Resultados de búsqueda - Gemla~

Motivations and incentives for mechanization in Zambia: a mixed-methods analysis por Mulungu, Kelvin, Ngoma, Lushomo Molly, Mhembere, Rumbidzai, Manyanga, Mark, Simutowe, Esau, Thierfelder, Christian, Matin, Md. Abdul, Ngoma, Hambulo

“…Individual ownership is favoured by male farmers and those in more mechanized districts seeking operational autonomy, while group ownership is preferred by female farmers and those in less-mechanized areas for its cost-sharing and risk-management benefits. …”
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Adoption potential of climate-smart varieties, intercrops and fertilization strategies in Northern Ghana por Masoud, Jalaludeen, Jizorkuwie, Abdul-Latif Baamonyor, Amankwaa-Yeboah, Patricia, Ofosu-Ampong, Kingsley, Abera, Wuletawu

“…A total of 108 respondents participated in a participatory evaluation comprising farmers and extension agents, of which 52.78% were female and 47.22% male. Overall, farmers showed strong preference for improved varieties and diversified cropping systems. …”
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Understanding heterogeneity: A mixed-method analysis to inform context-specific strategies for the inclusive scaling of improved bean varieties por Quintero, Katherine, Pérez, Yuliana, Taborda, Luis, Pérez, Salomón, Morales, Herlindo, Buritica, Alexander, Vargas, Sandra, González, Carolina, Jiménez, Luz Adriana, Reyes, Byron

“…At the farmer level, three typologies were identified: young female subsistence farmers, middle-aged indigenous male subsistence farmers, and older male market-oriented farmers, differing in assets, technology access, and market engagement. …”
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Variety age and maize yield in Zambia: climate-smart benefits of varietal turnover under production stress por Mulungu, Kelvin, Cairns, Jill, Jaleta, Moti

“…Using nationally representative panel data spanning 2012-2019 and covering 11,065 plot-level observations from 8,369 households, we estimate the relationship between variety age and yield while controlling for household and plot characteristics through fixed and random effects models. First, we find that female-headed households use varieties 2-3 years older on average, pointing to equity concerns in variety access. …”
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Factors affecting growth performance of sheep under village management conditions in the south western part of Ethiopia por Bela, B., Haile, Aynalem

“…The males were heavier than females, by 7.11% and 10.2 % for 180 days and 360 days weight, respectively. …”
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AvGI, an index of genes transcribed in the salivary glands of the ixodid tick Amblyomma variegatum por Nene, Vishvanath M., Lee, D., Quackenbush, J., Skilton, Robert A., Mwaura, S., Gardner, M.J., Bishop, Richard P.

“…Random clones from a cDNA library made from mRNA purified from dissected salivary glands of feeding female Amblyomma variegatum ticks were subjected to single pass sequence analysis. …”
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Village chicken characteristics and their seasonal production situation in Jamma District, South Wollo, Ethiopia por Mengesha, M., Tamir, B., Dessie, Tadelle

“…The ratio of male to female was around 1:3. The purpose of keeping poultry was mainly for sale (38.11) followed by home consumption (31.56%). …”
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Prevalence of gastrointestinal protozoa and association with risk factors in free-range pigs in Kenya por Kagira, J.M., Githigia, S.M., Ng'ang'a, J.C., Kanyari, P.W.N., Maingi, N., Gachohi, John M.

“…The prevalences of Eimeria spp., Entamoeba spp. and Tt. suis were higher in males than females; but it was only the sex-differences for Tt. suis which were statistically significant (p < 0.05). …”
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Village Baseline Study: Site Analysis Report for Kaffrine – Kaffrine, Senegal por Goudou D, Traoré Gue, J.N., Ouédraogo, Mathieu, Segda, Zénabou, Badiane Ndour, Ndèye Yacine, Sall, Moussa, Gueye F, Sissoko, Keffing, Zougmoré, Robert B., Moussa, Abdoulaye S.

“…For that they harvest and sell forest products, which creates a vicious cycle of resource degradation. The male and female groups identified 35 organisations operating in the village including informal groups, state services, associations, NGOs and Muslim brotherhoods. …”
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The competitiveness of small household pig producers in Vietnam: Significant research and policy findings from an ACIAR-sponsored study and their limitations por Tisdell, C.A.

“…These results include (1) natural protection given to Vietnam’s pig producers from imports as a result of the nature of the preferences of Vietnamese consumers: (2) the importance of household labour, especially that provided by females, in the husbandry of pigs held by households; (3) the existence, or otherwise, of scale economies as a function of the number of pigs held by households and the economic efficiency of small producers, (4) the import dependence for pig food of Vietnam’s pig industry and the way in which it varies with the number of pigs kept by households; (5) specialization in pig production, (6) regional differences in the economics of pig production; (7) economic discrimination in the supply of inputs to household producers of pigs and in their sale of pigs; (8) the size of pig-holdings and the use of professional services, such as veterinary services and extension services; and (9) findings about miscellaneous matters, such as the genetic composition of the pig stock. …”
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The incidence of new and the prevalence and persistence of recurrent trypanosome infections in cattle in southewest Ethiopia exposed to a high challenge with drug-resistant parasit... por Rowlands, G.J., Leak, S.G.A., Peregrine, A.S., Nagda, S.M., Mulatu, W., D'Ieteren, G.D.M.

