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Prevalence of subclinical ketosis and relationships with postpartum diseases in European dairy cows.
Subclinical ketosis (SCK) is defined as concentrations of β-hydroxybutyrate (BHBA) ≥ 1.2 to 1.4 mmol/L and it is considered a gateway condition for other metabolic and infectious disorders such asExpand
Technical note: Validation of a system for monitoring rumination in dairy cows.
Increased rumination in dairy cattle has been associated with increased saliva production and improved rumen health. Most estimates of rumination are based on direct visual observations. Recently, anExpand
Evaluation of an electronic cowside test to detect subclinical ketosis in dairy cows.
The objective of this study was to determine the diagnostic performance of an electronic beta-hydroxybutyrate (BHBA) hand-held meter (Precision Xtra) for use in dairy cattle. Specific objectives wereExpand
Prevalence of mastitis pathogens and their resistance against antimicrobial agents in dairy cows in Brandenburg, Germany.
The primary objective of this study was to determine management practices concerning mastitis in Brandenburg, Germany, the prevalence of mastitis pathogens in dairy cows, and their resistance toExpand
Evaluation of a systemic antibiotic treatment of toxic puerperal metritis in dairy cows.
The objective of this study was to evaluate the efficacy and economic efficiency of a systemic treatment of toxic puerperal metritis in dairy cows with ceftiofur. Cows with abnormal vaginal dischargeExpand
Selected pro-inflammatory factor transcripts in bovine endometrial epithelial cells are regulated during the oestrous cycle and elevated in case of subclinical or clinical endometritis.
Endometrial cells take part in embryo-maternal communication, as well as supporting the immune system in defending against invading pathogens. The aim of the present study was to examine the mRNAExpand
Evaluation of a system for monitoring rumination in heifers and calves.
The Hi-Tag electronic rumination-monitoring system (SCR Engineers Ltd., Netanya, Israel), based on capturing audio recordings, provides a reasonable measure of rumination time in dairy cows, but hasExpand
Effect of various degrees of dystocia in dairy cattle on calf viability, milk production, fertility and culling.
The objective of this study was to analyse the effect of dystocia on calf viability, milk production, fertility and culling under field (farm) conditions in a retrospective case-control study. AExpand
Comparison of timed AI after synchronized ovulation to AI at estrus: reproductive and economic considerations.
A timed artificial insemination (TAI) protocol using OvSynch was compared to artificial insemination (AI) at detected estrus in 2 large dairy herds differing in reproductive management. Cows wereExpand
Technical note: Comparison of rectal and vaginal temperatures in lactating dairy cows.
A method commonly used to identify illness in dairy cows is measuring body temperatures with a rectal thermometer, but vaginal measures are becoming common in research. The primary objective of thisExpand
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