Descubre y comparte nuestro conocimiento público

Se han encontrado 199 recursos

Resultados de búsqueda

A survey was conducted from February to June of 1997 among livestock herders in two villages of Niger, Kodey and Toukounous, on their perceptions, practice, and problems of night grazing. Cattle and sheep were the species that were taken out for night grazing by the herders. Small herd size an...


Ayantunde, Augustine A.Williams, Timothy O.Udo, H.M.J.Fernández Rivera, S.Hiernaux, Pierre H.Y.Keulen, H. van[Herders' perceptions, practice, and problems of night grazing in the Sahel: Case studies from Niger]Herders' perceptions, practice, and problems of night grazing in the Sahel: Case studies from Niger

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]Early mortality of lambs in African traditional livestock production systems
Autor: Agyemang, K.

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]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
Autor: Wilson, R.T.

Outlines the supposed origins, known history and distribution of Macina sheep in the Niger innundation zone of Mali w. a physical description of the breed, discussing population demography and traditional systems of management; evaluates productivity using results of a questionnaire survey of tra...


Wilson, R.T.[Livestock production in central Mali: The Macina wool sheep of the Niger inundation zone]Livestock production in central Mali: The Macina wool sheep of the Niger inundation zone

Evaluates the reproductive and lactational performances, length of productive life of the Jersey breed from records for 1960 to 1988 in coastal lowland semi-humid Kenya. Reports estimates of reproductive and lactational performance, the effects of non-genetic factors on performance and estimates ...


Njubi, D.M.Rege, J.E.O.Thorpe, W.R.Collins-Lusweti, E.Nyambaka, R.[Genetic and environmental variation in reproductive and lactational performance of Jersey cattle in the coastal lowland semi-humid tropics]Genetic and environmental variation in reproductive and lactational performance of Jersey cattle in the coastal lowland semi-humid tropics

An experiment was conducted to determine the effects of feeding different calf starter rations, weaning age and their interactions on testicular growth and body weight of Borena Friesian (BF) crossbred bull calves at the age of 105 (closer to weaning) and 202 (nearly 6 months) days. Statistical a...


Gojam, Y.Tegegne, AzageGebrewold A.Bekele, T.[The effect of weaning age and feeding of different calf starter rations on testicular growth and body weight of Borena-Friesian crossbred bull calves]The effect of weaning age and feeding of different calf starter rations on testicular growth and body weight of Borena-Friesian crossbred bull calves

A survey was conducted to characterize cattle production systems and preferred cattle functions in North and South Wollo Zones of the Amhara Regional State of northeastern Ethiopia. Rapid survey and semi-structured questionnaires were used to collect data on herd structures, indicative productive...


Tadesse, D.Ayalew, W.Hegde, B.P.[Survey of traditional cattle production systems and preferred cattle functions in North and South Wollo Zones, Ethiopia]Survey of traditional cattle production systems and preferred cattle functions in North and South Wollo Zones, Ethiopia
Autor: Wilson, R.T.

Reports the results of a two years study carried out at the slaughter slab of a medium-sized sahelian town conducted to examine the contribution of sheep, goats & cattle to meat supply. Compares sex, age, carcass weight, number of animals slaughtered, amount of meat available per head, and condem...


Wilson, R.T.[Livestock production in central Mali: Contributions of goats and sheep to meat supply of a Sahelian town]Livestock production in central Mali: Contributions of goats and sheep to meat supply of a Sahelian town

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...


Trail, J.C.M.Murray, M.Sones, Keith R.Jibbo, J.M.C.Durkin, J.W.Light, D.E.[Boran cattle maintained by chemoprophylaxis under trypanosomiasis risk]Boran cattle maintained by chemoprophylaxis under trypanosomiasis risk

Two studies were conducted between 1991 and 1993 to assess the impact of grazing improved natural pasture at different stocking densities on animal and vegetation responses. In the first grazing season, goats of the West African Dwarf (WAD) breed were grazed at four stocking densities. Wet-season...


Iji, P.A.Umunna, N.N.Alawa, J.P.Ikwuegbu, O.A.[The performance of West African Dwarf does and their kids at various stocking densities on stylo-based pasture in the subhumid zone of Nigeria]The performance of West African Dwarf does and their kids at various stocking densities on stylo-based pasture in the subhumid zone of Nigeria

Selecciona los documentos para visualizarlos

Nombre del archivo Ver recurso