techniques for cultivating herring:

1. fry cultivation

6,-7, kg/ha of green manure or 3,-4, kg/ha of manure should be applied 5-7 days before seedling release. Organic manure should be fermented, decomposed, disinfected with 1%-2% lime, and water should be added after 2-3 days of fertilization.

ii. Feeding management

Soymilk is 3kg/ ha in the first 5 days and 4kg/ ha in the last 5 days, and it is increased as appropriate after 1 days, twice a day, and the whole pool is sprinkled evenly. Add 15 ~ 2 cm of water every 5 ~ 7 days, and add it to the water depth of 1.3 ~ 1.5 meters when the summer flower leaves the pool. According to the water quality of the cultivation pond, appropriate topdressing should be applied. After about 25 days of cultivation, fry should be sparsely divided into pools, and intensive exercise should be carried out for 2 ~ 3 times before leaving the pool.

Third, artificial breeding

Female parent fish and male parent fish with no injury, strong physique, soft and elastic abdomen, reddish reproductive pores, slightly flabby abdomen, liquid feeling when touching the abdomen, milky white semen flowing out from the reproductive pores of the abdomen when the eggs are developed to the end of maturity are selected for artificial induced labor. The mixed injection of oxytocin with LRH-A and PG.6 kg is effective.

Extended information:

Nutritional value of herring:

1. Besides protein and fat, herring is also rich in trace elements such as selenium and iodine, so it has anti-aging and anti-cancer effects.

1. Fish is rich in nucleic acid, which is an essential substance for human cells. Nucleic acid food can delay aging.

15.8-2.1g of protein, 2.6-5.2g of fat, 171-246mg of phosphorus, 32mg of magnesium, .94mg of zinc, 37.69gg of selenium and .81mg of total vitamin e are contained in every 1mg.

reference sources are: Baidu Encyclopedia-herring.