Pathology of udder lesions in sows.

Pathology of udder lesions in sows. Research Abstract Details 

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Pathology of udder lesions in sows. Abstract Text:

R V Christensen,B Aalbaek,H E Jensen,R V Christensen,B Aalbaek,H E Jensen,R V Christensen,B Aalbaek,H E Jensen,

In recent years an increasing frequency of sows with udder lesions has been observed during meat inspection. The frequency and pattern of affected mammary complexes were determined by inspection, palpation, and incision of udders of 640 sows at a local slaughterhouse. From representative lesions, tissue specimens were sampled for histological and bacteriological examination. Moreover, in seven problem cases immunohistochemistry was applied for the identification of Staphylococcus aureus and Arcanobacterium pyogenes. Udder lesions were recorded in 67 sows (10.5%), with mammary complex no. 7 being most frequently affected (39%). In most cases (81%), lesions were restricted to a single mammary complex. Gross lesions were characterized as focal or multiple abscesses, which most often (79%) were accompanied by dermal ulcerations. Based on histological observations and bacterial identification, two groups of lesions were identified: (I) pyogranulomatous lesions of the dermal and subcutaneous tissue caused by S. aureus; and (II) dermal and subcutaneous abscesses dominated by A. pyogenes. In neither group I nor group II lesions, the glandular mammary tissue was involved as demonstrated by immunostaining for cytokeratin, i.e. mastitis was not diagnosed in any of the cases. In conclusion, all udder lesions were caused by skin infections predominantly caused by A. pyogenes and S. aureus resulting in the development of dermal abscesses and pyogranulomatous lesions, respectively.

Pathology of udder lesions in sows. Publishing Authors By Initials

RV Christensen,B Aalbaek,HE Jensen,RV Christensen,B Aalbaek,HE Jensen,RV Christensen,B Aalbaek,HE Jensen,

For similar animal diseases: swine diseases research abstracts see: animal diseases: swine diseases research

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Pathology of udder lesions in sows. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of veterinary medicine. A, Physiology, pat

VOLUME: 54

Page Numbers: 491-3

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ISSN: 0931-184X

DAY: 26

MONTH: Nov

YEAR: 2007

Pathology of udder lesions in sows. Information

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LANGUAGE: eng

NlmUniqueID: 100955112

Pathology of udder lesions in sows. Keywords Mesh Terms:

KEYWORDS: Swine Diseases

MESH TERMS: pathology

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Grant and Affiliation Information for Pathology of udder lesions in sows.

AFFILIATION: Department of Veterinary Pathobiology, Faculty of Life Sciences, University of Copenhagen, Ridebanevej 3, DK-1870, Frederiksberg C, Denmark.

Country: Germany

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MEDLINETA: J Vet Med A Physiol Pathol Cli

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