Histopathological Studies on expermental mastits in the goat

The present investigation was performed on mas _titic mammary glands of goats which were naturally or experimentally infected.In the naturally infected cascs , gross and bacte- riological cxam i.na t Lon were perforlfled in associationwith histopathological picture.Escherichia coli was isolated from four mestitic mammary glands. Two f orms of’ nsstitis wore observed inE. coli infection, the necrotizing form and the chronic forB.Staphylococcus aureL~ was isolated from eleven mastitic amputated udders of goats. Six of these weregangrenous while the remaining five t fo ur showed acute non suppurativG inflammation and other one showedSuppuratt on •In experirilentally infe cted cas es t fifteen ad ul t lactating goats were used. The animals classified intothree groups of five animals each. The first group