Cattle ranching

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  • Tham khảo sách 'committee on sustainable agriculture and the environment in the humid tropics', khoa học tự nhiên, công nghệ môi trường phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Susan Hansen has been Delta County, Colorado, administrator since 1992. She also serves as facilitator for the North Fork Coal Working Group, a collaborative group of government, business and environmental group representatives that meets quarterly to share information about, and address potential impacts of, coal development activities in Delta and Gunnison counties. She and her husband own and operate a cattle ranch in Crawford, Colorado.

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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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  • Literature reports comparing Ethiopian Boran with other indigenous Ethiopian cattle breeds indicate better growth performance for Ethiopian Boran (Table 2). Additionally, through improvement in management and selection, performance of Boran has been substantially improved. For example, the improved Boran is heavier at birth averaging 30 kg (DAGRIS 2006) and at Abernossa ranch in Ethiopia the weaning weight was estimated at 158 kg (Banjaw and Haile-Mariam 1994). This variation indicates the potential that can be exploited by within breed selection and improvement in management. ...

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