نتایج جستجو برای: indigenous sistani cattle
تعداد نتایج: 80883 فیلتر نتایج به سال:
BACKGROUND Bovine tuberculosis (bTB) is a chronic debilitating disease and is a cause of morbidity and mortality in livestock, wildlife and humans. This study estimated the prevalence and risk factors associated with bovine tuberculosis transmission in indigenous cattle at the human-animal interface in the Serengeti ecosystem of Tanzania. RESULTS A total of 1,103 indigenous cattle from 32 her...
The gastrointestinal lumen can directly absorb all diand tripeptide protein degradation products, and oligopeptide absorption depends on the specific peptide transport carriers, which are located in gastrointestinal epithelial cells on the brush border membrane. Yak (Bos grunniens) use N more efficiently than cattle do, which implies that yak have a specific mechanism of nonprotein utilization ...
the physiological study was carried out to determine the relation between of risk factors and occurrence of infectious mastitis disease that associated in 453 indigenous dairy cattle in farms nearby the tehran. milk samples were collected for mastitis detection by california mastitis test (cmt) .the analysis of results revealed significant association between body weight, udders depth, teats le...
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 ...
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