily Management
(1) Visiting Pool, Aerator Management
DanJiangKou after each morning and evening patrols the pool once, observe the change of water quality, fish and the activities of feeding, and timely adjust feed feeding amount;Clear sundries in the pool, the pool is kept clean and tidy;found dead fish, fish disease, promptly buried to scoop them out and fill in the record DanJiangKou after each morning and evening patrols the pool once, observe the change of water quality, fish and the activities of feeding, and timely adjust feed feeding amount;Clear sundries in the pool, the pool is kept clean and tidy;found dead fish, fish disease, promptly buried to scoop them out and fill in the record . according to weather, the fish's activities, the timely starting of the aerator, such as: normal daily starting 2 hours, the dissolved oxygen retention pond 3 mg / liter or above according to weather, the fish's activities, the timely starting of the aerator, such as: normal daily starting 2 hours, the dissolved oxygen retention pond 3 mg / liter or above .
(2) Water Quality Control
hold on. The quality of being fat, living, tender and tastes" of maintaining the transparency and 25 ~ 30 cm and a pH value of 7. 5 ~ 8. 3 with seasons and water temperature different fill new water regulating water level, general every once in a fortnight, the high - temperature season every week with 15 - 30 cm, when necessary, may also be the entire pond water with seasons and water temperature different fill new water regulating water level, general every once in a fortnight, the high - temperature season every week with 15 - 30 cm, when necessary, may also be the entire pond water .
in a lack of water, may be suitable when splashed with micro - ecological preparation, control of surface algae, reached a pool of high - level in a lack of water, may be suitable when splashed with micro - ecological preparation, control of surface algae, reached a pool of high - level . Get a fish weir Get a fish weir.
(3) Disease Control And Prevention
"Mainly prevention" and "no disease early prevention, early detection and treatment," and regularly clean tools sterilization, food sterilization field, full spraying drug and fed the bait or the like in order to avoid outbreaks of fish disease "Mainly prevention" and "no disease early prevention, early detection and treatment," and regularly clean tools sterilization, food sterilization field, full spraying drug and fed the bait or the like in order to avoid outbreaks of fish disease . growth during the time that half month used 1 acres with 15 kg of quick lime (left), bleaches or 1 mg / liter or 0.1 mg / l with a strong chlorine, full rotation spraying, prevention and treatment of hemorrhagic septicemia virus etc., a bacterial fish disease;The worm, the parasite, myxosporean parasites such as fish disease with insecticide to prevent
of summer and autumn catching season should be a part of the tail wheel weighing about 100 g of the above listing of individual sales (around the time of fish - scale supply during the off - season), so as to reduce the load of the pond, the promotion of growth and development of small sized fingerlings of summer and autumn catching season should be a part of the tail wheel weighing about 100 g of the above listing of individual sales (around the time of fish - scale supply during the off - season), so as to reduce the load of the pond, the promotion of growth and development of small sized fingerlings . 4 4.
Cooking
White Steamed Crucian
Raw material: this variety of crucian carp (1 bar) to about 500 grams, ginger, green peppers, sliced red onion, cilantro, soy oil, peanut oil each are right amount Raw material: this variety of crucian carp (1 bar) to about 500 grams, ginger, green peppers, sliced red onion, cilantro, soy oil, peanut oil each are right amount . practices: 1. cuvieri slaughter, Rinse, wipe dry, rub some salt in the fish, the fish from a long intraday
2. fish steamed in the boiling pot, pour out the soup (broth) may be less if the reservation, put ginger, green peppers, sliced red onion slices and coriander;will bring to the boil and the kind of hot. pour the fish, then drizzled with soy sauce can be 
Crucian Carp Winter Melon Soup
1. Wash of crucian carp, black scraper, the intra - abdominal membrane, drain off the water;2. Wax gourd goes flesh with skin, abluent, cut thick piece;3. That was a cracking piece of ginger, pot with ginger to the pan and wipe down the arms, put two tablespoons oil, the oil to be heat under C. auratus cuvieri T. Fried until golden;4. The six bowls of water poured into the wide mouth of the pot boiling for the fried crucian carp and shredded ginger, bring to a boil again, 10 minutes, under the gourd, the front end portion of the pot to medium - low 30 minutes. Season with salt and drinkable with Functions: Regulating Stomach, antihypertensive, diuretic action Functions: Regulating Stomach, antihypertensive, diuretic action .
Milky Soup Mix
Raw material: this variety of crucian carp, peanut oil, cooking wine, iodine salt, onion, garlic, ginger, chicken bouillon and monosodium glutamate may (also), parsley, pepper (if a milder taste can), white vinegar practices: 1, this variety of crucian carp processing, pickling (don't have to, not as the meat is tender, become hardened) of ginger, garlic and beat into minced chives on a cutting Chopped scallion pieces 2, the grain pan put on a skillet with oil, put on pepper fry ~ not only on the bottom of the pan with oil, used a spatula to try and make the open places to the oil pan 3, this variety of crucian carp fry, and both sides should be slightly fried, cooked with a Note 4, to be fried into the fish flesh becomes red,Into the bowl 1 to half of the water medium can be placed in the ginger and garlic, add a small amount of wine, I plan to remove bad smell, add a little vinegar, then cover and boiling, and slow - cooked for another 20 minutes into a creamy soups are Raw material: this variety of crucian carp, peanut oil, cooking wine, iodine salt, onion, garlic, ginger, chicken bouillon and monosodium glutamate may (also), parsley, pepper (if a milder taste can), white vinegar practices: 1, this variety of crucian carp processing, pickling (don't have to, not as the meat is tender, become hardened) of ginger, garlic and beat into minced chives on a cutting Chopped scallion pieces 2, the grain pan put on a skillet with oil, put on pepper fry ~ not only on the bottom of the pan with oil, used a spatula to try and make the open places to the oil pan 3, this variety of crucian carp fry, and both sides should be slightly fried, cooked with a Note 4, to be fried into the fish flesh becomes red,Into the bowl 1 to half of the water medium can be placed in the ginger and garlic, add a small amount of wine, I plan to remove bad smell, add a little vinegar, then cover and boiling, and slow - cooked for another 20 minutes into a creamy soups are . of of .
Of course if you have enough time, you put 2 cups of water, and braise about 1 hour, such fish have dissolved into soup, taste!6, off heat, add salt and chicken essence, Wen Yu cooked for another 2 minutes from the wok, sprinkle on minced scallion and coriander Ding. can it 1 1.
