Reports the productivity levels achieved by grade Boran cattle maintained by chemoprophylaxis at Mkwaja ranch (Tanzania) from 1973 to 1982. Analyses the effects of year and season of calving on birth, cow age, calf sex and area & location of herd on performance of the environmental influences. Ev...
Tawonezvi, H.P.R.
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Ward, H.K.
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Trail, J.C.M.
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Light, D.E.
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[Evaluation of beef breeds for rangeland weaner production in Zimbabwe. 1. Productivity of purebred cows]
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Evaluation of beef breeds for rangeland weaner production in Zimbabwe. 1. Productivity of purebred cows
Reproductive performance, mortality, growth, and culling and replacement rates based on 20000 calving records were evaluated for grade Boran beef cattle maintained with trypanosomiasis risk in Tanzania. Under ranching conditions, over a 10-year period in this area of high Glossina moistens morsi...