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Presents the past and present research findings on sheep and goat breeding in Nigeria. Attempts were made in the past at exploiting their genetic potentials through pure breeding and selection while a number of exotic breeds were used on the indigenous sheep and goats to improve goats and sheep s...


Olayiwole, M.B.Adu, I.F.[Past and present research on sheep and goat breeding in Nigeria]Past and present research on sheep and goat breeding in Nigeria
Doltra, JordiOlesen, J.E.Báezc, DoloresLouroc, AránzazuChirinda, Ngonidzashe[Modeling nitrous oxide emissions from organic and conventional cereal-based cropping systems under different management, soil and climate factors]Modeling nitrous oxide emissions from organic and conventional cereal-based cropping systems under different management, soil and climate factors
Autor: Bayer, W.

This paper discusses the single-round survey of smallholder goat and sheep production which is carried out in the Nigerian sub-humid-zone villages. In order to determine and analyse the importance of the designing and executing surveys as well as to give emphasis upon the flock breed structure ex...


Bayer, W.[Small ruminants in the Nigerian sub-humid zone]Small ruminants in the Nigerian sub-humid zone

International Center for Tropical Agriculture[Lista descriptiva del germoplasma de Phaseolus spp. II. Materiales promisorios]Lista descriptiva del germoplasma de Phaseolus spp. II. Materiales promisorios

This volume looks at various aspects of the culturally prescribed roles of women and men - that is, gender issues - in sub-Saharan Africa and their relevance to the recording of facts upon which national policies and plans promoting the welfare of labour and national economic development are supp...


Adepoju, A.Oppong, C.[Gender, work and population in sub-Saharan Africa]Gender, work and population in sub-Saharan Africa

Data were available to study reproductive aspects on a total of 1860 matings over three years for the Shugor and Watish ecotypes of Sudan Desert sheep kept under hot semi-arid conditions at the El Huda sheep research station in the Sudan. Overall adjusted mean gestation length was 150 days with n...


El-Karim, A.I.A.Owen, J.B.[Reproductive performance of two types of Sudan Desert sheep]Reproductive performance of two types of Sudan Desert sheep

Reports results of two demographic sample surveys in central Mali, analysing data which relate to age specific mortality and fertility of Bambara cultivators and Twareg nomadic cattle herders living in the area of the Niger inundation zone. Discusses results of the 1981 survey & compares them wit...


Hill, A.C.Randall, S.Sullivan, O.[The mortality and fertility of farmers and pastoralists in central Mali 1950-1981]The mortality and fertility of farmers and pastoralists in central Mali 1950-1981

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