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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
Zerbini, E.Gemeda, T.Tegegne, AzageGebrewold, A.Franceschini, R.[The effects of work and nutritional supplementation on postpartum reproductive activities and progesterone secretion in F1 crossbred dairy cows in Ethiopia]The effects of work and nutritional supplementation on postpartum reproductive activities and progesterone secretion in F1 crossbred dairy cows 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

In an experiment lasting from 1.5 years before, first calving until third parturition, 24 purebred indigenous Bos indicus (Boran) cows and 24 Boran crosses will; Holstein (proportionately 0.50 and 0 75 Holstein blood level) were given a diet composed of Bermuda grass hay and wheat bran (0 65: 0 3...


Jenet, A.Yimegnuhal, A.Fernández Rivera, S.Tegegne, AzageOsuji, P.O.McCrabb, G.J.Kreuzer, M.[Long-term response to feeding level in lactational performance of Boran (Bos indicus) and Boran X Holstein cows]Long-term response to feeding level in lactational performance of Boran (Bos indicus) and Boran X Holstein cows
Zerbini, E.Gemeda, T.Tegegne, AzageGebre-Wold, A.Franceschini, R.[Effects of work and diet on progesterone secretion, short luteal phases and ovulations without estrus in postpartum F1 crossbred dairy cows]Effects of work and diet on progesterone secretion, short luteal phases and ovulations without estrus in postpartum F1 crossbred dairy cows

This study tested the hypothesis that purebred Boran (Bos indicus) cows and crossbreds of Boran and Holstein respond differently to long-term changes of feeding level in nutrient partitioning to milk and body fat stores. A total of 27 cows of these two genotypes were subjected either to a low or ...


Jenet, A.Fernández Rivera, S.Tegegne, AzageWettstein, H.R.Senn, M.Saurer, M.Langhans, W.Kreuzer, M.[Evidence for different nutrient partitioning in Boran (Bos indicus) and Boran x Holstein cows when re-allocated from low to high or from high to low feeding level]Evidence for different nutrient partitioning in Boran (Bos indicus) and Boran x Holstein cows when re-allocated from low to high or from high to low feeding level

This study examined the effects of lablab hay and graded levels of wheat bran supplementation on feed intake, feed degradation characteristics, apparent digestibility, milk yield and milk composition of crossbred cows fed forages from cereal crops+legume intercropping (maize/lablab (ML) stover or...


Mpairwe, D.R.Sabiiti, E.N.Umunna, N.N.Tegegne, AzageOsuji, P.O.[Integration of forage legumes with cereal crops. II. Effect of supplementation with lablab hay and incremental levels of wheat bran on voluntary food intake, digestibility, milk yield and milk composition of crossbred cows fed maize-lablab stover or oats-vetch hay ad libitum]Integration of forage legumes with cereal crops. II. Effect of supplementation with lablab hay and incremental levels of wheat bran on voluntary food intake, digestibility, milk yield and milk composition of crossbred cows fed maize-lablab stover or oats-vetch hay ad libitum

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

The study was conducted to estimate model parameters of Incomplete Gamma (IG) (b=1) and Inverse Polynomial ¢P) functions of a lactation curve and the models lactation yield prediction potential based on milk data from Bako Agricultural Research centre and Debre Zeit Research Station. The models w...


Gebreyohannes, G.Tegegne, AzageDiedhiou, M.L.Hegde, B.P.[Estimated model parameters of incomplete gamma and inverse polynomial functions and comparison of the models lactation yield prediction potential in Zebu and crossbred cattle]Estimated model parameters of incomplete gamma and inverse polynomial functions and comparison of the models lactation yield prediction potential in Zebu and crossbred cattle

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

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