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Kassa, T.Wirtu, G.Tegegne, Azage[Reproductive performance of crossbred dairy cattle under smallholder management conditions]Reproductive performance of crossbred dairy cattle under smallholder management conditions
Afework, Y.Tegegne, AzageKassa, T.[Evaluation of the reproductive performance of crossbred dairy cows at the Asella livestock research station, Arsi, Ethiopia]Evaluation of the reproductive performance of crossbred dairy cows at the Asella livestock research station, Arsi, Ethiopia

The major clinical diseases of crossbred dairy herds were investigated for two years in a milk shed in Addis Ababa. Animals in 38 herds were randomly selected and visited weekly. Diagnosis of diseases and causes of death were based on clinical observation. Disease conditions were categorized into...


Lema, M.Kassa, T.Tegegne, Azage[Clinically manifested major health problems of crossbred dairy herds in Urban and Periurban production systems in the central highlands of Ethiopia]Clinically manifested major health problems of crossbred dairy herds in Urban and Periurban production systems in the central highlands of Ethiopia

Prevalence of mastitis amongst dairy herds (n=725) and cows (n=2681) of Addis Ababa milk shed was investigated. California Mastitis Test (CMT) was conducted on milk samples from individual quarters. Of 10,908 quarters examined, prevalence of clinical mastitis (SCM), nonfunctional or blocked quart...


Kassa, T.Wirtu, G.Tegegne, Azage[Survey of mastitis in dairy herds in the Ethiopian central highlands]Survey of mastitis in dairy herds in the Ethiopian central highlands

Ten Boran and 12 Boran X Friesian bulls with a mean (+standard error of the mean) age and body weight of 20.2+0.5 months and 225.5+2.5 kg were used over a 1 year period to determine the effect of plane of nutrition and season on body and testicular growth and on semen traits. Within genotype, bul...


Tegegne, AzageDembarga, Y.Kassa, T.Franceschini, R.[Effect of plane of nutrition and season on body and testicular growth and on semen characteristics in Boran and Boran X Friesian bulls in Ethiopia]Effect of plane of nutrition and season on body and testicular growth and on semen characteristics in Boran and Boran X Friesian bulls in Ethiopia

Data on reproductive performance of Zebu and Friesian X Zebu crossbred cows reared under small-scale dairy farms were analysed and the effects of genotype, parity, body condition score (BCS), season, and year of calving were examined for a total of 246 calvings. Uterine involution was completed e...


Kassa, T.Tegegne, Azage[Factors affecting reproductive performance of Zebu and crossbred cows under small-scale dairy farms]Factors affecting reproductive performance of Zebu and crossbred cows under small-scale dairy farms
Kassa, T.Tegegne, Azage[Major reproductive problems of zebu and Friesian x Zebu crossbred cows under small-scale dairy farms]Major reproductive problems of zebu and Friesian x Zebu crossbred cows under small-scale dairy farms

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...


Tegegne, AzageDembarga, 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

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