Prevalence of intramammary infections in primigravid Brazilian dairy heifers

Mammary-gland secretions from 467 quarters of 120 primigravid purebred and crossbred Holstein heifers from six dairy herds were collected; 96 (80%) of the heifers had intramammary infections and 57% of the quarters were infected. Staphylococcus spp. were isolated from 230 (49%) quarters. Other micro...

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Published inPreventive veterinary medicine Vol. 29; no. 2; pp. 151 - 155
Main Authors da Costa, E.O., Melville, P.A., Ribeiro, A.R., Watanabe, E., Viani, F.C., White, C.R.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.12.1996
Subjects
BOVIN LAITIER
BRASIL
BRAZIL
BRESIL
DAIRY CATTLE
ENFERMEDADES GLANDULAS MAMARIAS
GANADO DE LECHE
GENISSE
Heifer
HEIFERS
INFECCION
INFECTION
Intramammary infection
MALADIE DES GLANDES MAMMAIRES
MAMMARY GLAND DISEASES
MICROORGANISME
MICROORGANISMOS
MICROORGANISMS
MORBIDITE
MORBIDITY
MORBOSIDAD
NOVILLA
Primigravid
Primigravid
Heifer
Intramammary infection
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Summary:Mammary-gland secretions from 467 quarters of 120 primigravid purebred and crossbred Holstein heifers from six dairy herds were collected; 96 (80%) of the heifers had intramammary infections and 57% of the quarters were infected. Staphylococcus spp. were isolated from 230 (49%) quarters. Other microorganisms commonly isolated from secretion samples were: Corynebacterium sp. (33 quarters, 7%) and Streptococcus (21 quarters, 4%). Enterobacteriaceae ( Escherichia coli, Klebsiella spp.) were isolated from eight (2%) samples.
Bibliography:L73
1997003655
ISSN:0167-5877
1873-1716
DOI:10.1016/S0167-5877(96)01072-0