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Kassa, T.Tegegne, AzageShenkoru, T.[Factors affecting postpartum reproductive performance of cows under smallholder management in Ethiopia]Factors affecting postpartum reproductive performance of cows under smallholder management in Ethiopia
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
Kassa, T.Tegegne, Azage[Reproductive performance of indigenous zebu and Friesian x Zebu crossbred cows under smallholder management conditions in Ethiopia]Reproductive performance of indigenous zebu and Friesian x Zebu crossbred cows under smallholder management conditions in 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

The incidence of short luteal phases and ovulations without oestrus was investigated in 42 primiparous Borana cows. Based on calving body weight, cows were allocated to either a control group with grass hay only or to a supplement group with a concentrate ration. Within nutritional groups, cows w...


Tegegne, AzageGeleto, A.Kassa, T.[Short luteal phases and ovulations without oestrus in primiparous Borana (Bos indicus) cows in the central highlands of Ethiopia]Short luteal phases and ovulations without oestrus in primiparous Borana (Bos indicus) cows in the central highlands of 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

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...


Tegegne, AzageWitru, 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

This study was conducted in the central highlands of Ethiopia during 1990-92 to examine the effects of diet and partial suckling on lactation and reproductive performance of Boran (Bos indicus) cows. Primiparous Boran cows were allocated to dietary supplementation or no supplementation with eithe...


Tegegne, AzageGeleto, A.Osuji, P.O.Kassa, T.Franceschini, R.[Influence of dietary supplementation and partial suckling on body weight and on lactation and reproductive performance of primiparous Boran (Bos indicus) cows in Ethiopia]Influence of dietary supplementation and partial suckling on body weight and on lactation and reproductive performance of primiparous Boran (Bos indicus) cows in Ethiopia
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

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