“…Adult male cattle appeared to be more susceptible to T. congolense infection than adult female cattle…”
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Effects of nutrition on degree of anaemia and liveweight changes in N'Dama cattle infected with trypanosomes por Agyemang, K., Dwinger, R.H., Touray, B.N., Jeannin, P., Fofana, D., Grieve, A.S.

“…The degree of anaemia, as measured by PCV in 2- to 5-year-old female N'Dama cattle during the first month of detectable trypanosome infection, and the pattern of recovery from anaemia during the first 3 and 6 months pi were compared for 4 groups of cattle, of which 2 groups served as controls. …”
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Factors associated with Theileria parva infections in small-holder dairy farms in Murang'a District, Kenya por Gitau, G.K., McDermott, John J., Perry, Brian D.

“…The association between serum antibody titres to Theileria parva in calves and potential explanatory factors were examined in a longitudinal observational study that was conducted in 5 cohorts of female calves with a total of 225 calves on 188 smallholder dairy farms. …”
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A comparison of African buffalo, N'Dama and Boran cattle as reservoirs of Trypanosoma vivax for different Glossina species por Moloo, S.K., Gettinby, George, Olubayo, R.O., Kabata, J.M., Okumu, I.O.

“…Similarly, the risk of infection was significantly lower in male than female tsetse. When teneral G. m. centralis, G. pallidipes, G. p. gambiensis, G. brevipalpis and G. longipennis were fed simultaneously on either the buffalo cow, the N'Dama bull or the Boran steer infected with T. vivax IL 2337, the mature infection rates were higher in the two morsitans group than the two fusca group tsetse, whilst G. p. gambiensis was relatively refractory to the infection, irrespective of the host species on which they fed. …”
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Survey of maedi-visna (MV) in Ethiopian highland sheep por Ayelet, G., Roger, F., Tibbo, Markos, Tembely, S.

“…A total of 349 serum samples were collected in January 1996 from ILRI Debre Berhan station (n=203) and adjacent farms (n=146), and Agar Gel Immunodiffusion (AGID) test was used to determine the presence of specific maedi-visna virus antibody. …”
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An investigation of a major outbreak of Rift Valley Fever in Kenya: 2006-2007 por Nguku, P.M., Sharif, S.K., Mutonga, D., Amwayi, S., Omolo, J.O., Mohammed, O., Farnon, E.C., Gould, L.H., Lederman, E., Rao, C., Sang, R., Schnabel, D., Feikin, D.R., Hightower, A., Njenga, M.K., Breiman, R.F.

“…Male cases were more likely to die than females, Case Fatality Rate Ratio 1.8 (95% Confidence Interval [CI] 1.3–3.8). …”
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Application of mark-recapture methods to lions: Satisfying assumptions by using covariates to explain heterogeneity por Ogutu, J., Piepho, Hans-Peter, Dublin, H.T., Reid, Robin S., Bhola, N.

“…Age, sex, group size, pride size and feeding events all influenced the sightability of lions. Notably, females (>1 year) were sighted or resighted in proportion to their presence in the population, whereas similarly aged males, adults or subadults fluctuated erratically about their population proportions. …”
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Non-genetic factors affecting early growth traits and survival in Horro sheep por Abegaz, Solomon, Duguma, G., Gelmesa, U., Terefe, F., Negussie, E., Rege, J.E.O.

“…Male lambs were heavier by 0.14, 1.1, 1.9, and 4.2 kg than females in BWT, WWT, 6MWT, and YWT. Single born lambs were heavier by about 0.5 kg than multiple born lambs at birth. …”
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Use of Akaike information criteria for model selection and inference. An application to assess prevention of gastrointestinal parasitism and respiratory mortality of Guinean goats... por Lancelot, R., Lesnoff, Matthieu, McDermott, John J.

“…Its goals were to: (1) describe the patterns of mortality of female Guinean goats by age, season and year; (2) assess preventive measures against respiratory diseases and gastrointestinal parasitism in reducing mortality; and (3) estimate the overall impact of these measures on survival to 1 year of age. …”
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Risk factors for mortality associated with respiratory disease among Menz and Horro sheep in Ethiopia por Tibbo, Markos, Mukasa-Mugerwa, E., Woldemeskel, M., Rege, J.E.O.

“…A higher (P<0.0001) proportion of males suffered than females (15.1±0.23% vs. 13.8±0.13%). Age was also an important risk factor for MARD: there was a strong polynomial relationship (R2=0.91, P<0.0001) between MARD and age; the risk of being young if a sheep was a MARD case was high. …”
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