Selective breeding method for improving meat performance of black goats of Guizhou
A black goat, performance technology, applied in animal husbandry, etc., can solve the problem of low meat production performance
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[0025] The following combination figure 1 and specific embodiments, the present invention is described in detail.
[0026] A. Guizhou black goats (1-3 years old) weighing more than 30kg are used as female parents, and adult Lezhi black goats and Boer goats weighing more than 50kg are used as male parents. There are 480 basic ewes, 8 high-quality Lezhi black goat rams, and 8 high-quality Boer goat rams. The male and female rams were artificially inseminated with the diluted semen of Lezhi black goat rams to produce hybrid F1 lambs by adopting ram effect synchronous estrus. The offspring of hybrids were subcultured, with one generation every 10 months, and each generation adopted 5 times to gradually select the remaining breeding sheep.
[0027] Selection and retention of breeding ewes
[0028] The first selection and retention: when the lamb is born, the lamb weighs more than 2kg at birth.
[0029] The second selection: when the lamb is weaned at the age of 3 months, the we...
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