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Journal Article 2004

Autor: Gojam, Y. Tegegne, Azage Gebrewold A. Bekele, T.

An experiment was conducted to determine the effects of feeding different calf starter rations, weaning age and their interactions on testicular growth and body weight of Borena Friesian (BF) crossbred bull calves at the age of 105 (closer to weaning) and 202 (nearly 6 months) days. Statistical a...

Enlace original: https://cgspace.cgiar.org/handle/10568/28524

Investigación en Agricultura
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Gojam, Y. ,  Tegegne, Azage ,  Gebrewold A. ,  Bekele, T. ,  [The effect of weaning age and feeding of different calf starter rations on testicular growth and body weight of Borena-Friesian crossbred bull calves] ,  The effect of weaning age and feeding of different calf starter rations on testicular growth and body weight of Borena-Friesian crossbred bull calves
Journal Article 1992

Autor: Tegegne, Azage Mukasa-Mugerwa, E. Entwistle, K.W.

Gondal and extragonadal sperm reserves were determined in testicular and epididymal tissues obtained from ten Small East African Zebu (SEAZ), ten unimproved Borana and nine improved Boran bulls. Bulls were mature and were between 6 and 8 years of age. Body weight and scrotal circumference differe...

Enlace original: https://cgspace.cgiar.org/handle/10568/28300

Investigación en Agricultura
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Tegegne, Azage ,  Mukasa-Mugerwa, E. ,  Entwistle, K.W. ,  [Genotype differences in gonadal and extragonadal sperm reserves in mature Zebu bulls in Ethiopia] ,  Genotype differences in gonadal and extragonadal sperm reserves in mature Zebu bulls in Ethiopia
Journal Article 1992

Autor: Tegegne, Azage Entwistle, K.W. Mukasa-Mugerwa, E.

A total of 64 bull calves, composed of 27 Boran and 37 Boran X Friesian, were weaned at 6 months of age and divided into supplement or control groups within breed. All bulls were kept in one paddock and grazed on natural pasture. Supplement groups received 1.5 kg per head day of a diet containing...

Enlace original: https://cgspace.cgiar.org/handle/10568/28299

Investigación en Agricultura
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Tegegne, Azage ,  Entwistle, K.W. ,  Mukasa-Mugerwa, E. ,  [Gonadal and extragonadal sperm reserves and testicular histometric characteristics in Zebu and crossbred bulls: Effect of dry season nutritional supplementation] ,  Gonadal and extragonadal sperm reserves and testicular histometric characteristics in Zebu and crossbred bulls: Effect of dry season nutritional supplementation
Journal Article 1983

Autor: Nwakalor, L.N. Orji, B.I.

Correlation between testicular size and sperm output were investigated in N'Dama and Holstein-Friesian bulls. Records collected over a period of four months from October 1978 to January 1979 from 4 Holstein-Friesian and 4 N'Dama bulls were analysed. The means (± s.e.) of testicular measurements f...

Enlace original: https://cgspace.cgiar.org/handle/10568/66683

Investigación en Agricultura
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Nwakalor, L.N. ,  Orji, B.I. ,  [Testicular size and sperm output in Holstein-Friesian and N'Dama bulls] ,  Testicular size and sperm output in Holstein-Friesian and N'Dama bulls
Conference Paper 1997

Autor: Tegegne, Azage Witru, G. Mukasa-Mugerwa, E. Kassa, T.

This paper presents the results of a comparative study conducted to characterize the oestrous phenonenon in Zebu and crossbred cattle and to determine oestrus detection using both androgenized cows and entire bulls. The study was conducted at ILRI Debre Zeit Research Station during the dry season...

