Resultados de búsqueda - Cattle. Periodicals.

Effect of work, nutritional stress and level of re-alimentation on the composition of compensatory gains in draught oxen por Nsahlai, I.V., Yimegnuhal, A., Talle, S.B., Osuji, P.O.

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Hematological profile of East African short-horn zebu calves from birth to 51 weeks of age por Wyk, Ilana Conradie van, Goddard, A., Bronsvoort, B.M. de C., Coetzer, Jacobus A.W., Booth, C., Hanotte, Olivier H., Jennings, A., Kiara, Henry K., Mashego, P., Muller, C., Pretorius, G., Poole, Elizabeth J., Thumbi, Samuel M., Toye, Philip G., Woolhouse, Mark E.J., Penzhorn, Banie L.

“…The most significant age-related change in the red cell parameters was a rise in red cell count and hemoglobin concentration during the neonatal period. This is in contrast to what is reported for other ruminants, including European cattle breeds where the neonatal period is marked by a fall in the red cell parameters. …”
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Evaluation of dairy potential of Bunaji and Sokoto Gudali breeds por Johnson, A.O., Buvanendran, V., Dim, N.I.

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Behavioural and physical signs associated with oestrus and some aspects of reproductive performance in Fogera cows and heifers por Negussie, F., Kassa, T., Tibbo, Markos

“…An investigation was carried out into the behavioural and physical signs of oestrus in 70 Fogera cows and heifers between December 1993 and May 1994 at Metekel Cattle Breeding and Improvement Ranch, Ethiopia. Retrospective information generated from records made between 1991 and 1994 was evaluated for some aspects of the reproductive indices. …”
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Appraisal of selection practice and fertility of bull used for frozen semen production in Ethiopia por Tesema, Z., Besufkad, S., Kassahun, D., Deribe, B., Abebe, A., Zewdie, T., Araya, A., Yitagesu, E., Alemayehu, L., Agegnehu, B., Gizaw, Solomon

“…Bulls were extensively utilized for long periods, up to six years, without knowing their genetic superiority. …”
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The Orma Boran - ten years of field observations por Dolan, R.B., Alushula, H., Munga, L., Mutugi, M., Mwendia, C., Okech, G., Sayer, P.D., Stevenson, P.G.W., Baker, R.L., Magadi, M.

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Biological and economic impact of trypanosome infections on milk production in N'Dama cattle managed under village conditions in The Gambia por Agyemang, K., Dwinger, R.H., Jeannin, P., Leperre, P., Grieve, A.S., Bah, M.L., Little, D.A.

“…Examines the productivity characteristics of village N'Dama cattle exposed to different levels of trypanosomiasis challenge in The Gambia over a 3-year period. 60 lactating cows in which Trypanosoma congolense and T. vivax had been detected on blood examination were compared with 50 cows which had not been found infected with trypanosomes during the monitoring period. …”
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Comparative sensitivity of antigen-detection enzyme immunosorbent assay and the microhaematocrit centrifugation technique in the diagnosis of Trypanosoma brucei infections in cattl... por Masake, R.A., Moloo, S.K., Nantulya, V.M., Minja, S.H., Makau, J.M., Njuguna, J.T.

“…Four Boran cattle were infected with Trypanosoma brucei using Glossina morsitans centralis and were left untreated throughout the experimental period of 18 months. …”
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Effect of tsetse control with insecticide-impregnated traps on trypanosome prevalence and productivity of cattle and sheep in northern Cote d'Ivoire por Coulibaly, L., Rowlands, G.J., Authié, Edith, Hecker, P.A., D'Ieteren, G.D.M., Krebs, H., Leak, S.G.A., Rarieya, J.M.

“…Nineteen herds of cattle (N'Dama, Baoule and Zebu crosses) and 20 flocks of Djallonke and Djallonke x Sahel sheep in the region of Boundiali, northern Cote d'Ivoire, were monitored monthly for body weight, packed red blood cell volume and the presence of trypanosomes in blood over various periods from January 1984 to December 1992. …”
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A survey of some plasma metabolites and haematological parameters of grazing White Fulani cattle and Kano Brown goats in Nigeria por Okorie, A.U., Anugwa, F.O.I.

