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Research on early growth and development regularity and meat performance of Nanjiang yellow goat fast long system
Pages: 28-31
Year: Issue:  9
Journal: Liaoning Journal of Animal Husbandry & Veterinary Medicine

Keyword:  Nanjiang yellow goatGrowth and development.Daily gainBody measurements;
Abstract: During the spring and autumn, respectively selected at random within 10 days after birth age difference of 120 Nanjiang yellow goat lamb, including 60 RAMS and ewes 60, experimental group and control group, the birth weight and 1, 2, 4 and 6 months of age and weight 2, 4 and6 months of age body measurements. Results show that the Nanjiang yellow goat fast long system under the condition of stabling the Nanjiang yellow goat in the early days with the increase of age and weight gain speed, two months ago to put on weight for the fastest growth of the first peak,weaning transition(3~4 months) grew more slowly, backup period(5~6 months) to put on weight recovery in the second growth peak. Old ram in June barn feeding conditions, weight is 32.97 kg,26.84 kg, ewe than it did when the Nanjiang yellow goat new varieties increased by 20.33% and20.33% respectively. 100 days of age lamb carcass weight is 7.97 kg, 6 months sheep body weighs14.88 kg, slaughter rate 49.91%, than the Nanjiang yellow goat species group increase 7.85 kg body weight, slaughter rate increased by 5.93%.
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