Resultados de búsqueda - Cattle. Periodicals.

Transhumance cattle production system in North Gondar, Amhara region, Ethiopia: is it sustainable? por Tegegne, Azage, Mengistie, T., Desalew, T., Teka, W., Dejen, Eshete

“…The number of cattle owners and the size of cattle population involved in one group were 4.3 ± 0.18 farmers and 58.8 ± 3.89 heads, respectively. …”
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Effect of placement weight and days on feed on feedlot cattle performance and carcass traits por Volpi Lagreca, Gabriela, Gelid, Lucas Fernando, Alende, Mariano, Bressan, Elbio, Pordomingo, Adriana Beatriz, Pordomingo, Anibal

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Contribution of Erythrina protein banks and rejected bananas for improving cattle production in the humid tropics por Ibrahim, M.A., Holmann, Federico J., Hernández, M., Camero, A.

“…DM yields of poro declined significantly with time (> 50%) when it was managed with a two-month resting period but remained higher when subsequently managed with a three-month resting period. …”
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Effects of immunisation against Theileria parva on beef cattle productivity and economics of control options por Pegram, R.G., James, A.D., Bamhare, C., Dolan, T.T., Hove, T., Kanhai, G.K., Latif, A.A.

“…Over 500 cattle of all age groups on 2 farms in Zimbabwe were immunised against theileriosis using the "infection and treatment" method and disease prevalence and their productivity assessed during a period of 18 months. …”
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Leucaena hedgerow intercropping and cattle manure application in the Ethiopian highlands. III. Nutrient balances por Lupwayi, N.Z., Haque, I.

“…The hedges are pruned periodically during the cropping period and the prunings are added to the soil as green manure. …”
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Detection of bovine leukemia virus RNA in blood samples of naturally infected dairy cattle por Alvarez, Irene, Porta, Natalia Gabriela, Trono, Karina Gabriela

“…The results obtained suggest the occurrence of persistent low-level expression of the tax and pol genes that could be a result of viral reactivation, within the asymptomatic period. This finding may be important in the pathogenesis of BLV infection, associated with the delivery period.…”
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Health and productivity of trypanotolerant and susceptible cattle exposed to trypanosomiasis in Gabon and the impact of strategic chemoprophylaxis por Ordner, G., Colardelle, C., D'Ieteren, G.D.M., Dumont, P., Itty, P., Jeannin, P., Leak, S.G.A., Maehl, J.H.H., Nagda, S.M., Paling, R.W., Rarieya, J.M., Thorpe, W.R., Trail, J.C.M., Yangari, G.

“…Studies the health and performance of two strains trypanotolerant N'Dama cattle, susceptible Nguni cattle and their crosses over a three-year period, 1983-1985, at OGAPROV ranch in Gabon; presents the influences of breed and animal age on the prevolence, species and intensity of trypanosome parasitaemia; and estimates the effects of trypanosome infection and breed and cow locatational status on the {PCV and reproductive performance.…”
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Epidemiological analysis of trypanocidal drug resistance in Zebu cattle in Ghibe, southwest Ethiopia. Abstract por Rowlands, G.J., Nagda, S.M., Leak, S.G.A., Mulatu, W., D'Ieteren, G.D.M., Peregrine, A.S.

“…Using this definition, the mean incidence of T. congolense infections in cattle over the study period was 13.7 percent and the overall prevalence of such infections was 22.6 percent. …”
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Factors influencing infections in Rhipicephalus appendiculatus ticks fed on cattle infected with Theileria parva por Young, A.S., Dolan, T.T., Morzaria, S.P., Mwakima, F.N., Norval, R.A.I., Scott, J., Sherriff, A., Gettinby, George

“…Factors associated with the ticks and cattle, and the infections developing in cattle were studied in relation to the infection variables in the ticks batches harvested daily from cattle. …”
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Field evaluation of the prophylactic effect of an isometamidium sustained-release device against trypanosomiasis in cattle por Diarra, B., Diall, O., Geerts, S., Kageruka, P., Lemmouchi, Y., Schacht, E., Eisler, M.C., Holmes, P.

“…All animals were treated with diminazene aceturate (7 mg/kg of bwt) 2 weeks before the start of the experiment and were tested monthly by the buffy coat technique for a period of 8 months. Glossina morsitans submorsitans was the most important tsetse species, with apparent densities (number of catches/trap/day) varying between 11.9 and 38.7 over the experimental period. …”
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Use of deltamethrin 'pour on' insecticide for the control of cattle trypanosomiasis in the prescence of high tsetse invasion por Rowlands, G.J., Leak, S.G.A., Mulatu, W., Nagda, S.M., Wilson, A., D'Ieteren, G.D.M.

