Piret Kalmus

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BACKGROUND The goal of this study was to estimate the distribution of udder pathogens and their antibiotic resistance in Estonia during the years 2007-2009. METHODS The bacteriological findings reported in this study originate from quarter milk samples collected from cows on Estonian dairy farms that had clinical or subclinical mastitis. The samples were(More)
BACKGROUND Objectives of the study were to document the impact of some management factors on the occurrence of clinical mastitis in primiparous dairy cows and to identify common udder pathogens of clinical mastitis in freshly calved heifers and multiparous cows on the day of calving. METHODS A one-year study was conducted during 2004 and 2005 in 11(More)
BACKGROUND The main objective of this study was to estimate the effect of supplementation with Saccaromyces cerevisiae (SC) (Yea-Sacc 1026) on milk production, metabolic parameters and the resumption of ovarian activity in early lactation dairy cows. METHODS The experiment was conducted during 2005/2006 in a commercial tied-house farm with an average of(More)
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