Abstract:
This study was conducted in Atbara for investigating the effect of some risk factor on prevalence of bovine mastitis infection ,the study was also investigated mastitis grade in different udder quarter. 200 sample were collected from 10 dairy farm examined with California mastitis test and then analyzed by using descriptive statistics and Chi-square. The results showed a strong positive correlation between influences factor and prevalence of mastitis infection. Whereas autumn season has a role in the prevalence of mastitis, as well the hygiene and animal cleaning had an effect, there was a positive relationship in case of the nutritional factor, that the infection was greater in the case of irregular feeding, there was a strong positive relationship between healthy milk and healthy animals,and healthy quarters of the udder. The study also revealed what is the effect of using treatment, most of the breeders tended not to use treatments or uses of alternative treatment (cold water, semsem oil). also the study stated that the fore quarter are more sensitive and prone to infection than the hind quarter of the udder.
