Fish and duck polyculture

The mutual benefit between fish and duck is a new way to speed up the adjustment of the industrial structure in rural areas and increase farmers' income. Fish and ducks can use food and their accompanying products to provide meat and food for urban and rural residents to achieve a virtuous circle of substances. Ducks can swim in the water to cool down and eat frogs, clams, aquatic insects and other substances that are harmful to fish. Ducks can use waste produced from duck dung, residual feed, etc. to make fresh water and good environment. The disadvantages of fish and duck breeding. Fish and duck polyculture should be adapted to local conditions, make full use of natural conditions, ducks can be cultured according to the conventional, fish should pay attention to culture methods to improve the breeding efficiency, should master the following technical points:

1. Construction of Fish Ponds and Duck Sheds 1.1 The fish ponds should be constructed in places with sufficient water sources, good water quality, and no pollution. It is required that pools should be oriented east and west, water storage depth should be more than 1.5 m, and pools should be wide and have slopes. Area 5 Mu above. 1.2 The duck canopy should be built on the northern foot of the fish pond to keep the light. Before the shed, nets or bamboo pieces should be used to fence a fence about 0.7m in height. The water part should be about 50cm into the water, separated from the surface of the fish pond and used as a duck. Activity venues.

2, fish, ducks with stocking 2.1 due to small-scale fish easily swallowed by the duck should be encouraged to stocking large-scale species. The types of stocking should be based on fish and omnivorous fish, and should not be placed or placed less on herbivorous fish. Under normal circumstances, ponds and codfish should account for 45%, cockroaches, cockroaches, and tilapia should account for 50%. Grass and codfish can account for 5%. The specific stocking quantity should be appropriately adjusted according to the Tangkou conditions and management status. 2.2 There are about 120 ducks per acre of water and a duck canopy of 25m2.

3. Routine management 3.1 The daily patrol system should be adhered to, observe the fish and duck's feeding and activities, and prevent theft. 3.2 Usually, it is necessary to add water and change water to maintain good water quality. During the high temperature in summer, it is necessary to prevent oxygen deficiency, floating heads and flooding. 3.3 If the fish are stocked too much, they should feed the bait as appropriate; duck feed should be kept fresh, not mildew, fed 3-4 times a day, can not be fed too full to prevent the burden on the stomach. 3.4 The residual feed can be directly swept into the pond to feed the fish, duck sheds and duck farms should be regularly cleaned and kept clean. Excess duck dung should not be swept into the pool, but should be deposited and fermented.

4, disease prevention Fish, duck disease must adhere to the principle of prevention, implementation of the aquaculture process always. If you are sick, treat it promptly. 4.1 Before stocking, the fishpond shall be thoroughly cleaned with quicklime (75kg/mu). In case of ponds with more silt, dredging shall be conducted. The duck farm shall be well-paved and sprayed once with bleaching powder. 4.2 Fish species can be soaked in 4% saline solution to kill germs; young ducks should be immunized with vaccines to enhance disease resistance. 4.3 The body of water shall be splashed with lime water (10kg/mu) once every 15-20 days to disinfect and clarify the water body and improve the bottom quality. 4.4 Fish and duck feed should always be fed with norfloxacin, erythromycin, furazolidone and other drugs to prevent disease.

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