tailieunhanh - Báo cáo khoa học: " Anthelmintic efficacy on Parascaris equorum in foals on Swedish studs"

Tuyển tập các báo cáo nghiên cứu về bệnh học thý y được đăng trên tạp chí Acta Veterinaria Scandinavica cung cấp cho các bạn kiến thức về bệnh thú y đề tài: Anthelmintic efficacy on Parascaris equorum in foals on Swedish studs. | Acta Veterinaria Scandinavica BioMed Central Research Anthelmintic efficacy on Parascaris equorum in foals on Swedish studs Eva Osterman Lind and Dan Christensson Open Access Address National Veterinary Institute Department of Virology Immunobiology and Parasitology Section for Parasitological Diagnostics SE-751 89 Uppsala Sweden Email Eva Osterman Lind - Dan Christensson - Corresponding author Published 22 November 2009 Received 7 August 2009 . r J. . r J_ IA I inzn-rr I m r I Ar Accepted 22 November 2009 Acta Veterinaria Scandinavica 2009 51 45 doi 1751-0147-51 -45 This article is available from http content 51 1 45 2009 Lind and Christensson licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background In the last few years stud farms have experienced increasing problems with Parascaris equorum infections in foals despite intensive deworming programs. This has led to the question as to whether the anthelmintic drugs used against this parasite are failing. This study aimed to investigate the efficacy of ivermectin fenbendazole and pyrantel on the faecal output of ascarid eggs of foals. Methods A Faecal Egg Count Reduction Test FECRT was performed on nine large studs in Sweden. Anthelmintic drugs were given orally and faecal samples were examined for ascarid eggs on the day of deworming and 14 days later. Faecal Egg Count Reductions FECRs were calculated on arithmetic means of transformed individual FECRs and on arithmetic means of individual FECRs. Results Seventy-nine 48 out of a total of 165 foals sampled were positive for P. equorum eggs before deworming and 66 of these met the criteria for being used in the efficacy assessment. It was

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