Enlace original: https://cgspace.cgiar.org/handle/10568/50893

Investigación en Agricultura
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Tegegne, Azage ,  Witru, G. ,  Mukasa-Mugerwa, E. ,  Kassa, T. ,  [Oestrus phenomenon and oestrus detection efficiency using androgenized cows and entire bulls in Boran and Boran x Friesian crossbred cows] ,  Oestrus phenomenon and oestrus detection efficiency using androgenized cows and entire bulls in Boran and Boran x Friesian crossbred cows
Conference Paper 2002

Autor: Gojam, Y. Tegegne, Azage Gebre-Wold, A. Alemayehu, M. Yilma, Z.

Measurements on testis and linear body size, scrotal circumference (SC), testis diameter (TD) hearth girth (HG), height at wither (HTW) and body length (BDL) at the age of 1, 3, 6, 9, 12, 15, 18 and 21 months was taken. Thirteen Borana Friesian (BoXF) crossbred bull calves born at Holetta Agricul...

Enlace original: https://cgspace.cgiar.org/handle/10568/51126

Investigación en Agricultura
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Gojam, Y. ,  Tegegne, Azage ,  Gebre-Wold, A. ,  Alemayehu, M. ,  Yilma, Z. ,  [Testicular growth and its relationship with linear body measurements in Borana-Friesian crossbred bull calves at different ages] ,  Testicular growth and its relationship with linear body measurements in Borana-Friesian crossbred bull calves at different ages
Conference Paper 1993

Autor: Osafo, E.L.K. Owen, E. Said, A.N. Gill, E.M. McAllan, A.B.

Presents results of a study conducted to determine the intake and selectivity of sheep and cattle offered sorghum stover in varying quantities and form (either chopped or unchopped). Includes data on live-weight gain, stover offered, stover intake, sheath intake, stem intake and stover refusal of...

Enlace original: https://cgspace.cgiar.org/handle/10568/50549

Investigación en Agricultura
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Osafo, E.L.K. ,  Owen, E. ,  Said, A.N. ,  Gill, E.M. ,  McAllan, A.B. ,  [Feeding sorghum stover to Ethiopian sheep and cattle: Effect of chopping and amount offered on intake and selection] ,  Feeding sorghum stover to Ethiopian sheep and cattle: Effect of chopping and amount offered on intake and selection
Conference Paper 1988

Autor: Tekelye Bekele Kasali, O.B.

Presents and discusses the most important infertility problems in cattle, their causes and occurences in different African countries. These problems are anoestrum, abortion and endometritis in females and epididymitis in males. Abortion, endometritis and epididymitis are of infectious nature whil...

Enlace original: https://cgspace.cgiar.org/handle/10568/50721

Investigación en Agricultura
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Tekelye Bekele ,  Kasali, O.B. ,  [Infertility problems of cattle in Africa] ,  Infertility problems of cattle in Africa
Report 1972

Autor: Renard, P.

Existing status of Kouri rearing in Lake Chad basin was investigated. Data on breeding ability, animal disease, animal distribution, population and body measurements of oxen, bulls and cows included. Establishment of breeding centre and project financing scheme proposed.

Enlace original: https://cgspace.cgiar.org/handle/10568/70679

Investigación en Agricultura
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Renard, P. ,  [Avant projet pour la sauvegarde de la race bovine Kouri et l'extension de son elevage a l'ensemble du perimetre du lac Tchad] ,  Avant projet pour la sauvegarde de la race bovine Kouri et l'extension de son elevage a l'ensemble du perimetre du lac Tchad
Conference Paper 1977

Autor: Kasowanjete, M.B.B.

The Malawi Zebu beef bull performance testing scheme was evaluation in relation to growth rate and food conversion ration within 120 days. Descriptions and data on validity of the testing scheme and desirability of traits; correlation between the two and heritability of each; need for corrections...

Enlace original: https://cgspace.cgiar.org/handle/10568/70704

Investigación en Agricultura
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Kasowanjete, M.B.B. ,  [An evaluation of (Malawi Zebu) beef bull performance testing at Chitedze central testing station] ,  An evaluation of (Malawi Zebu) beef bull performance testing at Chitedze central testing station

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