[Field trial on treatment of clinical mastitis with a third generation cephalosporin intramammary product [in cattle]]

analisi statistica analyse statistique antibiotici antibiotics antibiotique cefalosporina cefalosporinas cephalosporine cephalosporins dairy cows diagnosi diagnosis diagnostic lactation lattazione mammite mastite mastitis secretion sintomi statistical analysis symptome symptoms terapia therapy vacas lecheras veterinari veterinarians veterinarios