“…Blood samples were taken from 36 White Fulani cattle and 36 Kano Brown goats over a period of 12 weeks in the dry season and analyzed for haemoglobin (Hb), red blood cell (RBC) count, white blood cell (WBC) count, packed cell volume (PCV), plasma ammonia-N (PAN) and plasma Urea-N (PUN). …”
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Genetic and environmental influences on beef cattle production in Zambia. 4. Weaner production from purebred and reciprocally crossbred dams por Thorpe, W.R., Cruickshank, D.K.R., Thompson, R.

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Relationships between trypanosome infection measured by antigen detection enzyme immunoassays, anaemia and growth in trypanotolerant N'Dama cattle por Trail, J.C.M., D'Ieteren, G.D.M., Viviani, P., Yangari, G., Nantulya, V.M.

“…Relationships were evaluated between trypanosome infection as measured by antigen detection enzyme immunoassays (antigen ELISA), anaemia as determined by average packed red cell volume (PCV), and animal performance as assessed by daily weight gain in 99 N'Dama cattle in Gabon exposed to natural tsetse challenge at 11.5 months of age and recorded 14 times over a 13 week period. …”
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Cytokine mRNA profiling of peripheral blood mononuclear cells from trypanotolerant and trypanosusceptible cattle infected with Trypanosoma congolense por O'Gorman, G.M., Park, S.D.E., Hill, E.W., Meade, K.G., Mitchell, L.C., Agaba, Morris, Gibson, John P., Hanotte, Olivier H., Naessens, Jan, Kemp, Stephen J., MacHugh, David E.

“…Blood samples were collected over a 34-day period, and RNA was extracted from peripheral blood mononuclear cells. …”
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Improvement in agricultural production in a rural area of Cambodia between 2004 and 2011 - with an emphasis on small scale cattle production por Haglund, Hanna

“…An overall evaluation of the interventions was done with a focus on small-scale cattle production. Conditions and improvement in cattle production was investigated. …”

Major health problems of dairy cattle in market-oriented urban and peri-urban production systems in the central highlands of Ethiopia por Lema, M., Kassa, T., Tegegne, Azage

“…Prospective longitudinal study of major diseases of dairy cattle in Addis Ababa milk shed was conducted for a period of two years. …”
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Relationship between pharmacokinetics of ivermectin (3.15%) and its efficacy to control the infestation with the tick Rhipicephalus (Boophilus) microplus in cattle por Nava, Santiago, Rossner, Maria Victoria, Ballent, Mariana, Mangold, Atilio Jose, Lanusse, Carlos Edmundo, Lifschitz, Adrian Luis

“…These results suggest that applications of successive treatments with ivermectin 3.15% might increase its accumulation in cattle tissues, extending the withdrawal period indicated for the commercial formulation.…”
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Effect of multiple treatment of cattle with diminazene aceturate on the infectivity and transmissibility of drug-resistant Trypanosoma congolense for Glossina morsitans centralis por Diack, A., Moloo, S.K., Peregrine, A.S.

“…Six Boran cattle were infected with the drug-resistant Trypanosoma congolense IL 3338. …”
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Dietary inclusion of ruminally protected linseed oil as a means to mitigate heat and slaughter-induced stress in feedlot cattle por Ceconi, Irene, Pighin, Darío Gabriel, Davies, Patricio, Cunzolo, Sebastián Abel, Pazos, Adriana Alejandra, Grigioni, Gabriela Maria

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Crossbreeding Jersey with Ghana Shorthorn and Sokoto Gudali cattle in a tropical environment: Additive and heterotic effects for milk production, reproduction and calf growth trait... por Rege, J.E.O., Aboagye, G.S., Akah, S., Ahunu, B.K.

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Genetic evaluation of birth and weaning weight of Gudali and two-breed synthetic Wakwa beef cattle populations under selection in Cameroon: Genetic and phenotypic trends por Tawah, C.L., Rege, J.E.O., Mbah, D.A., Oumate, H.

“…Trends in sire ETAs and dam EBVs for WWT jointly accounted for estiamted genetic gains of 8.60 kg in Gudali and 20.4 kg in Wakwa over the study period. Overall correlated response in BWT during the study period was significant and negative for Wakwa. …”
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