Full artificial breeding technology for lateolabrax japonicus in northern area
A technology of artificial breeding and perch, applied in the field of breeding, can solve problems such as the degradation of germplasm resources, artificial selection of breeding technology, poor seed resistance, etc.
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Embodiment 1
[0031] Embodiment 1: Outdoor net cages and indoor cement pools for broodstock of perch in the northern region are fully artificially cultivated:
[0032] 1. First try the breeding method and hormone injection time. The body weight of the broodstock of sea bass is more than 2.50kg for female fish and more than 2.00kg for male fish. Choose a 5*5*1m indoor cement pool. During the breeding season, inject Ningbo No. 1 fish every other day. The HCG and LRH-A3 hormones produced by the Second Hormone Factory, the immature female fish of the perch broodstock;
[0033] 2. The outdoor ponds and indoor cement ponds are cultivated, and the transportation is carried out by dry method. The death rate is relatively large, and the broodstock females are immature;
[0034] 3. Outdoor 10-acre soil bottom pond, the depth of the net cage is at least 5 meters, and the joint cultivation of 5*5*3m simple cage and 5*5*1m indoor cement pond, and the comparison test of indoor cement pond cultivation, 12...
Embodiment 2
[0044] Embodiment two: the whole artificial propagation technology of broodstock of perch in northern area,
[0045] 1. Selection of broodstock: During the breeding season, judge whether there is semen outflow by lightly pressing the abdomen, and then select the female and male fish with strong physique, smooth body surface, no injury, and some excellent traits (growth, color, disease resistance, etc.) 1. Well-developed male fish and well-developed female fish with soft abdomen, strong body, smooth body surface, no injury, some excellent traits (growth, color, disease resistance, etc.), and well-developed female fish will be the parent fish to be born in that year;
[0046] 2. By selecting HCG and LRH-A3 two kinds of veterinary hormones produced by Ningbo No. 2 Hormone Factory, and the hormone injection volume HCG800IU / kg+4ug LRH-A3 / kg, it is finally determined that the muscle near the base of the dorsal fin of the heart (the edge covered by scales, It is beneficial to the pen...
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