Two groups of light N'Dama calves were fed different quantities of milk from birth to 10 months of age to compare efficiencies fo converting milk to live-weight gain, and to assess the economic efficiencies of the two feeding regimes. Group one receives an average of 347 kg per calf, with a daily...
Agyemang, K.
,
Clifford, K.
,
Little, D.A.
,
[An assessment of the biological and economic efficiency in conversion of milk to growth in N'Dama calves]
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An assessment of the biological and economic efficiency in conversion of milk to growth in N'Dama calves
Examines the productivity characteristics of village N'Dama cattle exposed to different levels of trypanosomiasis challenge in The Gambia over a 3-year period. 60 lactating cows in which Trypanosoma congolense and T. vivax had been detected on blood examination were compared with 50 cows which ha...
Agyemang, K.
,
Dwinger, R.H.
,
Jeannin, P.
,
Leperre, P.
,
Grieve, A.S.
,
Bah, M.L.
,
Little, D.A.
,
[Biological and economic impact of trypanosome infections on milk production in N'Dama cattle managed under village conditions in The Gambia]
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Biological and economic impact of trypanosome infections on milk production in N'Dama cattle managed under village conditions in The Gambia
Reports an experiment in which small quantities of groundnut cake were fed during the dry season to lactating N'Dama cows maintained under village husbandry conditions in The Gambia, resulting in significant increases in quantities of milk offtake and in rates of growth of the suckling calves, an...
Little, D.A.
,
Riley, J.A.
,
Agyemang, K.
,
Jeannin, P.
,
Grieve, A.S.
,
Badjie, B.
,
Dwinger, R.H.
,
[Effect of groundnut cake supplementation during the dry season on productivity characteristics of N'Dama cows under village husbandry conditions in The Gambia]
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Effect of groundnut cake supplementation during the dry season on productivity characteristics of N'Dama cows under village husbandry conditions in The Gambia
Four experiments were carried out in which supplements of locally available proteinaceous by-products were given to young, mainly pre-weaned calves that ranged in initial weight from 30 to 90 kg. The experiments were part of a programme designed to establish practical and economical nutrition int...
A study undertaken to determine the performance of crossbred cows on the smallholder farms in southern Malawi with respect to reproductive and productive performance traits. Includes data on age at first calving, calving interval, and milk yield.
Agyemang, K.
,
Nkhonjera, L.P.
,
[Productivity of crossbred cattle on smallholder farms in southern Malawi]
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Productivity of crossbred cattle on smallholder farms in southern Malawi
A study was undertaken to determine the effectiveness of a progesterone-releasing intravaginal device (PRID) and prostaglandin F2 alpha (PGF2a) in synchronizing oestrus in N'dama and Bunaji cows and heifers and the fertility following artificial insemination at the synchronized oestrus. A total o...
Voh, A.A.
,
Larbi, Asamoah
,
Olorunju, S.A.S.
,
Agyemang, K.
,
Abiola, B.D.
,
Williams, Timothy O.
,
[Fertility of N'dama and Bunaji cattle to artificial insemination following oestrus synchronization with PRID and PGF2a in the hot humid zone of Nigeria]
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Fertility of N'dama and Bunaji cattle to artificial insemination following oestrus synchronization with PRID and PGF2a in the hot humid zone of Nigeria
Reports the effect of draught on milk production, reproductive and productive performance of crossbred dairy cows which had completed the first two lactations. Evaluates ways and means of reducing the effective number of draught animals needed to support agricultural production in the Ethiopian h...
Agyemang, K.
,
Astatke, A.
,
Anderson, F.M.
,
Wolde-Mariam, W.A.
,
[Effects of work on reproductive and productive performance of cross-bred dairy cows in the Ethiopian highlands]
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Effects of work on reproductive and productive performance of cross-bred dairy cows in the Ethiopian highlands
Presents findings of a study carried out to see beef production by effective fattening system for the domestic market of Malawi with a consequent sparing of foreign exchange.
Nkhonjera, L.P.
,
Agyemang, K.
,
Butterworth, M.H.
,
[Performance of cattle stall-fed for beef in Malawi]
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Performance of cattle stall-fed for beef in Malawi
Studies the death rate and cause of death of lambs in six different environments in the African traditional livestock production systems. Suggests solutions to reduce early mortality rates.
Wilson, R.T.
,
Traoré, A.
,
Peacock, C.P.
,
Mack, S.
,
Agyemang, K.
,
[Early mortality of lambs in African traditional livestock production systems]
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Early mortality of lambs in African traditional livestock production systems
Presents results of a study carried out in The Gambia on birth-weight data recorded between 1986 and 1991 on 3453 N'Dama calves from the village production systems to identify major factors influencing this trait and to quantify the relationship between birth weight and early calf mortality. Leas...
Agyemang, K.
,
[Adjustment of birth weight for weighing age and relationship of standardized birth weight with early mortality in N'Dama calves under traditional husbandry systems in The Gambia]
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Adjustment of birth weight for weighing age and relationship of standardized birth weight with early mortality in N'Dama calves under traditional husbandry systems in The Gambia