In a variety of main aquariums, raising a small amount of eel summer or winter fish can not only effectively remove the wild fish in the pond, provide a good ecological environment for the main fish, but also make full use of the feed resources. Increase the output of high-quality fish and increase the economic benefits of fish farming. The following are some of the models for pond raising of squid:
1. The pro-fish pond is a mixed-parent fish pond with deep water, high transparency, and often mixed with wild fish. The eel is a typical carnivorous fish, and it prefers water with high dissolved oxygen and fresh water. Pro-fish ponds and polyculture of squid are preferred for the selection of ponds that include grasses and blue broodstock. Stocking summer catfish is generally appropriate after artificial breeding of grass and blue broodstock. Stocking specifications are more than 3 cm, and stocking is 50 to 100 pigs per 667 m2 (1 mu). Such as feeding and management, the eel can be grown in the summer to 300 to 500 grams / tail, every 667 meters 2 can produce goods 10 to 15 kg.
2. Adult fish ponds Nesting raise adult fish ponds of squid, and it is better to use ponds mainly composed of feeding fish (grass, herring, etc.). The area of ​​the pond is more than 0.33 hectares, and the water depth is 2.0 to 2.5 meters. The pond is north-facing to the sun and equipped with aerators. If there is often micro-flowing water, it is better.
(1) Codfish summer flowers: stocking time is generally at the end of May or early June, stocking specifications more than 3 cm, polyculture of 50 to 80 per 667 m2. Before codfish summer stocking, a survey and analysis was conducted on the amount of bait fish in the polyculture pool. If there are more wild fish and the size is smaller than that of squid summer flowers, you can put the summer flowers of squid directly into the pool; if the number of wild fish is small and the specifications are large, they should be in the adult fish pond first. Introduce wild fish or summer fish so that the fish can have enough palatable food to eat.
(2) Mixed-stock large-sized carp fingerlings: The survival rate of large-size carp fingerlings in adult fish ponds is relatively high, generally more than 80%, and the growth rate is fast, reaching 500 grams or more at the end of the year. The stocking time of large-sized catfish fingerlings is approximately the same as that of the main fish stocks, and the water temperature in the winter and spring seasons is preferably around 10°C. Stocking specifications are 30 to 50 g/tail, and 15 to 25 tails per 667 m 2 polyculture. . In the adult fish pond, it is better to nest some of the first-instar eel and eel species so that they can feed on eel and breed pups in the pond. After April, a number of tilapia winter pieces can be stocked again as a supplement to bait fish. After June and July, squid entered the peak season of food intake. It is necessary to understand the feeding and growth of squid, the size and quantity of squid, and the trend of increase and decrease in order to make additional adjustments. By the end of the year, commodities can be caught and listed together with adult fish. The specifications can reach 500 grams, and the output can reach 15 to 25 kilograms per 667 meters.
1. The pro-fish pond is a mixed-parent fish pond with deep water, high transparency, and often mixed with wild fish. The eel is a typical carnivorous fish, and it prefers water with high dissolved oxygen and fresh water. Pro-fish ponds and polyculture of squid are preferred for the selection of ponds that include grasses and blue broodstock. Stocking summer catfish is generally appropriate after artificial breeding of grass and blue broodstock. Stocking specifications are more than 3 cm, and stocking is 50 to 100 pigs per 667 m2 (1 mu). Such as feeding and management, the eel can be grown in the summer to 300 to 500 grams / tail, every 667 meters 2 can produce goods 10 to 15 kg.
2. Adult fish ponds Nesting raise adult fish ponds of squid, and it is better to use ponds mainly composed of feeding fish (grass, herring, etc.). The area of ​​the pond is more than 0.33 hectares, and the water depth is 2.0 to 2.5 meters. The pond is north-facing to the sun and equipped with aerators. If there is often micro-flowing water, it is better.
(1) Codfish summer flowers: stocking time is generally at the end of May or early June, stocking specifications more than 3 cm, polyculture of 50 to 80 per 667 m2. Before codfish summer stocking, a survey and analysis was conducted on the amount of bait fish in the polyculture pool. If there are more wild fish and the size is smaller than that of squid summer flowers, you can put the summer flowers of squid directly into the pool; if the number of wild fish is small and the specifications are large, they should be in the adult fish pond first. Introduce wild fish or summer fish so that the fish can have enough palatable food to eat.
(2) Mixed-stock large-sized carp fingerlings: The survival rate of large-size carp fingerlings in adult fish ponds is relatively high, generally more than 80%, and the growth rate is fast, reaching 500 grams or more at the end of the year. The stocking time of large-sized catfish fingerlings is approximately the same as that of the main fish stocks, and the water temperature in the winter and spring seasons is preferably around 10°C. Stocking specifications are 30 to 50 g/tail, and 15 to 25 tails per 667 m 2 polyculture. . In the adult fish pond, it is better to nest some of the first-instar eel and eel species so that they can feed on eel and breed pups in the pond. After April, a number of tilapia winter pieces can be stocked again as a supplement to bait fish. After June and July, squid entered the peak season of food intake. It is necessary to understand the feeding and growth of squid, the size and quantity of squid, and the trend of increase and decrease in order to make additional adjustments. By the end of the year, commodities can be caught and listed together with adult fish. The specifications can reach 500 grams, and the output can reach 15 to 25 kilograms per 667 meters.
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