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A kind of silky chicken breeding method
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A black-bone chicken and selection index technology, applied in the field of poultry breeding, can solve the problems of inaccurate measurement results and high subjectivity, and achieve the effects of improving the degree of refinement, easy promotion, and improving breeding efficiency
Active Publication Date: 2021-12-14
江苏立华育种有限公司 +2
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is: to overcome the problems of high subjectivity and inaccurate measurement results, and to provide a silky chicken breeding method
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Embodiment 1
[0035]Slaughtering 40 days 105 Silkies present embodiment selection is Jiangsu Li, animal husbandry Co. skin and musclechromaticity indexes (for ease of understanding and calculation, a laboratory scale reduced from the original 300 to 40 only). Colorimeter model used for the three ex Chi's 3NH-NR110.
[0042] (4) Press the OK key to start "Sample Measurement";
[0043] (5) a shoulder skin measured once before taking chest, and after three site measurements;
[0044] L is displayed on each me...
Embodiment 2
[0082] This embodiment chosen Slaughtering 50 Jiangsu Li, animal husbandry Co., Ltd. for 70 days Ikuha silky skin and muscle color indicators. Using the same equipment as in Example 1.
[0083] 1-4 Step 1 in Example 1, the measurement data phenotype (see Table 4),
[0084] Table 4 Silkies 40 individual shoulders and chest color index value
[0091] Step 5 in Example 1, an extreme calculating individual phenotypic selection indices were combined:
[0092] (1) Select the most flesh color and "deep" and the best "shallow" each individual 20 (see Table 5);
[0093] Table 5 Silkies color and often the shallowest and deepest set of chroma terminal trait index measurements flesh
[0094]
[0095]
[0096] (2) Use the above regression relationship to calculate the chest colo...
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Abstract
The invention relates to a silky chicken breeding method, which comprises the steps of: slaughtering the silky chicken, exposing the shoulder skin, the chest skin, and the pectoralis muscle; using a colorimeter to measure the shoulder skin and the front, middle, and back of the pectoral muscle in four places The brightness value L * , red and green value a * and yellow-blue value b * , to get the pectoral muscle part L * 、a * and b * The quantitative relationship between the value and the corresponding index of shoulder skin; establish the regression relationship Y between flesh color and skin color, and determine the combination selection index I of skin color and flesh color with the weight of skin color and flesh color chromaticity index each; establish the Logistic discriminant equation; The skin color data of the group to be selected is calculated according to the Logistics discriminant equation P value, according to P It is worth completing the task of automatic grouping of skin color, and realizing automatic discrimination and breeding of skin color and flesh color. This method has improved in terms of personnel efficiency, impact on chickens, data objectivity and breeding progress.
Description
technical field [0001] The invention belongs to the technical field of poultry breeding, and in particular relates to a silkie breeding method. Background technique [0002] Black-bone chicken is a rare medicinal bird unique to China, and the silky chicken produced in Taihe, Jiangxi Province is the most authentic. According to modern medical research, silky chicken is rich in melanin, protein, B vitamins, 18 kinds of amino acids and 18 kinds of trace elements, among which the content of niacin, vitamin E, phosphorus, iron, potassium and sodium is higher than that of ordinary chicken. Cholesterol and fat content is very low. The serum total protein and globulin content of black-bone chicken were significantly higher than that of common chicken. The amino acid content in silky chicken is higher than that of ordinary chicken, and the iron content is also much higher than that of ordinary chicken. It is a tonic with high nutritional value. Eating black-bone chicken can improv...
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