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Golden gray feather color native chicken breeding method

A technology of gray feathers and native chickens, applied in animal husbandry, etc., can solve the problems of miscellaneous feathers and high cost, and achieve the effects of uniform feather color, saving feeding costs, and accelerating sexual maturity

Pending Publication Date: 2021-10-22
柞水县毅力农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Disadvantages of the current selection methods of golden-gray native chickens: First, miscellaneous feathers still appear in each generation after selection and purification
Fourth, the cost in the process of breeding and purification is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0041] Embodiment: the kind rooster and precocious strain of golden-gray native chicken breed step:

[0042] 1. Select 6,220 golden powder parent hens and 6,318 roosters for hatching as the basic group, and establish a pedigree record file;

[0043] 2. Determination: Measure the body weight of male and female hens at 1, 60, 90, 120, and 300 days old, process the data and select seeds, eliminate variegated individuals, keep seed weights within the range of the average ± 10%, and retain seeds for hens 500, and 2,300 roosters are reserved for breeding.

[0044] 3. Breed selection at the start of production: at the start of production, record the age at the start of production, eliminate hens that have not yet started production at the age of 145 days, and obtain 3,210 hens that meet the requirements.

[0045] 4. Semen test: 165-day-old roosters were tested for semen, and 480 roosters were selected to reserve breeding roosters whose semen volume exceeded 0.7mL and sperm density e...

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PUM

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Abstract

The invention relates to a golden gray feather color native chicken breeding method. The breeding method comprises the following steps: selecting and reserving gray feathers when chicks come out; selecting and reserving individuals with grey feet, grey legs, grey beaks, grey skins, grey ears, no eye diseases and upright single crowns at the age of 8 weeks; conducting the same selection as the age of 8 weeks at the age of 18 weeks; according to the egg shell color, selecting and reserving pink-shell egg laying individuals; selecting and measuring the weights of 1, 56, 84, 112 and 300 days old, and selecting and reserving individuals within the range of plus or minus 10% of the average weight; at the first laying day age, eliminating individuals with the first laying day age being later than 140 days; selecting hatching eggs; establishing families; establishing the families after 300 days old; hatching the family with the ratio of male to female of 1:10; according to the seed reserving rate, adopting different families; carrying out pullorum disease purification on chicken flocks at the age of 12-14 weeks and the age of 24-28 weeks; after 1-2 generations of breeding, the grey-feather green-shell chicken can lay 100% of green-shell eggs; and the golden grey native chickens bred by the breeding method are consistent in feather color and have unique appearance. The sexual maturity performance of the golden grey native chickens is accelerated, and the feeding cost is saved.

Description

technical field [0001] The invention relates to a method for selecting native chickens with golden gray feather color, and belongs to the technical field of native chicken breeding. Background technique [0002] Golden gray native chicken is a traditional fine poultry population with unique local characteristics that has been naturally selected from local chicken breeds in Zhashui County, Shaanxi Province for a long time. The chicken population has wide adaptability, resistance to rough feeding, and strong disease resistance. Its production areas are mainly distributed in Beihe, Fenghe, Hongshi, Gaoqiao, Jiujianfang, Longtan and other villages in Zhashui County. ) feet, gray beak, gray crown "five grays" characteristics. The chicken is tender, juicy and delicious, rich in nutrients such as amino acids and trace elements, and low in fat and cholesterol. It also has the effect of treating heat stroke, typhoid fever, convulsions in children and women's habitual abortion, and i...

Claims

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Application Information

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IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 张国玺鲍堂梅张楠王有明
Owner 柞水县毅力农业科技有限公司
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