نتایج جستجو برای: zebu cattle
تعداد نتایج: 49864 فیلتر نتایج به سال:
No data are available concerning the seroprevalence of brucellosis in Central African Republic (CAR) and the last report concerning the seroprevalence of Q fever in CAR is from 1995. The aim of our study was to determine the prevalence of these diseases in CAR, especially in Zebu cattle. We used the Rose Bengal Plate Test to test 2032 bovine serum samples for antibodies to Brucella spp. and an ...
Observations among milk-drinking African nomads showed an unusual freedom from infection with Entamoeba histolytica compared with similar nomads taking a mixed diet. A controlled study among Maasai pastoralists showed that the administration of iron to correct their dietary iron deficiency sharply increased their susceptibility to amoebiasis. Examination of the milk of their Zebu cattle showed ...
The association of sperm antibodies with infertility in 1346 Zebu cattle, including 435 males and 911 females, was serologically investigated. Sperm antibodies were not detected in yearling animals and very few animals were positive for sperm antibodies below the age of 36 months. The proportion of animals, both males and females, with sperm antibodies increased significantly with age (P<0.001)...
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