“…Before the trial started the regression coefficient was 45.8 ± 6.3 and this reduced to 9.2 ± 2.5% incidence per loge (flies/ trap/day) during the period of tsetse control. It was concluded that this indicated reductions in tsetse numbers in the immediate vicinities of cattle in a way that was not reflected in overall tsetse catches. …”
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Beef cattle production system and opportunities for market orientation in Borena Zone, Southern Ethiopia por Tewodros, D.

“…The low demand periods for cattle meat correspond with the period of religious fasting periods by the Ethiopian Orthodox Church followers, the slaughter houses cease or minimize their services due to the fact that butcheries stop ordering cattle slaughter services. …”
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Tsetse challenge, trypanosome and helminth infection in relation to productivity of village Ndama cattle in Senegal por Fall, Abdou, Diack, A., Diaite, A., Seye, M., D'Ieteren, G.D.M.

“…Data on tsetse fly, and on village Ndama cattle collected over a 4-year period in southern Senegal were analysed. …”
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Effects of trypanosomiasis on productivity of East African Zebu cattle exposed to drug resistant trypanosomes por Mulatu, W., Rowlands, G.J., D'Ieteren, G.D.M., Nagda, S.M.

“…Research has been undertaken since 1986 in the Ghibe valley, southwest Ethiopia, monitoring approximately 840 village East African Zebu cattle monthly to assess the effects of trypanosomiasis on productivity. …”
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Phenotypic evaluation of genetic resistance to the tick Rhipicephalus (Boophilus) microplus in Argentine Creole cattle por Ortega Masague, Maria Florencia, Giovambattista, Guillermo, Cutulle, Christian, Dos Santos, Daniel Andrés, Nava, Santiago, Bonamy, Martín, Holgado, Fernando Daniel

“…The objective of this work was to characterize the Argentine Creole cattle breed through the identification of individual phenotypic variations in the levels of infestation with Rhipicephalus (Boophilus) microplus. …”
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Comparative studies on N'Dama and zebu cattle following repeated infections with Trypanosoma congolense por Dwinger, R.H., Clifford, D.J., Agyemang, K., Gettinby, George, Grieve, A.S., Kora, S., Bojang, M.A.

“…Differences in susceptibility to the ensuing disease were apparent when comparing N'Dama and Zebu cattle. Five Zebu cattle needed trypanocidal drug treatment, while none of the N'Damas needed during intervention.…”
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Sero-prevalence of hemorrhagic septicaemia in cattle and buffalo population of Indian states Karnataka and Gujarat por Shome, R., Gurrappanaidu, G., Subbanna, N.K.G., Mohandoss, N., Prajapati, A., Baskar, K., Skariah, S., Shanmugam, G., Maharana, S.M., Kennady, Vijayalakshmy, Rahman, Habibur

“…Hemorrhagic septicemia (HS) is a highly contagious and fatal disease of cattle and buffaloes caused by P. multocida. Both conventional and molecular methods are applied in parallel for rapid diagnosis of HS outbreaks and the periodical surveillance strategy to identify risk areas for HS is ignored. …”
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Price predictors in an extended hedonic regression framework: An application to wholesale cattle markets in Ethiopia por Bachewe, Fantu Nisrane, Headey, Derek D., Minten, Bart

“…This study analyzes wholesale cattle markets in Ethiopia using a uniquely rich large-scale dataset covering both prices and cattle characteristics in 39 markets (in both highland and lowland areas) over a 10-year period, and hedonic regression models structured to understand both cattle price formation and seasonal and secular price dynamics. …”
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Patterns of Trypanosoma vivax and T. Congolense infection differ in young N'Dama cattle and their dams por Trail, J.C.M., Wissocq, N.M., D'Ieteren, G.D.M., Kakiese, O., Murray, M.

“…Trypanosome infection was detected by the dark ground/phase contrast buffy coat microscopic technique in N'Dama cattle in a high natural tsetse challenge situation in Zaire. …”
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Genotyping Mycobacterium bovis from cattle in the Central Pampas of Argentina: tempoal and regional trends por Shimizu, Ernesto, Macias, Analía, Paolicchi, Fernando, Magnano, Gabriel, Zapata, Laura, Fernandez, Analía, Canal, Ana María, Garbaccio, Sergio Gabriel, Cataldi, Angel Adrian, Caimi, Karina Cynthia, Zumarraga, Martin Jose

“…Mycobacterium bovis is the causative agent of bovine tuberculosis (TB), a disease that affects approximately 5% of Argentinean cattle. Among the molecular methods for genotyping, the most convenient are spoligotyping and variable number of tandem repeats (VNTR). …”
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