Resultados de búsqueda - "Nigeria"

Wet season supplementation of West African Dwarf (WAD) goats in the subhumid zone of Nigeria por Ikwuegbu, O.A., Tarawali, G., Kaufmann, Ralph R. von

“…This paper determines the productivity of West African Dwarf goats in the subhumid zone of Nigeria and compares the relative merits of alternative wet season feed regimes namely; tethering goats on natural pasture, tethering goats on leguminous pasture and free grazing goats on leguminous pasture. …”
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Analyses of the poultry value chain and its linkages and interactions with HPAI risk factors in Nigeria por Akinwumi, J.A., Okike, Iheanacho, Bett, Bernard K., Randolph, Thomas F., Rich, Karl M.

“…Highly pathogenic avian influenza (HPAI) has impacts that reverberate throughout the poultry marketing chain. Nigeria suffered waves of HPAI outbreaks that peaked twice in February 2006 and February 2007. …”
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An evaluation of body size as related to weight of three West African breeds of cattle in Nigeria por Buvanendran, V., Umoh, J.E., Abubakar, B.Y.

“…Live weight estimates of indigenous breeds of cattle in Nigeria can be made with the same precision as with the European breeds of cattle using chest girth measurements. …”
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Haematological studies of various indigenous and exotic breeds of goats and their F1 crosses in Nigeria por Amakiri, S.F.

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Genetic parameters and factors affecting reproductive performance in White Fulani cattle in southern Nigeria por Mrode, Raphael A., Akinokun, J.O.

“…Data on reproductive performance of the White Fulani (Bunaji) cattle in Southern Nigeria were analysed. Age at first calving, first and overall calving intervals averaged 4.03± 0.43 years, 436.19±9.32 and 420.98± 4.11 days respectively. …”
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The estimated ex ante economic impact of Bt cowpea in Niger, Benin and Northern Nigeria por Gbègbèlègbè, S.D., Lowenberg-Deboer, J., Adeoti, R., Lusk, J., Coulibaly, O.

“…The results from the study suggest that cowpea growers and consumers in Benin and northern Nigeria prefer Bt to conventional cowpea for health safety reasons. …”
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Systems dynamics and heterogeneity: the key to unlocking West Africa`s potential? the case of maize in Nigeria por Smith, J., Weber, Georg K., Manyong, Victor M., Fakorede, M.A.B.

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Small livestock production in two villages in the forest and derived savanna zones of southwest Nigeria por Fricke, W.

“…Reports on a study of northern Nigeria's ecological conditions and socio-geographical differentiations in relation to cattle husbandry. …”
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An analysis of data on Sokoto Gudali cattle at Bulassa and Dogondaji, north western state, Nigeria por Wheat, J.D., Broadhurst, J.

“…Growth performance of Sokoto Gudali was investigated at Bulussa and Dogondaji, Nigeria. Animal weights at different ages were examined. …”
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Relationship between anaemia and parasitaemia in sheep naturally infected with Trypanosoma vivax in southwest Nigeria por Opasina, B.A.

“…Trypanosoma vivax was diagnosed from 20 of 45 (44.4%) West African Dwarf sheep suspected of clinical trypanosomiasis on ILCA’s farm at Fasola in southwest Nigeria. The infection represented 11.8% of the total sheep on the station. …”
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Matching health and performance in village goats and sheep in two contrasting locations in southwest Nigeria por Opasina, B.A, Adeoye, S.A.O.

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Impact of agricultural technology adoption on asset ownership: the case of improved cassava varieties in Nigeria por Awotide, B.A., Alene, Arega D., Abdoulaye, Tahirou, Manyong, Victor M.

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A microeconometric analysis of household consumption expenditure determinants in yamgrowing areas of Nigeria and Ghana por Mignouna, Djana B., Abdoulaye, Tahirou, Alene, A., Manyong, Victor M., Dontsop Nguezet, Paul M., Ainembabazi, John H., Asiedu, Robert

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Effect of tillage on the growth and yield of cowpea varieties in Sudan savanna agroecology of Northern Nigeria por Ewansiha, S.U., Udensi, U.E., Kamara, A.

“…Field study was conducted during the rainy seasons (July-November) of 2007, 2008, 2009 and 2010 at the Research Farm of the International Institute of Tropical Agriculture (IITA) Minjibir, Kano State, Nigeria; to compare responses of six cowpea varieties to tillage. …”
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Population structure and Aflatoxin production by Aspergillus Sect. Flavi from maize in Nigeria and Ghana por Perrone, G., Haidukowski, M., Stea, G., Epifani, F., Bandyopadhyay, Ranajit, Leslie, J., Logrieco, A.

“…Previous studies conducted inNigeria and Ghana found high concentrations of aflatoxins in pre- and post-harvest maize. …”
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First report of Xanthomonas euvesicatoria causing bacterial spot disease in pepper in Northwestern Nigeria por Jibrin, M.O., Timilsina, S., Potnis, N., Minsavage, G.V., Shenge, K.C., Akpa, A.D., Alegbejo, M., Beed, Fenton D., Vallad, G.E., Jones, J.B.

“…Although BS is common in Nigeria, to our knowledge, this represents the first report for this pepper pathogen in Nigeria.References: (1) N. …”
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Comparison of physicochemical properties of soils under contrasting land use systems in Southwestern Nigeria por Watanabe, Y., Kikuno, H., Asiedu, Robert, Masunaga, T., Wakatsuki, T.

“…Soil physicochemical properties were determined for soils under cropland and forest at the headquarters of the International Institute of Tropical Agriculture in Ibadan, Southwestern Nigeria to examine the 30-year effects of different land use on the fertility of five soil series toposequences underlain by a Basement Complex. …”
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Comparative responses of cowpea breeding lines to Striga and Alectra in the dry savanna of northeast Nigeria por Omoigui, L.O., Kamara, A., Ishiyaku, M., Boukar, O.

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Social capital and efficiency in resource utilization among cassava-based farmers in southwestern Nigeria por Olagunju, K., Ogunniyi, A., Idrissou, L.

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Incidence and diversity of viruses in cowpeas and weeds in the unmanaged farming systems of savanna zones in Nigeria por Odedara, O.O., Kumar, P. Lava

“…Fields surveys were conducted to assess the incidence of commonly known legume viruses on cowpeas and weed hosts within and around the cowpeas farms in nine locations across the three agro-ecological zones of Nigeria. Of 315 cowpea leaf samples collected and tested for eight viruses, 69.5% were found to be infected. …”
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