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- Title
Prevalence, risk factors and economic importance of infestations withSarcoptes scabieiandHaematopinus suisin sows of pig breeding farms in Hesse, Germany.
- Authors
Damriyasa, I. M.; Failing, K.; Volmer, R.; Zahner, H.; Bauer, C.
- Abstract
A cross-sectional survey was performed in 110 randomly selected pig-breeding farms of southern Hesse, Germany to estimate the prevalence of ectoparasite infestations and to find possible risk factors. Ear scrapings of, if available, 10 sows per farm were examined forSarcoptes scabieivar.suis(De Geer) (Acaridida: Sarcoptidae) by the potassium hydroxide digestion method, and a total of 2754 sows was inspected for skin lesions and infestations withHaematopinus suis(L.) (Anoplurida: Haematopinidae). Data on farm profiles and sows were collected by a questionnaire. In total, 19.1% and 2.5% of the sows were found to be infested withS. scabieiorH. suis, respectively. The percentage of mite or louse infestation was significantly higher in sows showing pruritus than in those without skin lesions. Both ectoparasite infestations were related neither to the age of sows nor their reproduction status, nor to the time interval to last ectoparasite treatment. Using farms as the unit of analysis, the estimated prevalence of mange mite and louse infestations was 45.4% and 14.5%, respectively. There was no significant association between the presence ofS. scabieiandH. suisin the farms. Risk factors forS. scabieiinfestation were mixed housing of dry and nursing sows in the same unit (vs. separate housing) and straw bedding (vs. strawless). For louse infestation, only mechanical cleaning of stable units (vs. additional use of disinfection methods) and pasturing of gilts and dry sows were identified as risk factors. The economic loss byS. scabieiinfestation in the study population was assessed at€4200 per affected farm and year on average.
- Subjects
HESSE (Germany); GERMANY; SARCOPTES scabiei; HAEMATOPINUS; HAEMATOPINIDAE; SWINE
- Publication
Medical & Veterinary Entomology, 2004, Vol 18, Issue 4, p361
- ISSN
0269-283X
- Publication type
Article
- DOI
10.1111/j.0269-283X.2004.00520.x