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Journal Article 1966

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

Production characteristics, covering ewe breeding data; growth of lambs and use of correction factors for parity of dam, sex and type of birth of lamb; ewe milk production as measured by early lamb growth; effects of dry season on lamb weights and ewe milk production; repeatabilities and phenotyp...

Enlace original: https://cgspace.cgiar.org/handle/10568/66817

Investigación en Agricultura
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Sacker, G.D. ,  Trail, J.C.M. ,  [Production characteristics of a flock of East African Blackhead sheep] ,  Production characteristics of a flock of East African Blackhead sheep
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 1971

Autor: Trail, J.C.M. Sacker, G.D. Fisher, I.L.

Three dam breeds, the indigenous Ankole and zebu, and the Boran from Kenya were mated to Boran Angus and Red Poll sires to investigate the relationship between dam body weight and progeny performance. Under artificial insemination, at least 10% fewer cows were detected on heat than under natural ...

Enlace original: https://cgspace.cgiar.org/handle/10568/66845

Investigación en Agricultura
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Trail, J.C.M. ,  Sacker, G.D. ,  Fisher, I.L. ,  [Crossbreeding beef cattle in western Uganda. 1. Performance of Ankole, Boran and zebu cows] ,  Crossbreeding beef cattle in western Uganda. 1. Performance of Ankole, Boran and zebu cows
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 1966

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

Production characteristics covering female breeding data; growth of kids and use of correction factors for parity of dam, sex and type of bith of kid; dam milk production as measured by early kid growth; repeatabilities and phenotypic correlations between kid weights; and kid mortality, were exam...

Enlace original: https://cgspace.cgiar.org/handle/10568/66912

Investigación en Agricultura
Enlace permanente
Sacker, G.D. ,  Trail, J.C.M. ,  [Production characteristics of a herd of East African Mubende goats] ,  Production characteristics of a herd of East African Mubende goats

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