Resultados de búsqueda - Cattle. Periodicals.

Comparative growth and reproductive performance of Boran, Tanzania Shorthorn Zebu and Mpwapwa cattle breeds and various crosses por Kasonta, J.S.

“…Reproductive performance, pre-weaning growth and calf mortality based on data over a 27-year period (1963-1989) were evaluated for Boran, Tanzania Shorthorn Zebu (TSZ) and their crosses maintained on-station at Livestock Research Centres Malya and West Kilimanjaro in Tanzania. …”
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Genomic association study for age at first calving and calving interval in Romosinuano and Costeño con Cuernos cattle por Fernandez Niño, Juan Carlos, Perez Garcia, Juan Esteban, Herrera, N., Martinez Sarmiento, Rodrigo Alfredo, Bejarano Garavito, Diego Hernan, Martinez Rocha, Juan Felipe

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Complejo respiratorio bovino: evidencia de circulación viral múltiple en un establecimiento de cría por Streitenberger, Nicolas, Ferella, Alejandra, Perez Aguirreburualde, Maria Sol, Sammarruco, Romina Ayelén, Dus Santos, Maria Jose, Mozgovoj, Marina Valeria, Maidana, Silvina Soledad, Romera, Sonia Alejandra, Pecora, Andrea, Quiroga, María Alejandra, Fazzio, L.E.

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Non-parasitic life cycle of the cattle tick Rhipicephalus (Boophilus) microplus in Panicum maximum pastures in northern Argentina por Mastropaolo, Mariano, Mangold, Atilio Jose, Guglielmone, Alberto, Nava, Santiago

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Performance of local West African Shorthorn cattle fed agro-based industrial by products as dry season supplements por Humado, C.K.

“…Except for the ricebran supplemented animals, other groups made slight live weight lesses during this period. Overall results of this experiment suggest a possible advantage in supplementation with detheobromised roasted cocoa bean shell and rice bran based diets, during a severe dry season period.…”
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Genetic and phenotypic parameters for birth and weaning weights of purebred and crossbred N'dama and West African Shorthorn cattle por Ahunu, B.K., Arthur, P.F, Kissiedu, H.W.A.

“…Calf records for a 30 year period (1965-1995) on purebred and crossbred N'dama and West African Shorthorn (WASH) cattle and their crosses with Santa Gertrudis or Red Poll were analyzed to determine factors affecting birth and weaning weights and to estimate genetic parameters. …”
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Ex-ante analysis of new forage alternatives for farms with dual-purpose cattle in Peru, Costa Rica, and Nicaragua por Holmann, Federico J.

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Financial analysis of East Coast Fever control strategies in traditionally managed Sanga cattle in Central Province of Zambia por Minjauw, B., Rushton, Jonathan, James, A.D., Upton, M.

“…Five different East Coast fever (ECF)-control strategies (involving ECF immunisation by the infection-and-treatment method) were tested in groups of traditionally managed Sanga cattle in the Central Province of Zambia over a period of 2.5 years. …”
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Assessment of beef cattle production, management practices and marketing system in Lume District of east Shoa Zone, Ethiopia por Moreda, T.

“…Study was conducted to assess beef cattle production, management practices and marketing system in Lume district, East Shoa Zone, Oromia. …”
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Grazing diverse combinations of tanniferous and nontanniferous legumes: implications for foraging behavior, performance, and hair cortisol in beef cattle por Lagrange, Sebastian Pablo, MacAdam, Jennifer W., Stegelmeier, Bryan, Villalba, Juan J.

“…Twenty-one pairs of heifers grazed three spatial replications of seven treatments: monocultures of BFT, SF, or ALF, and all possible two- and three-way choices among strips of these legumes: SF-BFT, ALF-BFT, ALF-SF, and ALF-SF-BFT in two periods of 25 d each (adaptation phase + experimental period) during two consecutive years. …”
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Sward structure and patterns of defoliation of signal grass (Brachiaria decumbens) pastures under different cattle grazing intensities por Busqué, J., Herrero, Mario

