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]
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Clinically manifested major health problems of crossbred dairy herds in Urban and Periurban production systems in the central highlands of Ethiopia
An exploratory survey was undertaken to describe and quantify the magnitude of lameness in 964 dairy cattle between October and December 1999 under urban (Addis Ababa), peri-urban (Sebeta and Kaliti), and urban farms in a secondary town (Debre Zeit). Based on herd sizes, these farms were classifi...
Lobago, F.
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Lemma, A.
,
Tegegne, Azage
,
Tibbo, Markos
,
[Lameness as a disease of intensification in dairy cattle under urban and peri-urban production system in the Addis Ababa milk shed]
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Lameness as a disease of intensification in dairy cattle under urban and peri-urban production system in the Addis Ababa milk shed
A cross-sectional study of bovine brucellosis was carried out from May to October 1997 on 42 dairy farms located in Addis Ababa, Sebeta, Kaliti and Debre Zeit, Ethiopia. An overall herd infection rate of 33.3 percent was established. With respect to the production systems, 100 percent, 30 percent...
Asfaw, Y.
,
Molla, B.
,
Zessin, K.H.
,
Tegegne, Azage
,
[A cross-sectional study of bovine brucellosis and test performance in intra-and peri-urban production systems in and around Addis Ababa, Ethiopia]
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A cross-sectional study of bovine brucellosis and test performance in intra-and peri-urban production systems in and around Addis Ababa, 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]
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Survey of mastitis in dairy herds in the Ethiopian central highlands
Urban and peri-urban dairy production systems are among the many forms of dairy production systems in the tropics and sub-tropics. The systems involve the production, processing and marketing of milk and milk products that are channelled to consumers in urban centres (Rey et al., 1993; Staal and ...
Tegegne, Azage
,
Tadesse, M.
,
Yami, A.
,
Mekasha, Yoseph
,
[Market-oriented urban and peri-urban dairy systems]
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Market-oriented urban and peri-urban dairy systems
Postpartum ovarian activity was investigated in dairy cows in urban/peri urban dairy production systems in and around Addis Ababa using milk progesterone profiles. Nineteen crossbred (Friesian x Zebu) dairy cows which calved between March and June 1998 were used for the study. Milk samples were c...
Mekasha, Yoseph
,
Tegegne, Azage
,
Yami, A.
,
Umunna, N.N.
,
[Characterisation of postpartum ovarian activities using milk progesterone profiles in dairy cows in urban/peri-urban dairy production systems]
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Characterisation of postpartum ovarian activities using milk progesterone profiles in dairy cows in urban/peri-urban dairy production systems
Prospective longitudinal study of major diseases of dairy cattle in Addis Ababa milk shed was conducted for a period of two years. A total of 33 dairy herds with an average of 906 animals were sampled and represented the intra-urban (IU), intra-urban in secondary towns(IUST) and the peri urban (P...
Lema, M.
,
Kassa, T.
,
Tegegne, Azage
,
[Major health problems of dairy cattle in market-oriented urban and peri-urban production systems in the central highlands of Ethiopia]
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Major health problems of dairy cattle in market-oriented urban and peri-urban production systems in the central highlands of Ethiopia
Milk yield, milk composition and body weight change of crossbred dairy cows (Holstein Friesian X Zebu) were studied in the urban and peri-urban dairy production systems in the Addis Ababa milk shed between December 1997 and November 1998. Ninety-seven cows, with parities above two and at the begi...
Mekasha, Yoseph
,
Tegegne, Azage
,
Yami, A.
,
Umunna, N.N.
,
[Milk production, milk composition and body weight change of crossbred dairy cows in urban and peri-urban dairy production systems in Ethiopia]
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Milk production, milk composition and body weight change of crossbred dairy cows in urban and peri-urban dairy production systems in Ethiopia
In Ethiopia, the agricultural sector is a cornerstone of the economic and social life. The sector employs 80-85 per cent of the population and contributes 40 per cent to total GDP. Smallholder farmers dominate the agricultural sector. The highlands hold about 95 per cent of the cropped area and s...
Sileshi, Z.
,
Tsegahun, A.
,
Yami, A.
,
Tegegne, Azage
,
[Status of livestock research and Development in the highlands of Ethiopia]
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Status of livestock research and Development in the highlands of Ethiopia
A diagnostic survey of the general livestock production system was conducted in three associations of the Awassa Woreda from June 1997 up to May. 1998. Purposive and random sampling techniques were used in the selection of the 3 peasant associations and 30 farmers per peasant associations, in res...
Alemayehu, Y.
,
Tegegne, Azage
,
Kurtu, M.Y.
,
[The livestock production systems in three peasant associations of the Awassa Woreda]
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The livestock production systems in three peasant associations of the Awassa Woreda