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Experience in the sources and selection of broodstock for freshwater pomfret (pirapitinga) farming
Freshwater pomfret has a strong reproductive capacity. When selecting broodstock, choose individuals that are large, fast-growing, free of any disease or injury, with smooth body surface and clearly defined coloration. Also avoid using fish that are closely related as broodstock, so as to prevent degeneration of the offspring and its effect on growth.
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Detailed Explanation of Key Technical Points for Raising Mandarin Fish in Ponds
(1) Selection of breeding conditions: Choose a pond with abundant water source, convenient water filling and drainage, and excellent water quality, with a pond area generally of 2~3 mu and a water depth of 1.5~2 m. (2) Preparation before stocking: ① Disinfect the pond. ② After clearing the main breeding pond, apply decomposed base
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Experience and Technical Key Points for Raising Yellow Catfish in Paddy Fields
1. Paddy field selection. It requires convenient water intake and drainage, sufficient water source, good water quality, and strong water retention. The area is generally 8-10 mu per plot. 2. Field engineering. Dig "tian"-shaped or "jing"-shaped ditches, with a ditch width of 3-5 m and a depth of 0.8-1 m, build water intake and drainage canals well, seal the water intake and drainage outlets with fine-mesh nets,
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What should be noted when choosing yellow catfish farming varieties
Yellow catfish belongs to the order Siluriformes, family Bagridae, genus Pelteobagrus. There are many species of yellow catfish, including Pelteobagrus vachelli, Pelteobagrus eupogon, Pelteobagrus angusticeps, Pelteobagrus intermedius, Pelteobagrus nitidus, Pelteobagrus fulvidraco, and others. At present, the main farming targets are the common yellow catfish and
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How to Choose a Site for Yellow Catfish Cage Culture
1) Waters with slight flow and certain wind waves are both suitable for setting up cages. For large and medium-sized reservoirs, lakes, rivers and other water bodies, compared with ponds, their characteristic is that they have certain wind waves and slight flow. The site for cage culture of yellow catfish requires certain wind waves and slight flow.
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Key Points of Ecological Aquaculture Technology for Yellow Catfish in Paddy Fields
I. Selection of the breeding area The breeding area is 65 hectares, with complete water, electricity and other facilities and convenient transportation. II. Paddy field engineering construction 1. For the field engineering, 10 mu is taken as one ecological aquaculture unit for yellow catfish in paddy fields. On the inner side of the paddy field ridge, a ring ditch with a top width of 1.5m, bottom width of 0.5m and depth of 0
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A Detailed Explanation of Muskrat Raising Methods and Technical Key Points
1) Free-range raising model: choose a relatively remote environment with basically no human disturbance, with forage grass and a water source. When releasing them, arrange the cages in order with a certain distance between them, place some concentrate feed and green grass beside the cage exits, and open the cage doors in the evening (the cage doors must open
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How should the site be chosen for artificial hedgehog rearing?
Old houses used for rearing hedgehogs can also be used after repair and renovation, which can save capital construction investment. If there are no idle old houses available, the following conditions should be noted when building a rearing farm. 1) Terrain and topography: A hedgehog rearing farm should be built on higher ground with dry soil.
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How to select and manage superior breeding chickens? Master these four key points
1. Appropriate ratio selection and pairing. If you have a superior flock but do not carry out rational selection and pairing, and let them mate randomly and indiscriminately, then the offspring produced will not be good. Therefore, in a flock of the same breed, for every 8-10 hens, select 1 particularly outstanding rooster, and it should have unique
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How to choose the season and the animals for short-term fattening of meat sheep
The nutritional value of mutton is high: the protein content of meat sheep is as high as 8%-9.5%, and the digestibility after human consumption is as high as over 90%. Mutton can provide a large amount of heat energy, more than 2 times that of pork. Therefore, mutton has long been favored by consumers. The autumn short-term fattening of meat sheep
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