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Journal Article 1985

Autor: Trail, J.C.M. Gregory, K.E. Marples, H.J.S. Kakonge, J.

Presents results of a study conducted to estimate the effects of heterosis and breed on a series of maternal and individual traits; uses Boran X Ankole and Boran X Zebu as crossbred cows and Ankole, Boran and Small East African Zebu as straight-bred cows; includes calf crop born, preweaning viabi...

Enlace original: https://cgspace.cgiar.org/handle/10568/32979

Investigación en Agricultura
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Trail, J.C.M. ,  Gregory, K.E. ,  Marples, H.J.S. ,  Kakonge, J. ,  [Comparison of Bos taurus - Bos indicus breed crosses with straight bred Bos indicus breeds of cattle for maternal and individual traits] ,  Comparison of Bos taurus - Bos indicus breed crosses with straight bred Bos indicus breeds of cattle for maternal and individual traits
Journal Article 1985

Autor: Gregory, K.E. Trail, J.C.M. Marples, H.J.S. Kakonge, J.

Presents results of a study conducted to estimate the effects of heterosis and breed on a series of maternal and individual traits; takes Boran X Ankole and Boran X Zebu as crossbred cows and Ankole, Boran and Small East African Zebu as straightbred cows; includes traits like calf crop born, prew...

Enlace original: https://cgspace.cgiar.org/handle/10568/32982

Investigación en Agricultura
Enlace permanente
Gregory, K.E. ,  Trail, J.C.M. ,  Marples, H.J.S. ,  Kakonge, J. ,  [Heterosis and breed effects on maternal and individual traits of Bos indicus breeds of cattle] ,  Heterosis and breed effects on maternal and individual traits of Bos indicus breeds of cattle
Journal Article 1985

Autor: Gregory, K.E. Trail, J.C.M. Marples, H.J.S. Kakonge, J.

Compares individual as well as maternal traits of different breeds of Bos indicus and Bos taurus cattle interms of cow weight at parturition, weaning and at dif. stages after parturition, calf crop, viability and weight at dif. ages.

Enlace original: https://cgspace.cgiar.org/handle/10568/32983

Investigación en Agricultura
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Gregory, K.E. ,  Trail, J.C.M. ,  Marples, H.J.S. ,  Kakonge, J. ,  [Characterization of breeds of Bos indicus and Bos taurus cattle for maternal and individual traits] ,  Characterization of breeds of Bos indicus and Bos taurus cattle for maternal and individual traits
Book 1981

Autor: Trail, J.C.M. Gregory, K.E.

Evaluates and compares the productivity under commercial management levels of Sahiwals, Sahiwal/Ayrshire crossbreeds, indigenous Small East African Zebus and Boran, using data from 5 herds in Kenya, with particular reference to reproductive and growth characters, milk production, viability and in...

Enlace original: https://cgspace.cgiar.org/handle/10568/4224

Investigación en Agricultura
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Trail, J.C.M. ,  Gregory, K.E. ,  [Sahiwal cattle: An evaluation of their potential contribution to milk and beef production in Africa] ,  Sahiwal cattle: An evaluation of their potential contribution to milk and beef production in Africa
Journal Article 1981

Autor: Trail, J.C.M. Gregory, K.E.

Results of a study conducted in the Rift Valley Province of Kenya comparing pedigree Boran & Sahiwal cattle in order to assess their potential as beef producing animals. Analyzes records on cows & their calves for reproductive characters such as age at first calving, calving interval & growth & m...

Enlace original: https://cgspace.cgiar.org/handle/10568/32978

Investigación en Agricultura
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Trail, J.C.M. ,  Gregory, K.E. ,  [Characterization of the Boran and Sahiwal breeds of cattle for economic characters] ,  Characterization of the Boran and Sahiwal breeds of cattle for economic characters
Journal Article 1984

Autor: Trail, J.C.M. Gregory, K.E. Durkin, J.W. Sandford, J.

Compares two series of breed groups of cows for maternal traits from a three-year study in Kenya to identify breed crosses that are superior to the Boran purebreds; considers age at first calving, calving interval, calf weight at weaning, cow weight at weaning, calf mortality to weaning and cow p...

Enlace original: https://cgspace.cgiar.org/handle/10568/29771

Investigación en Agricultura
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Trail, J.C.M. ,  Gregory, K.E. ,  Durkin, J.W. ,  Sandford, J. ,  [Crossbreeding cattle in beef production programmes in Kenya. II. Comparison of purebred Boran and Boran crossed with the Red Poll and Santa Gertrudis breeds] ,  Crossbreeding cattle in beef production programmes in Kenya. II. Comparison of purebred Boran and Boran crossed with the Red Poll and Santa Gertrudis breeds

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