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The evolution of Colombia`s agricultural sector is analyzed for 1970-1997 regarding three issues: (1) analysis of the sector`s historical development, with special emphasis on the 90s; (2) estimate of production indexes, inputs, and multifactorial productivity; and (3) adjustment of econometric m...
83 Zebu bulls calves were tested in the performance test unit at Chitedze in 1970. Mean gain per day on test was 1.90lb per day with mean efficiency of 3.42 lb T.D.N. per lb of gain. Vitamin A and D supplementation of the test ration was increased after 24 animals showed symptoms sraced apparente...
An account is given of the Development of dairy farming, milk production and stocking rate of cattle in Kenya, Gambia, Nigeria, Zimbabwe, Tanzania and Guinea-Bissau and the relevance of the African experience for sustainable small-scale agriculture in other tropical countries.
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