نتایج جستجو برای: namibia
تعداد نتایج: 2486 فیلتر نتایج به سال:
Until the middle of the 19th century, very few references exist regarding the occurrence of animal diseases in Namibia. With the introduction of contagious bovine pleuropneumonia (CBPP) in 1859, this picture changed completely and livestock owners implemented various forms of disease control in an effort to contain the spread of this disease and minimise its devastating effects. After the e...
Following several clinical cases of suspected bovine virus diarrhoea (BVD) on three Namibian cattle farms, a serological survey was conducted on bovine, ovine, caprine and wild ruminant sera originating from different regions of the country. Neutralizing antibodies to BVD virus (BVDV) were detected in 58% of 1,014 cattle sera, 14% of 618 sheep sera and 4.6% of 1,118 goat sera. Sera from seven o...
Marital pattern in a Namibian society is predominantly of never married women, and the rates are increasing, while the proportion of those getting married is falling, nevertheless, these proportions decline as age increases. Quantitative research revealed differences in marital status by place of residence, education level and age group suggesting that aspects of culture, marriage practices and...
Abstract Extensive morphological and age studies on more than 4600 detrital zircon grains recovered from modern sands of Namibia reveal complex mechanisms sediment transport. These data are further supplemented by a database containing 100,000 single grain analyses the entire southern Africa allow for hypothesising large Southern Namibian Sediment Vortex located between Damara Orogen Orange Riv...
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