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Breeding strategy to improve Ethiopian Boran cattle for meat and milk production

Chia sẻ: Sfafsa Aff | Ngày: | Loại File: PDF | Số trang:56

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Breeding strategy to improve Ethiopian Boran cattle for meat and milk production

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According to Coppock (1994) under pastoralist management conditions, age at first calving is about four years of age. At Abernossa ranch in Ethiopia, weight and age at puberty in heifers were found to be about 155 kg and 22 months, respectively. Calving rate under a single-sire mating system was also improved to above 80% (Azage 1989), compared to about 45% under pastoral management conditions (Coppock 1994). These results would therefore indicate the improvement that could be achieved through proper selection scheme and better management....

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Nội dung Text: Breeding strategy to improve Ethiopian Boran cattle for meat and milk production

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