After the beginning of autumn, the climate is gradually cool, and the growth of fingerlings is increased from the increase in body length to the increase in body weight. Therefore, grasping the cultivation of autumn fingerlings and promoting the long-term growth of fish is the key to improving the survival rate.

Adjust the density, size and division. Choose low temperature and fine weather days, exercise the fish in the original fingerlings ponds, then concentrate the fish species in the cages to screen and sort, and put the fishes up to 16 cm into the fish ponds. Polyculture; fish species below 15 cm can be divided into three sizes: large (13-15 cm), medium (10-12 cm), and small (7-9 cm). Visualize the turnover conditions of their own fish ponds, and more fish ponds can be properly diluted to facilitate the rapid growth of fingerlings.

Strengthen fertilization and feeding. After the fingerlings are bred, they must be fertilized timely. In addition to feed duckweed, young grasses, leaves, and cassava leaves every day, the main grass-raising fish species also need to supply fine material. Every 10,000 species of fish are fed with peanut bran or 2-3 kg of pellet feed. When feeding, feed the green material first and then feed the concentrate. Generally 5-7 days, every 100m2 of manure and livestock manure excrement 100kg or superphosphate 4 kg, while also feeding 2-3 kg of peanut bran or corn flour every day, with grass and fish species, but also cast Feed some green stuff.

Adjust water quality. The ponds of the main grass-raising fish species require fresh water and a transparency of about 40 cm. Normally 4-5 days Note 1 new water. The ponds for the main eel and eel species require about 30 centimeters of transparency, and are usually fresh water for 10-15 days. In addition, every 15 days, 667 square meters of lime lime 15-20 kg, adjust the pH of the pond water.

Focus on disease prevention. Autumn is the epidemic season of fish diseases, especially grass carp disease is more serious. For fish ponds with a depth of 1 meter per 667 square meters, use 15-20 kg of quicklime or 0.75 kg of bleaching powder or 0.2 kg of strong chlorine fines per month. The whole pool of water should be spilled and the baits should be fed regularly, preferably 2 times a month. Three consecutive days of feeding to ensure the healthy growth of fish species.

Strengthen daily management. Adhere to the morning and evening patrol to observe the changes in the water quality of the ponds, and pay special attention to preventing flooding. After finding problems, take timely measures to resolve them.

Royal Jelly is also called Bee Milk. The fresh royal jelly is slightly ropy milk paste  substance; it is the excretive mixture of nutrition gland and maxilla gland of the head of little worker bee. The worker bees use this to feed the 1-3 days` worker bee larva and drone larva, 1-5.5 days` queen bee larva and queen bee in the oviposition period. The royal jelly is the biologic product containing very complicated active elements which contains almost all the nutrition elements required by the growth of the human body.

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