tailieunhanh - Báo cáo khoa học: " Risk Factors for High Endoparasitic Burden and the Efficiency of a Single Anthelmintic Treatment of Danish Horses"

Tuyển tập các báo cáo nghiên cứu về bệnh thú y được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành thú y đề tài: Risk Factors for High Endoparasitic Burden and the Efficiency of a Single Anthelmintic Treatment of Danish Horses. | Acta vet. scand. 2002 43 99-106. Risk Factors for High Endoparasitic Burden and the Efficiency of a Single Anthelmintic Treatment of Danish Horses By . Larsen1 S. Lendal1 M. Chriél1 . Olsen2 and H. Bjorn3 Department of Animal Science and Animal Health Epidemiology and 2Department of Clinical Studies Large Animal Medicine The Royal Veterinary and Agricultural University Frederiksberg and 3Department of Veterinary Microbiology Danish Veterinary Institute Copenhagen Denmark. Larsen MM Lendal S Chriél M Olsen SN Bjorn H Risk factors for high endoparasitic burden and the efficiency of a single anthelmintic treatment of Danish horses. Acta vet. scand. 2002 43 99-106. - A questionnaire survey regarding endoparasite control practices in Danish horse herds was carried out in 1995. The participating veterinarians and herd owners were sampled using convenience and purposive sampling. In the analysis of risk factors for development of a high endoparasitic burden 200 eggs per gram faeces 903 horses were sampled and the analysis of the efficiency of a single anthelmintic treatment was based on 605 horses. The following factors had a significant effect on the endoparasitic burden herd type age of the horses use of pasture rotation anthelmintic treatment of horses visiting the herd use of an adviser in the planning of endoparasite control and advice regarding pasture rotation. An interaction between pasture rotation and advice regarding pasture rotation was found but due to high collinearity this was not reported. The factors influencing significantly on the reduction of the faecal egg count after a single anthelmintic treatment were the type of herd the age of the horse the drug used and the anthelmintic-resistance-status of the herd. A negative effect of permanent pastures was observed. If pasture hygiene was performed on the advice of the veterinarian the effect of a single anthelmintic treatment was less compared to a single anthelmintic treatment without any advice. An

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