Document Detail

Risk factors for clinical mastitis in herds with a low bulk milk somatic cell count. 2. Risk factors for Escherichia coli and Staphylococcus aureus.
MedLine Citation:
PMID:  2071714     Owner:  NLM     Status:  MEDLINE    
The incidence rate of clinical mastitis due to Escherichia coli and Staphylococcus aureus was studied in 125 herds with a low annual bulk milk somatic cell count (less than 150,000 cells/ml). Risk factors that were offered to a multivariate Poisson regression model included general management, housing, cleaning procedures, cow and cubicle cleanliness, feeds and feeding, dry cow management, milking procedures, machine milking, disease prevention, and milk production. Some differences in epidemiology between E. coli and S. aureus were observed. In the S. aureus model, more milking procedure and milking machine variables were present. The milk production, drinking water source, amount of bedding, and ventilation were other important factors in the S. aureus model. Teat disinfection was an important risk factor in the E. coli model but was much less important in the S. aureus model. Cleaning procedures were more important in the E. coli model. The main breed on the farm and percentage of cows leaking milk were other important factors in the E. coli model.
Y H Schukken; F J Grommers; D van de Geer; H N Erb; A Brand
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of dairy science     Volume:  74     ISSN:  0022-0302     ISO Abbreviation:  J. Dairy Sci.     Publication Date:  1991 Mar 
Date Detail:
Created Date:  1991-08-16     Completed Date:  1991-08-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  2985126R     Medline TA:  J Dairy Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  826-32     Citation Subset:  IM    
Department of Herd Health and Reproduction, Utrecht, The Netherlands.
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MeSH Terms
Animal Husbandry*
Cell Count / veterinary
Escherichia coli Infections / epidemiology,  etiology,  veterinary*
Mastitis, Bovine / epidemiology*,  etiology
Milk / cytology*
Poisson Distribution
Regression Analysis
Risk Factors
Staphylococcal Infections / epidemiology,  etiology,  veterinary*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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