This study examined estrus response, estrus response interval and pregnancy rate of Bos indicus and B. indicus x B. taurus crossbred cows and heifers after oestrus synchronization. A total of 101 non-pregnant and cycling animals, composed of 63 Boran (46 heifers and 17 cows) and 38 Boran-Simmenta...
Sisay, A.
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Ebro, A.
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Tegegne, Azage
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[Fertility of Bos indicus and B. indicus x B. taurus crossbred cows and heifers after oestrus synchronization in the Rift Valley of Ethiopia]
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Fertility of Bos indicus and B. indicus x B. taurus crossbred cows and heifers after oestrus synchronization in the Rift Valley of Ethiopia
This study was carried out to assess feed resources and nutritional management of dairy cows in market oriented urban and peri-urban dairy production systems in and around Addis Ababa between September-November, 1998. Three sub dairy production systems, i.e. intra-urban, large peri urban and urba...
Mekasha, Yoseph
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Tegegne, Azage
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Yami, A.
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Umunna, N.N.
,
[Feed resources and nutritional management of dairy herds in urban and peri-urban dairy production systems in Ethiopia]
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Feed resources and nutritional management of dairy herds in urban and peri-urban dairy production systems in Ethiopia
A total of 179 heifers, primiparous and multiparous Boran cows were assigned to four breeding units and mated over a 4 - month breeidng season in a single-sire mating system. Mean body weight and body condition scores at the beginning of mating ranged from 363 + 6 kg to 388 + 7 kg and from 6.7 + ...
Tegegne, Azage
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Entwistle, K.W.
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Mukasa-Mugerwa, E.
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[Factors affecting the reproductive performance of Boran (Bos indicus) cows in a single-sire mating system]
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Factors affecting the reproductive performance of Boran (Bos indicus) cows in a single-sire mating system
This study examines superovulatory response, embryo recovery rates, embryo quality, return to natural estrus, and patterns of progesterone secretion and its relationship with superovulatory response and embryo quality in Boran cows after treatment with either a human menopausal gonadotropin (Perg...
Tegegne, Azage
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Franceschini, R.
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Sovani, S.
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[Superovulatory response, embryo recovery and progesterone secretion in Boran (Bos indicus) cows after treatment with either Pergovet or Pluset]
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Superovulatory response, embryo recovery and progesterone secretion in Boran (Bos indicus) cows after treatment with either Pergovet or Pluset
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, Azage
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Geleto, A.
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Osuji, P.O.
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Kassa, T.
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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]
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Influence of dietary supplementation and partial suckling on body weight and on lactation and reproductive performance of primiparous Boran (Bos indicus) cows in Ethiopia
Persistency of lactation in indigenous and crossbred cows was studied using milk data collected at Bako Agricultural Research Centre. Persistency was measured using three methods vis a vis as the ratios of milk yield during the second (P2:1) and third (P3:1) 100 days of lactation to milk yield du...
Gebreyohanes, G.
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Tegegne, Azage
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Diedhiou, M.L.
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Hegde, B.P.
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[Persistency of lactation and comparison of different persistency measures in indigenous and crossbred cows at Bako, Ethiopia]
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Persistency of lactation and comparison of different persistency measures in indigenous and crossbred cows at Bako, Ethiopia
Kassa, T.
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Tegegne, Azage
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[Major reproductive problems of zebu and Friesian x Zebu crossbred cows under small-scale dairy farms]
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Major reproductive problems of zebu and Friesian x Zebu crossbred cows under small-scale dairy farms
Mpairwe, D.R.
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Sabiiti, E.N.
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Umunna, N.N.
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Tegegne, Azage
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Osuji, P.O.
,
[The 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 forages from maize-lablab or oats-vetch intercropping systems.]
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The 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 forages from maize-lablab or oats-vetch intercropping systems.
Mekasha, Yoseph
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Tegegne, Azage
,
Yami, A.
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Umunna, N.N.
,
[Characterization of postpartum reproductive activities using milk progesterone profiles in dairy cows in urban and peri-urban dairy production systems]
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Characterization of postpartum reproductive activities using milk progesterone profiles in dairy cows in urban and peri-urban dairy production systems
Variations in availability and nutritional quality of feed resources in the tropics affect cattle production under smallholder production systems. This results in undernutrition of cattle because of fluctuations in feed and nutrient supply. The term undernutrition is very complex and not clearly ...
Osuji, P.O.
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Saarisalo, E.M.
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Tegegne, Azage
,
Umunna, N.N.
,
[Undernutrition of dairy cattle in smallholder production systems in East Africa]
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Undernutrition of dairy cattle in smallholder production systems in East Africa