Feather color automatic sexing hen mating strain and hen mating strain four-strain-three-purpose mating using method
A technology of four lines, three uses and matching lines is applied in the field of matching lines of male and female hens. good quality effect
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Embodiment 1
[0029] In this example, the plumage color is self-separated female and male hens, which are bred by the following method. The male parent is the Yunong D-series laying hen that is short, blue-legged, white in eggshell color, and yellow in appearance. , The feather color of the appearance is white, and the wing tips, tail, shoulders, and neck feathers are black. The female parent of the Yunong H line is crossed to produce a DH matching line of yellow feathers, green shanks, and powder-producing layer hens. . The cultivation mode picture is as follows figure 1 shown.
[0030] The appearance of feathers is white, and the feathers on the wing tip, tail, shoulder and neck are black for roosters, and the appearance of yellow feathers is for hens. Hens produce high-quality native eggs with powder shells. The annual egg production of the DH series is 240. Compared with the annual egg production of 150-180 eggs in the current market, the average annual egg production of the DH series...
Embodiment 2
[0032] The supporting use method of the "four lines and three uses" of the chicken matching system of this embodiment: the specific operation steps are as follows:
[0033] 1) Use a dwarf chicken with white eggshell and yellow feathers as the male parent, use normal sex, white feathers, wing tip, tail, shoulder and neck The Yunong H line with black feathers is used as the female parent to cross to produce the DH matching line, which is yellow feather, yellow shank powder shell layer hen.
[0034] 2) When the market economic benefits of laying hens are higher than or equal to the economic benefits of broiler chickens, the DH matching system in step 1) is used to produce powder-shell soil eggs;
[0035] When the market economic benefit of laying hens is lower than the market economic benefit of broiler chickens, the DH matching line in step 1) is used as the female parent, and the No. 1 paternal rooster (A) of the yellow shank medium-speed type Nanhai jute chicken (A) is used as...
Embodiment 3
[0039] The supporting use method of the "four lines and three uses" of the chicken matching system of this embodiment: the specific operation steps are as follows:
[0040] 1) The male parent is the Qingshan Yunong D-series laying hen, which is short in size, white in eggshell, and yellow in appearance. The Yunong H line with black feathers was used as the female parent for crossing to produce DH matching line with yellow feathers and green shank powder shell layer hens.
[0041] 2) When the market economic benefits of laying hens are higher than or equal to the economic benefits of broiler chickens, the DH matching system in step 1) is used to produce powder-shell soil eggs;
[0042]When the market economic benefits of laying hens are lower than the market economic benefits of broilers, the DH matching line in step 1) is used as the female parent, and the male parent of the Jinling Ma chicken (A') of the Qingshan medium-speed type is used as the male parent to carry out cross...
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