Does Small Ruminant Lentivirus Infection in Goats Predispose to Bacterial Infection of the Mammary Gland? A Preliminary Study
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Data
2021Autor
Urbańska, Daria
Puchała, Ryszard
Czopowicz, Michał
Kaba, Jarosław
Horbańczuk, Karina
Bagnicka, Emilia
Metadata
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The aim of this study was to determine whether asymptomatic small ruminant lentivirus
seropositive (SRLV-SP) goats were more susceptible to bacterial infection of the udder when lactating
by comparing the presence and species of pathogenic bacteria in their milk with the values for
seronegative goats (SRLV-SN). Milk samples were collected during morning milking on days 20, 40,
60, 150, and 210 of lactation for three consecutive years and subjected to bacteriological examination.
Staphylococcus caprae and S. xylosus were the most frequent strains identified in both SRLV-SP and
SRLV-SN goats. The prevalence of pathogenic bacteria was the highest in the 1st lactation, regardless
of SRLV status. Moreover, the prevalence of pathogenic bacteria was significantly higher in SRLV-SP
goats, but only those in the 5th or further lactation (p = 0.010). This suggests a relationship between
long-lasting SRLV infection and susceptibility to bacterial infections of the udder.
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