Current Concepts of Bovine Mastitis

abnormal action acute affected agalactiae antibiotics apparently applied associated aureus bacteria barn become blocked blood BOVINE MASTITIS calves cause cause mastitis cells changes chronic clinical mastitis clots cold coliform common considered counts cows dairy detect develop disease disinfectant duct effect efficient enter environment evidence factors fected feed Figure frequently gland hands heifers herd higher important incidence increased indicate infected cows inflammation injury instances involved leads less leukocytes levels liner lining loss mammary means mechanical methods microorganisms milkers milking machines Nature normal occur operator organisms period practices prevalence preventing problem procedures produce pulsator quarter ratio reaction reduce removal resistance screening secretion severe showing skin solution sometimes Specific spread stage staphylococcal strains Streptococcus strippings studies teat cups tests tion tissue titis treat treatment udder infection units usually vaccination vacuum veterinarian widely