نتایج جستجو برای: indigenous cattle
تعداد نتایج: 80799 فیلتر نتایج به سال:
OBJECTIVES To describe levels of risky sexual behaviour, HIV testing and HIV knowledge among men and women in Guatemala by ethnic group and to identify adjusted associations between ethnicity and these outcomes. DESIGN Data on 16,205 women aged 15-49 and 6822 men aged 15-59 from the 2008-2009 Encuesta Nacional de Salud Materno Infantil were used to describe ethnic group differences in sexual ...
Bovine brucellosis, an important bacterial zoonosis, is usually associated with intensive systems of production. A cross-sectional study was conducted in western Ethiopia to determine the seroprevalence of bovine brucellosis in cattle undertraditional extensive husbandry. Sera collected from 1,152 cattle originating from 164 herds were screened, using the Rose Bengal test, and all positive sera...
The prevalence of Escherichia coli O157 associated with feedlot cattle in Saskatchewan was determined in a 10-month longitudinal study (3 feedlots) and a point prevalence study (20 feedlots). The prevalence of E. coli O157 at the three different sites in the horizontal study varied from 2.5 to 45%. The point prevalence of E. coli O157 among Saskatchewan cattle from 20 different feedlots ranged ...
Aim: Tsetse-transmitted animal and human trypanosomosis is considered to be one of the major constraints to improved livestock and agricultural production in sub-Saharan Africa. A cross sectional survey to determine the prevalence of trypanosomosis and identifying trypanosome species infecting cattle was conducted in Makuyuni division, Arusha region of northern Tanzania, an area where livestock...
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