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Conference Paper 1988

Autor: Maehl, J.H.H. Coulibaly, L. Defly, A. D'Ieteren, G.D.M. Feron, A. Grundler, G. Hecker, P. Itty, P. Mawuena, K. Morkramer, G. Mulungo, M. Nagda, S.M. Paling, R.W. Pelo, M. Rarieya, J.M. Schuetterle, A. Sheria, M. Thorpe, W.R. Trail, J.C.M.

Discusses factors influencing liveweight in a range of trypanotolerance network situations. Analyses liveweight traits, viz, dam liveweights at parturition and weaning, dam liveweight change between parturition and weaning, progeny liveweights at birth and weaning and progeny pre-weaning daily gain.

Enlace original: https://cgspace.cgiar.org/handle/10568/50056

Investigación en Agricultura
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Maehl, J.H.H. ,  Coulibaly, L. ,  Defly, A. ,  D'Ieteren, G.D.M. ,  Feron, A. ,  Grundler, G. ,  Hecker, P. ,  Itty, P. ,  Mawuena, K. ,  Morkramer, G. ,  Mulungo, M. ,  Nagda, S.M. ,  Paling, R.W. ,  Pelo, M. ,  Rarieya, J.M. ,  Schuetterle, A. ,  Sheria, M. ,  Thorpe, W.R. ,  Trail, J.C.M. ,  [Factors influencing liveweight in a range of network situations] ,  Factors influencing liveweight in a range of network situations
Journal Article 1966

Autor: Trail, J.C.M. Sacker, G.D.

The effects of birth weight, sex, twinning, parity of dam and dry season on mortality rates of lambs were studied between births and weaning at 20 weeks in a flock of East African Blackhead sheep. The mean birth weight of non-surviving lambs was lower than those of surviving lambs. Singles from g...

Enlace original: https://cgspace.cgiar.org/handle/10568/66787

Investigación en Agricultura
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Trail, J.C.M. ,  Sacker, G.D. ,  [Lamb mortality in a flock of East African Blackheaded sheep] ,  Lamb mortality in a flock of East African Blackheaded sheep
Journal Article 1966

Autor: Trail, J.C.M. Sacker, G.D.

The effects of age of ewe, and year, sex, and year, sex and type of birth of lambs on lamb weights between birth and weaning were measured and appropriate correction factors estimated in a flock of east African Blackhead sheep maintained over an 11-year period in Western Uganda. These correction ...

Enlace original: https://cgspace.cgiar.org/handle/10568/66840

Investigación en Agricultura
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Trail, J.C.M. ,  Sacker, G.D. ,  [Factors affecting production records of lambs from a flock of East African Blackhead sheep] ,  Factors affecting production records of lambs from a flock of East African Blackhead sheep
Journal Article 1966

Autor: Trail, J.C.M. Sacker, G.D.

Dorset Horn rams were used on East African Blackhead sheep in western Uganda in mutton production through improved lamb growth. The crossbred lambs were significantly heavier than the indigenous at birth. From birth to weaning at five months, the growth rates of both types were identical, being 0...

Enlace original: https://cgspace.cgiar.org/handle/10568/66830

Investigación en Agricultura
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Trail, J.C.M. ,  Sacker, G.D. ,  [Production records of lambs from East African Blackhead ewes and Dorset Horn rams] ,  Production records of lambs from East African Blackhead ewes and Dorset Horn rams
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
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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
Journal Article 1977

Autor: Trail, J.C.M. Buck, N.G. Light, D.E. Rennie, T.W. Rutherford, A.S. Miller, M. Pratchett, D. Capper, B.

Evaluation of reproductive performance, viability and growth of Afrikander, Tswana, Tuli and crossbred beef cattle in Botswana; data on calving percentage, calf mortality, weaning & birth weights, w. comparison of crossbreeding performance of Tuli, Bonsmara cattle, Brahman cattle & Simmental catt...

Enlace original: https://cgspace.cgiar.org/handle/10568/28257

Investigación en Agricultura
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Trail, J.C.M. ,  Buck, N.G. ,  Light, D.E. ,  Rennie, T.W. ,  Rutherford, A.S. ,  Miller, M. ,  Pratchett, D. ,  Capper, B. ,  [Productivity of Africander, Tswana, Tuli and crossbred beef cattle in Botswana] ,  Productivity of Africander, Tswana, Tuli and crossbred beef cattle in Botswana
Journal Article 1982

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

Presents comparative data on reproductive and productive performances of cows of pure Ayrshire and Sahiwal breeds or their reciprocal crosses and their progeny w. Ayrshire, Sahiwal, Simmental and mixed breed bulls in the lower to mid-potential temperate highland zone of Kenya; with particular ref...

Enlace original: https://cgspace.cgiar.org/handle/10568/29734

Investigación en Agricultura
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Trail, J.C.M. ,  Gregory, K.E. ,  [Production characters of the Sahiwal and Ayrshire breeds and their crosses in Kenya] ,  Production characters of the Sahiwal and Ayrshire breeds and their crosses in Kenya
Conference Paper 1988

Autor: Mulungo, M. D'Ieteren, G.D.M. Feron, A. Itty, P. Maehl, H.M. Nagda, S.M. Paling, R.W. Rarieya, J.M. Thorpe, W.R. Trail, J.C.M.

Reports the prevalence, species and intensity of trypanosome infections over a 3 year period for N'Dama cattle managed on Mushie Ranch, Zaire. Presents the effects of the trypanosome infections on blood packed cell volume reproductive performance and liveweights.

Enlace original: https://cgspace.cgiar.org/handle/10568/51273

Investigación en Agricultura
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Mulungo, M. ,  D'Ieteren, G.D.M. ,  Feron, A. ,  Itty, P. ,  Maehl, H.M. ,  Nagda, S.M. ,  Paling, R.W. ,  Rarieya, J.M. ,  Thorpe, W.R. ,  Trail, J.C.M. ,  [Trypanosomiasis in N'Dama cattle in Zaire and its effects on their health and production] ,  Trypanosomiasis in N'Dama cattle in Zaire and its effects on their health and production

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