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In the years 1987-1988, twenty Mpwapwa in-calf heifers and six bulls were sold to individual farmers of Berege willage in Mpwapwa district, Dodoma region. After calving, most cows produced on average about four liters of milk per day of lactation, beside the milk suckled by the calf. This product...
Seasonal breeding is potentially a powerful intervention affecting productivily, particularly so in semi-arid environments where seasonal differences are great; however, variability is also great, increasing the risk for such interventions. Simulation was used to examine the effects of 5 breeding...
Records on liveweight, growth and reproductive performance of Blended (BLD), Blended x Galla (BG) and Kamorai x indigenous (KI) goats for a period of over 10 years (1970-1980) in Malya, Tanzania were analysed. For BLD, BG and KI goat kids, birth weight and live weight averages were determined. Se...
After a preliminary common lambing, Horro ewes were mated either twice at 12-month intervals or three times at 8-month intervals over a period of two years. There were no significant differences between the two mating systems in their productivity at each lambing. However, ewes in the 8-monthly s...
Methods for biodiversity conservation are reported and applied to 49 African cattle breeds (26 taurine/sanga and 23 zebu/zenga (ZZ) breeds). It was estimated that about half of the breeds and half of today’s genetic diversity between breeds would be lost within 50 years. Based on a survey and a l...
This overview aims at browsing the scene of action for research on the resistance of small ruminant to endoparasites in sub-Saharan Africa. After recalling the main sheep and goat breeds, it describes the geographic distribution of these populations in the continent, mentions the farming systems ...
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