Some epidemiological studies on mastitis among goats

In this study a total number of 100 normal and mastitic she-goats weresubjected to general clinical inspection and special udder examination formastitis.Form 72 animals 144 milk samples were collected from apparentlyhealthy halves, and were examiend by chemical tests (california mastitis test and Modified white side test); somatic cell count and bacteriologically to detectsubclinical mastitis in goats.These samples showed positive reaction for california mastitis test(77.76%) and for Modified white side test (67.35%) . At the same time (CMT)revealed false positive results in (13.88%) and false negative results in(10.41 %). Also (MWST) showed false positive results in (9.72%) and falsenegative results in (16.66%) .Concerning to results of somatic cell counts, the results revealed thatsamples had a somatic cell count up to 5 x 104 cells/ml were bacteriologicallynegative, while those of over than 5 x 104 cells/m! were bacteriologicallypositive.Bacteriological examination of these milk samples revealed the presenceof mastitis causative microorganisms in (74.3%) of the examined samples.