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Browsing Research Articles (Production Animal Studies) by UP Author "Irons, Pete Charles"
Now showing items 1-12 of 12
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Osuagwuh, Uchebuchi I.; Bagla, Victor Patrick; Venter, Estelle Hildegard; Annandale, C.H. (Cornelius Henry); Irons, Pete Charles (Elsevier, 2007-03-08)Twelve serologically negative bulls were used, six were vaccinated with a modified live LSD vaccine and six unvaccinated. All were then experimentally infected with a virulent field strain of LSDV. No clinical abnormality ...
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Fosgate, Geoffrey Theodore; Motimele, B.; Ganswindt, Andre; Irons, Pete Charles (Elsevier, 2017-09)Accurate diagnosis of pregnancy is an essential component of an effective reproductive management plan for dairy cattle. Indirect methods of pregnancy detection can be performed soon after breeding and offer an advantage ...
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Mai, H.M. (Hassan Mohammed); Irons, Pete Charles; Thompson, P.N. (Peter N.) (BioMed Central, 2015-01-20)BACKGROUND: Reproductive diseases limit the productivity of cattle worldwide and represent an important obstacle to profitable cattle enterprise. In this study, herd brucellosis and bovine genital campylobacteriosis (BGC) ...
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Irons, Pete Charles; Nothling, Johan Oliviette; Bertschinger, Hendrik Jan (Elsevier, 2007-10-01)The motivation for and process leading up to the publication of a new bull breeding soundness certification standard endorsed by the South African Veterinary Association is described. The veterinary certificate of bull ...
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Esposito, Giulia; Raffrenato, Emiliano; Lukamba, Somwe D.; Adnane, Mounir; Irons, Pete Charles; Cormican, Paul; Tasara, Taurai; Chapwanya, Aspinas (American Society of Animal Science, 2020-01-09)Periparturient diseases of dairy cows are caused by disproportionate energy metabolism, mineral imbalance, and perturbed immune function. The aim of the present study was to characterize metabolism, innate immune endometrial ...
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Chapwanya, Aspinas; Usman, Abubakar Yusha’u; Irons, Pete Charles (Springer, 2016-01)Trichomonas vaginalis and Tritrichomonas foetus are important extracellular protozoans that cause, respectively, human and bovine venereal diseases. Trichomonads are extracellular parasites that primarily inhabit the genital ...
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Holm, Dietmar Erik; Nielen, Mirjam; Jorritsma, R.; Irons, Pete Charles; Thompson, P.N. (Peter N.) (Elsevier, 2015-01)In a 7-year longitudinal study 292 Bovelder beef cows in a restricted breeding system inSouth Africa were observed from 1 to 2 days before their first breeding season, when repro-ductive tract scoring (RTS, scored from 1 ...
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Esposito, Giulia; Irons, Pete Charles; Webb, E.C. (Edward Cottington); Chapwanya, Aspinas (Elsevier, 2014-01)The biological cycles of milk production and reproduction determine dairying profitability thus making management decisions dynamic and time-dependent. Diseases also negatively impact on net earnings of a dairy enterprise. ...
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Mai, H.M. (Hassan Mohammed); Irons, Pete Charles; Kabir, Junaidu; Thompson, P.N. (Peter N.) (BioMed Central, 2012-08-25)BACKGROUND: This study was carried out to investigate the status of brucellosis in cattle under various management systems in Adamawa, Kaduna and Kano states, northern Nigeria. Using multi-stage sampling, serum samples ...
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Mai, H.M. (Hassan Mohammed); Irons, Pete Charles; Kabir, Junaidu; Thompson, P.N. (Peter N.) (BioMed Central, 2013-08-09)BACKGROUND: A survey was conducted to determine the prevalence of campylobacteriosis and trichomonosis, and their concurrence with brucellosis, in cattle in three states of northern Nigeria. METHODS: A total of 602 ...
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Holm, Dietmar Erik; Nielen, Mirjam; Jorritsma, R.; Irons, Pete Charles; Thompson, P.N. (Peter N.) (Elsevier, 2016-02)Previous reports have shown that reproductive tract score (RTS) can predict reproduction outcomes in seasonally bred beef heifers, although the accuracy can vary. Some ultrasonographic measures of the female reproductive ...
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Holm, Dietmar Erik; Thompson, P.N. (Peter N.); Irons, Pete Charles (American Society of Animal Science, 2009-03)In this study, 272 beef heifers were studied from just before their first breeding season (October 15, 2003), through their second breeding season, and until just after they had weaned their first calves in March, 2005. ...
Now showing items 1-12 of 12