“…Permanently marked plants and tillers were followed non-destructively during 8 consecutive grazing periods for each stocking rate treatment. Leaf and stem lengths were measured before and after the introduction of cattle for all marked tillers. …”
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Activity patterns of the marsh deer: Effects of proxies of human movement, cattle presence, and moon phases on its behavior por Guerisoli, María de las Mercedes, Fergnani, Darío Martín, Fracassi, Natalia, Thompson, Jeffrey J., Pereira, Javier Adolfo

“…We studied how the activity patterns of the marsh deer are affected by proxies of human movement, cattle presence, and moon phases in Argentina. We found that marsh deer presented activity peaks during crepuscular hours and moderate levels of activity during the entire night period. …”
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Infection of cattle with Theileria parva induces an early CD8 T cell response lacking appropriate effector function por Houston, E.F., Taracha, E.L.N., Brackenbury, L., MacHugh, Niall D., McKeever, Declan J., Charleston, B., Morrison, W. Ivan

“…Theileria parva causes an acute lympho-proliferative disease in cattle, which can result in death of susceptible animals within 2-3 weeks of infection. …”
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How do sustainability policies emerge in the Colombian political system? Analysis of the Policy for Sustainable Cattle 2022-2050 por Díaz, Manuel F., Moreno Lerma, Leonardo, Burkart, Stefan

“…The Policy for Sustainable Cattle 2022-2050 in Colombia is one of the most ambitious efforts to support the pledges by encouraging the switch from conventional cattle farming to sustainable production systems and value chains. …”
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Effect of variation in gridded cattle diet composition on estimated enteric methane emissions in data sparse tropical regions por Mutua, John Y., Duncan, Alan J., Robinson, Timothy P., Fraval, Simon, Notenbaert, An Maria Omer, Watmough, Gary R.

“…Diet composition varies seasonally particularly in tropical environments with long dry periods. However, existing data have uncertainties resulting from data collection challenges and the assumption of a constant annual distribution of diet composition. …”
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In vivo and in vitro evaluation of the efficacy of cypermethrin high-cis (ECOTOMIN) against economically important cattle ticks in Ethiopia por Mekonnen, S., Kgasi, A., Mureithi, W., Zena, G., Tekle, T., Gebre, S., Jobre, Y., Bryson, N.R.

“…Twenty crossbred cattle, naturally infested with Amblyomma variegatum, B. decoloratus, Hyalomma marginatum rufipes and Rhipicephalus evertsi evertsi, were used in the In Vivo trial. …”
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Cattle milk and meat production and marketing systems and opportunities for market-orientation in Fogera woreda, Amhara region, Ethiopia por Anteneh, B., Tegegne, Azage, Beyene, F., Gebremedhin, Berhanu

“…Only 12 (2.52%) of the respondents were female-headed households. About 98.8% of cattle milk and meat production was based on traditional husbandry using indigenous cattle breeds. …”
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Productivity of Boran cattle maintained with chemoprophylaxis under high tsetse challenge at Mkwaja ranch in Tanzania. 2. Productivity por Trail, J.C.M., Murray, M., Sones, Keith R., Jibbo, J.M.C., Durkin, J.W., Light, D.E.

“…It was found that grade Boran at Mkwaja were approximately 80% as productive as purebred Kenya Boran reared on ranches considered among the best in the world. In conclusion, cattle production under chemoprophylaxis is possible in areas heavily infested with tsetse. …”
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Enteric methane emissions from beef cattle grazing silvopastoral vs. open-sky pastures in northeastern Argentina por Loto, Mauro, Cerón-Cucchi, Maria Esperanza, Maidana, Carlos Emilio, Colcombet, Luis, Ricci, Patricia, Da Luz, Miguel, Nieto Albarracín, Ana Cecilia, Gere, Jose Ignacio

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The effect of dietary nitrate and canola oil alone or in combination on fermentation, digesta kinetics and methane emissions from cattle por Villar, Maria Laura, Hegarty, Roger Stephen, Nolan, John V., Godwin, Ian R., McPhee, Malcolm J.

“…The objective of this experiment was to evaluate the effects of nitrate (NO3¯) and canola oil, alone or in combination, on enteric CH4, volatile fatty acid (VFA) concentrations, digesta kinetics and outflow of DM and microbial non-ammonia nitrogen (MicNAN) from the rumen of cattle. Four rumen-cannulated steers were used in the experiment which was designed as 4×4 Latin Square with four 21-d periods and four treatments. …”
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