2 documents found, page 1 of 1
Aetiology of the intramammary infections and somatic cell counts in primiparae ...
Vianna, Luís Carlos; Müller, Ernst Eckehardt; Freitas, Julio Cesar de; Pretto-Giordano, Lucienne Garcia; Salvador, Rogério; Dias, Juliana AlvesTwo hundred primiparae cows from 12 milk properties in the west region of the São Paulo state and north region of Paraná state, were studied. About the animals studied, 86 (43%), showed infections in 140 (17,56%) quarters on the seventh day after parturition. On the first 150 days of lactation, 2372 milk samples were achived. About them, 504 (21,24%) were positive according to the bacteriological test. From the...
Duration of the natural infection of the mammary gland by coagulase negative st...
Vianna, Luís Carlos; Muller, Ernst Eckehardt; Freitas, Júlio César de; Pretto-Giordano, Lucienne Garcia; Salvador, Rogério; Dias, Juliana AlvesOne hundred fourteen primiparous cows wre analized. They wre from nine milk properties of the west region of São Paulo sate. On the seventh day of lactation. 42 (36.84%) showed infections in 69 (41.07%) quarters. The main aetiologic agents of the intramammary infections on the seventh day were coagulase-negative staphylococci (CMS) with 53,62%, followed by Corynebacterium spp with 26r08% and coagulase-positive ...