1, fish species: choose a strong body, weight of 100 grams / tail of the fish fry for breeding, 500-550 per acre, with 300 silver carp, bighead carp 70, carp 80 appropriate.
2, feed: feed to feed grass or a variety of water plants, but also can be fed vegetables, beans, melons, stems and leaves of corn.
3, management: feeding amount to eat before evening is good, in the afternoon every day around 4:00 p.m. according to the weight of the pond fish 1.5% feeding with granular bait, in order to supplement the nutrients.
I. Crisp Anhui fish farming technology
1, fish species selection
Crisp grass carp species must be neat specifications, robust, 100 grams / tail or so appropriate. Put 500-550 carp per mu, with 300 silver carp, 70 bighead carp, 80 carp, but also with the appropriate group head bream.
2, feed selection
Crisp Anhui fish culture, feed to feed grass or a variety of watercress-based, you can feed barnyard grass, reed grass, bitter grass, minced grass and so on, but also can be fed with artificially planted alfalfa, sudangrass, ryegrass and so on. In addition, a variety of weeds and vegetables, beans, melons, corn stems and leaves can be used to feed.
3, feeding management
Feeding volume should be flexible according to the weather, fish, eating, water quality, etc., to eat before evening is good. Feed 1.5% of the weight of the pond fish at around 4pm every day with pellet bait to supplement the nutrition. Crisp carp puffed pellet bait and green fodder with good results, not only to meet the needs of the growth of crisp carp, but also save a lot of labor, but also to purify the water quality, prevention of disease.
4, water quality management
Every 3-5 days to add 5-10 cm of new water to increase the vitality of the water body, increase the dissolved oxygen, improve the reproduction rate of zooplankton; equipped with an oxygenator to increase the oxygen to keep the water quality fresh, dissolved oxygen normal; every half a month every mu splash lime 10-20 kg to clarify the water quality.
Second, the culture of crispy Anhui fish is subject to geographical restrictions
The culture of crispy Anhui fish is not subject to geographical restrictions, but in Guangdong Province, Zhongshan City and other areas of the culture more. In the breeding of the selection of germplasm and good physical qualifications of qualified parents is one of the basic conditions of artificial reproduction of grass carp, to fish body strong, body color normal, scales intact, no injuries, no disease of the individual is appropriate. In the selection of parents, attention should also be paid to the male and female collocation, generally male body slightly more than female body.