| Study of clinical mastitis in British dairy herds with bulk milk somatic cell counts less than 150,000 cells/ml. | |
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MedLine Citation:
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PMID: 12201259 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A 12-month prospective study of clinical mastitis was conducted in 482 British dairy herds with a bulk milk somatic cell count (BMSCC) of less than 150,000 cells/ml. The mean proportion of cows in the herd with clinical mastitis was 23.1 per cent (range 0 to 80), with a mean of 1.50 quarter cases per cow. The mean incidence rate of clinical mastitis was 36.7 quarter cases per 100 cow years (range 0 to 208.2). Twelve per cent of the quarter cases showed systemic signs, including inappetence and severe lethargy. Over 22 per cent of quarter cases occurred in the first seven days of lactation and over 50 per cent occurred in the first 90 days of lactation. Cluster analysis indicated that the main difference between herds with a low and average incidence of mastitis was the proportion of clinical cases occurring in the first seven days of lactation, 14 per cent compared with 44 per cent, respectively. The risk of severe clinical mastitis compared with mild clinical mastitis decreased significantly as the individual cow somatic cell count (SCC) in the month before clinical mastitis was diagnosed increased. |
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Authors:
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E J Peeler; M J Green; J L Fitzpatrick; L E Green |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Veterinary record Volume: 151 ISSN: 0042-4900 ISO Abbreviation: Vet. Rec. Publication Date: 2002 Aug |
Date Detail:
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Created Date: 2002-08-30 Completed Date: 2003-01-14 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0031164 Medline TA: Vet Rec Country: England |
Other Details:
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Languages: eng Pagination: 170-6 Citation Subset: IM |
Affiliation:
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Department of Clinical Veterinary Medicine, University of Bristol, Langford. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Cattle Cell Count / veterinary Dairying / statistics & numerical data* Data Collection Female Great Britain / epidemiology Incidence Lactation* Mastitis, Bovine / epidemiology* Prospective Studies |
| Comments/Corrections | |
Comment In:
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Vet Rec. 2002 Aug 24;151(8):248
[PMID:
12219910
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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