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Journal Article 1992

Autor: Tegegne, Azage Taddele, Y. Kassa, T.

Gonadal and extragonadal sperm reserves were determined in testicular and epididymal tissues obtained from 14 small highland Abyssinian Zebu (SHAZ) and from 15 Borana bulls slaughtered at the Debre Zeit abattoir. Bulls were mature and over six years of age. Body weight and scrotal circumference w...

Enlace original: https://cgspace.cgiar.org/handle/10568/29727

Investigación en Agricultura
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Tegegne, Azage ,  Taddele, Y. ,  Kassa, T. ,  [Gonadal and extragonadal sperm reserves in two breeds of mature Zebu (Bos indicus) bulls in Ethiopia] ,  Gonadal and extragonadal sperm reserves in two breeds of mature Zebu (Bos indicus) bulls in Ethiopia
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
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
Journal Article 1992

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

Outlines results of a study carried out in Ethiopia, to determine the effect of dry season supplementation on bull's growth and fertility, hence 27 Boran and 37 Boran X Friesian crossbred bulls were weaned at 6 months of age and were randomly assigned to either a dry season supplementary feed con...

Enlace original: https://cgspace.cgiar.org/handle/10568/29651

Investigación en Agricultura
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Tegegne, Azage ,  Entwistle, K.W. ,  Mukasa-Mugerwa, E. ,  [Nutritional influences on growth and onset of puberty in Boran and Boran X Friesian bulls in Ethiopia] ,  Nutritional influences on growth and onset of puberty in Boran and Boran X Friesian bulls in Ethiopia
Journal Article 1992

Autor: Tegegne, Azage Dembarga, Y. Kassa, T.

Gondal and extragonadal sperm reserves were determined in testicular and epididymis tissues obtained from Boran and Boran X Friesian bulls fed either a high or low plane of nutrition diet for a one-year period. The bulls were 32 months of age at castration. Mean body weights did not differ betwee...

Enlace original: https://cgspace.cgiar.org/handle/10568/29664

Investigación en Agricultura
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Tegegne, Azage ,  Dembarga, Y. ,  Kassa, T. ,  [Gonadal and extragonadal sperm reserves in Boran and Boran X Friesian bulls raised on two planes of nutrition in the highlands of Ethiopia] ,  Gonadal and extragonadal sperm reserves in Boran and Boran X Friesian bulls raised on two planes of nutrition in the highlands of Ethiopia
Journal Article 1991

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

Reports the results of a study carried out to determine the pattern of testicular and epididymal development in 42 Boran and 49 Boran X Friesian bulls aged between 6 and 23 months, by using quantitative histological techniques.

Enlace original: https://cgspace.cgiar.org/handle/10568/29662

Investigación en Agricultura
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Tegegne, Azage ,  Entwistle, K.W. ,  Mukasa-Mugerwa, E. ,  [A quantitative histological study of testicular and epididymal development in Boran and Boran X Friesian bulls in Ethiopia] ,  A quantitative histological study of testicular and epididymal development in Boran and Boran X Friesian bulls in Ethiopia

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