A kind of preparation method of bream and bream hybrid
A technology of trigonium bream and trigonium bream, which is applied in the field of hybrid preparation of trigonium bream and tricornis bream, can solve problems such as inapplicability, and achieve the effects of beautiful body shape, obvious growth advantages, and extensive feeding habits
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Embodiment 1
[0041] 1. Hybridization stage
[0042] 1. Parent selection: Select excellent individuals that have been bred through multiple generations as hybrid parents. The age of the bream and triangular bream has reached 3 full years, the weight is more than 1.0kg, and they are healthy, disease-free and injury-free.
[0043] 2. Strengthen cultivation:
[0044] (1) Intensive cultivation of the parents of the scalloped cymbidium: the ratio of male to female in stocking is 1:1.5, and the stocking amount is 200kg / 667m 2 . The bait is mainly small-scale fresh bait fish without disease, supplemented by high-quality extruded pellet feed, and the daily bait amount is 2% of the total weight. Beginning in mid-April, flush with fresh water once a week, and stop flushing in late May.
[0045] (2) Intensive cultivation of triangular bream parents: stocking ratio of male to female is 1:1.2, stocking amount is 100kg / 667m 2 . In addition to feeding the feed, crushed snail clams were also added, an...
Embodiment 2
[0055] 1. Hybridization stage
[0056] 1. Parent selection: Select excellent individuals that have been bred through multiple generations as hybrid parents. The age of the bream and triangular bream has reached 4 full years, the weight is more than 1.0kg, and they are healthy, disease-free and injury-free.
[0057] 2. Strengthen cultivation:
[0058] (1) Intensive cultivation of the parents of the scalloped cymbidium: the ratio of male to female in stocking is 1:1.8, and the stocking amount is 250kg / 667m 2 . The bait is mainly small-scale fresh bait fish without disease, supplemented by high-quality extruded pellet feed, and the daily bait amount is 3% of the total weight. Beginning in mid-April, pour new water twice a week, and stop flushing in late May.
[0059] (2) Intensive cultivation of triangular bream parents: stocking ratio of male to female is 1:1.3, stocking amount is 130kg / 667m 2 . In addition to feeding the feed, crushed snail clams were also added, and the d...
Embodiment 3
[0069] 1. Hybridization stage
[0070] 1. Parent selection: select excellent individuals of triangular bream through continuous multi-generation breeding and excellent individuals of bream induced by continuous gynogenesis as the hybrid parents. The age of bream and triangular bream reaches 4 full years, and the weight is more than 1.0kg. , and physically strong, disease-free and injury-free.
[0071] 2. Strengthen cultivation:
[0072] (1) Intensive cultivation of the parents of the scalloped cymbidium: the ratio of male to female in stocking is 1:1.8, and the stocking amount is 250kg / 667m 2 . The bait is mainly small-scale fresh bait fish without disease, supplemented by high-quality extruded pellet feed, and the daily bait amount is 3% of the total weight. Beginning in mid-April, pour new water twice a week, and stop flushing in late May.
[0073](2) Intensive cultivation of triangular bream parents: stocking ratio of male to female is 1:1.3, stocking amount is 130kg / 66...
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