Resultados de búsqueda - Random variables.

Household participation in a Payments for Environmental Services programme: the Nhambita Forest Carbon Project (Mozambique) por Hedge, R., Bull, G.Q., Wunder, Sven, Kozak, R.

“…Questionnaire-based quarterly surveys were conducted with 290 randomly selected households. We used the instrumental variables technique to identify the factors influencing household participation. …”
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Factores productivos y su relación con el bienestar animal en bovinos de carne. Estudio del estrés térmico, la raza y la categoría por Langman, Leandro Ezequiel

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Genetic Diversity among Common Bean Breeding Lines developed for Central America por Beebe, Stephen E., Ochoa, Iván E., Skroch, Paul W., Nienhuis, James, Tivang, Jan

“…Genetic distance (GD) based on the presence or absence of random amplified polymorphic DNA (RAPD) bands was estimated among breeding lines and cultivars of red and black beans. …”
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Improved sample selection and preparation methods for sampling plans used to facilitate rapid and reliable estimation of aflatoxin in chicken feed por Kibugu, J., Mdachi, R., Munga, L., Mburu, D., Whitaker, T., Thu P. Huynh, Grace, Delia, Lindahl, Johanna F.

“…A modified sampling protocol that ensured representativeness is documented, including sample selection, sampling tools, random procedures, minimum size of field-collected aggregate samples (primary sampling), procedures for mass reduction to 2 kg laboratory (secondary sampling), 25 g test portion (tertiary sampling) and 1.3 g analytical samples (quaternary sampling). …”
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Ethiopia Nile Basin Climate Change Adaptation Dataset por International Food Policy Research Institute

“…One peasant association was selected from every woreda for a total of 20 peasant associations. Random sampling was used in selecting 50 households from each peasant administration within the 20 woredas. …”
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Digital descriptors sharpen classical descriptors, for improving genebank accession management: A case study on Arachis spp. and Phaseolus spp. por Conejo-Rodriguez, Diego Felipe, Gonzalez-Guzman, Juan Jose, Ramirez-Gil, Joaquín Guillermo, Wenzl, Peter, Urban, Milan

“…Descriptors discriminating most accessions were identified using a random forest algorithm. The most-valuable classification descriptors for peanuts were 100-seed weight and days to flowering, and for beans, days to flowering and primary seed color. …”
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The role of locus of control and restrictive norms on farmers’ willingness to pay for climate information services in Senegal, West Africa por Muriithi, Cyrus, Ouedraogo, Issa, Mwangi, Obadiah

“…Climate variability challenges smallholder farmers in sub-Saharan Africa. …”
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Progress of the Malabo Declaration as a Regional Agenda towards addressing hunger in Africa por Ubah, Charles Chibuzor, Nagabhatla, Nidhi

“…While some countries have recorded gains in non-hunger thematic areas such as finance, trade, resilience to climate variability, and governance and accountability mechanisms, the extent to which these improvements contribute to hunger reduction remains unclear. …”
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Genetic and environmental effects on age at first calving and calving interval of naturally bred Boran(zebu) cows in Ethiopia por Haile-Mariam, M., Kassa-Mersha, H.

“…The annual genetic change for both traits was not significant while the solutions for year effects were highly variable. The regression of the solutions of year effects for AFC on year showed that it increased by about 10 days while the variation in CI was due to random year to year fluctuation.…”
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Performance and physical body measurement of Abergell sheep breed in traditional management system of Tigray Regional State, northern Ethiopia por Tajebe, S., Gangwar, S.K., Kebede, K.

“…The survey was made by selecting 110 households found in six peasant association from the Tanqa Abergelle Tigray regional state district using systemic random sampling procedure. Each household was interviewed by semi-structured questioner developed to gather information on feed and feeding, disease and parasite, reproduction and breeding. …”
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Characterization and Pathogenicity of Fusicladium eriobotryae, the Fungal Pathogen Responsible for Loquat Scab por Sánchez-Torres, Paloma, Hinarejos, R., Tuset, Juan J.

“…Molecular variability was checked by comparing all the different strains and enabled the specific identification of F eriobotryae. …”
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The role of molecular markers in breeding for qualitative and quantitative traits of common bean por Kelly, James D., Miklas, Phillip N.

“…Random amplified polymorphic DNA (RAPD) markers tightly linked to individual race-specific resistance genes forms the basis for effective indirect selection for durable genetic resistance. …”
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Quantitative assessment of social and economic impact of African swine fever outbreaks in northern Uganda por Chenais, Erika, Boqvist, Sofia, Emanuelson, Ulf, Brömssen, C. von, Ouma, Emily A., Aliro, T., Masembe, Charles, Ståhl, Karl, Sternberg Lewerin, Susanna

“…In a longitudinal study, structured interviews with two hundred, randomly selected, pig-keeping households were undertaken three times with a six month interval. …”
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Effect of cowpea (Vigna unguiculata) and Dolichos lablab (Lablab purpureus) hay supplementation on ammonia concentration and microbial-N supply in calves fed tef (Eragrostis tef) s... por Ebro, A., Umunna, N.N., Yami, A., Nsahlai, I.V.

“…In trial one, twenty one calves were randomly assigned to one of the dietary treatments mentioned above. …”
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Efecto de la inclusión de grasa sobre la performance reproductiva y productiva de cerdas en el sudoeste chaqueño por Rivas, Francisco Germán

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Delineation of soil fertility management zones for site-specific nutrient management in the maize belt region of Nigeria por Aliyu, K.T., Kamara, A.Y., Jibrin, J.M., Huising, J.E., Shehu, B.M., Adewopo, J.B., Mohammed, I.B., Solomon, R., Adam, A.M., Samndi, A.M.

“…This study was conducted to understand the spatial variability of soil properties and delineate spatially homogenous nutrient management zones (MZs) in the maize belt region of Nigeria. …”
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Epidemiological determinants and magnitude of calf morbidity and mortality in Bahir Dar milk-shed, north west Ethiopia por Ferede, Y.

“…A total of 440 calves, a random sample of 322 calves from small-holder and 118 from five large dairy farms located in Bahir Dar milkshed were included in the study. …”
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Efecto de la maduración sobre la calidad de la carne en novillos brangus por Papaleo Mazzucco, Juliana

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Resilient yet productive: maize that can thrive under stress and in optimal conditions por Das, Reshmi Rani, Vinayan, Madhumal Thayil, Seetharam, Kaliyamoorthy, Ahmad, Salahuddin, Thaitad, Suriphat, Nguyen, Thanh Chi, Patel, Manish B., Kumar, Ramesh, Devraj Lenka, Zaidi, Pervez H.

“…Multi-environment trials (METs) were conducted across 19 locations in South and Southeast Asia (India, Bangladesh, Vietnam, and Thailand) under four moisture regimes: optimal, rainfed/random stress, reproductive-stage drought, and vegetative-stage waterlogging. …”
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Evaluación de la percepción y los factores determinantes en la implementación de medidas de adaptación al cambio y variabilidad climática por los productores de leche de la cuenca... por Velarde Andrade, Luz Marina

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