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Journal Article 1984

Trypanotolerant livestock: Potential and future exploitation

Autor: Murray, M. Trail, J.C.M. Grootenhuis, J.G.

Enlace original: https://cgspace.cgiar.org/handle/10568/4762

Investigación en Agricultura

CATTLE

LIVESTOCK

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Murray, M. , Trail, J.C.M. , Grootenhuis, J.G. , [Trypanotolerant livestock: Potential and future exploitation] , Trypanotolerant livestock: Potential and future exploitation

Journal Article 1966

Production characteristics of a flock of East African Blackhead sheep

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

SHEEP

ANIMAL PERFORMANCE

EWES

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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

Lamb mortality in a flock of East African Blackheaded sheep

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

SHEEP

MORTALITY

BIRTH WEIGHT

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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

Factors affecting production records of lambs from a flock of East African Blackhead sheep

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

SHEEP

ANIMAL PRODUCTION

LAMBS

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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

Crossbreeding beef cattle in western Uganda. 1. Performance of Ankole, Boran and zebu cows

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

CATTLE

BREEDS

CROSSBREEDING

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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

Production records of lambs from East African Blackhead ewes and Dorset Horn rams

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

SHEEP

BREEDS

EWES

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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 1989

Uptake of a microcomputer database package to assist livestock management decisions in Africa

Autor: Wissocq, N.M. Durkin, J.W. Trail, J.C.M. Gettinby, G. Bell, R.J. Berhane, H. Light, D.E.

Provides a brief history of the developmet of IDEAS (the ILCA Data entry and Analysis system) and presents findings from a questionnaire recently used to users to assess the uptake of IDEAS in African Production systems during the first years of its release.

Enlace original: https://cgspace.cgiar.org/handle/10568/28434

Investigación en Agricultura

LIVESTOCK MANAGEMENT

DATA BASE

DECISION MAKING

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Wissocq, N.M. , Durkin, J.W. , Trail, J.C.M. , Gettinby, G. , Bell, R.J. , Berhane, H. , Light, D.E. , [Uptake of a microcomputer database package to assist livestock management decisions in Africa] , Uptake of a microcomputer database package to assist livestock management decisions in Africa

Journal Article 1995

Quantification of the relative importance of trypanotolerance measurements on productivity of N'Dama cattle (Addendum)

Autor: Wissocq, N.M. D'Ieteren, G.D.M. Trail, J.C.M. Kakiese, O.

Matching information on animal health and performance aspects was collected from 255 N'dama post-weaners from September 1986 to December 1991. Records covered for each animal a two years period from weaning at 10 months of age until 34 months of age. Curative trypanocidal drug treatment was given...

Enlace original: https://cgspace.cgiar.org/handle/10568/29313

Investigación en Agricultura

NDAMA CATTLE

TRYPANOTOLERANCE

PRODUCTIVITY

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Wissocq, N.M. , D'Ieteren, G.D.M. , Trail, J.C.M. , Kakiese, O. , [Quantification of the relative importance of trypanotolerance measurements on productivity of N'Dama cattle (Addendum)] , Quantification of the relative importance of trypanotolerance measurements on productivity of N'Dama cattle (Addendum)

Journal Article 1984

Genetic resistance to animal trypanosomiasis in Africa

Autor: Murray, M. Trail, J.C.M.

Examines the genetic basis of trypanotolerance with particular reference to Africa, environmental factors which can influence its stability like age, stress (work, pregnancy etc.), nutrition and disease, and the possible mechanisms responsible; looks at the tyrpanotolerance of different breeds.

Enlace original: https://cgspace.cgiar.org/handle/10568/29532

Investigación en Agricultura

TRYPANOSOMIASIS

TRYPANOTOLERANCE

CATTLE BREEDS

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Murray, M. , Trail, J.C.M. , [Genetic resistance to animal trypanosomiasis in Africa] , Genetic resistance to animal trypanosomiasis in Africa

Journal Article 1977

Botswana: Performance testing of beef cattle

Autor: Trail, J.C.M. Rennie, T.W.

Describes the system of performance testing operating in Botswana & its value for the genetic improvement of beef cattle, examining dif. aspects of data collection, handling, analysis & use within a computerized system, & recording traits such as reproductive performance, growth, viability & moth...

Enlace original: https://cgspace.cgiar.org/handle/10568/28619

Investigación en Agricultura

PERFORMANCE TESTING

DATA COLLECTION

DATA RECORDING

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Trail, J.C.M. , Rennie, T.W. , [Botswana: Performance testing of beef cattle] , Botswana: Performance testing of beef cattle

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