Relationship between teat-end condition, udder cleanliness and bovine subclinical mastitis

Relationship between teat-end condition, udder cleanliness and bovine subclinical mastitis

The aims of the present study were to relate intramammary infection (IMI) occurrence and somatic cell count (SCC) with teat-end condition (TEC) and udder cleanliness (UC). Milk samples from 1931 teats were evaluated according to the presence of IMI and SCC. Scores were applied to teats according to...

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Bibliographic Details
Published in:Research in veterinary science Vol. 93; no. 1; pp. 430 - 434
Main Authors: de Pinho Manzi, Marcela, Nóbrega, Diego Borin, Faccioli, Patrícia Yoshida, Troncarelli, Marcella Zampolli, Menozzi, Benedito Donizete, Langoni, Hélio
Format: Journal Article
Language:English
Published: England Elsevier India Pvt Ltd 01-08-2012
Elsevier Limited
Subjects:
Animals
Asymptomatic Infections
Bacterial infections
Bovine mastitis
Cattle
Classification
Confidence intervals
Dairy farms
Farms
Female
Food contamination & poisoning
Infections
Mammary Glands, Animal - anatomy & histology
Mammary Glands, Animal - microbiology
Mastitis, Bovine - etiology
Mastitis, Bovine - microbiology
Microorganisms
Milk
Nipples - anatomy & histology
Nipples - microbiology
Risk Factors
Teat-end condition
Udder cleanliness
Veterinary medicine
Bovine mastitis
Udder cleanliness
Teat-end condition
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Summary:The aims of the present study were to relate intramammary infection (IMI) occurrence and somatic cell count (SCC) with teat-end condition (TEC) and udder cleanliness (UC). Milk samples from 1931 teats were evaluated according to the presence of IMI and SCC. Scores were applied to teats according to the TEC and to UC. Teats ends with a very rough ring had the largest number of IMI when compared to the other three categories, as well as animals with dirtier udders. The change in a TEC score increased by around 30% the chance of IMI. Also, the chance of the animal developing IMI increased by approximately 47% when the UC score increased. No significant association between both scores and quarter SCC was found. It can be concluded that animals with very rough teat end rings and very dirty udders have a greater predisposition to IMI.
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ISSN:0034-5288
1532-2661
DOI:10.1016/j.rvsc.2011.05.010