tailieunhanh - Báo cáo khoa học: "Clinical mastitis in ewes; bacteriology, epidemiology and clinical features"

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: Clinical mastitis in ewes; bacteriology, epidemiology and clinical features. | Acta Veterinaria Scandinavica BioMed Central Research Open Access Clinical mastitis in ewes bacteriology epidemiology and clinical features Tormod Mork 1 Steinar Waage2 Tore Tollersrud1 Bjorg Kvitle1 and Stale Sviland1 Address department of Animal Health National Veterinary Institute PO Box 8156 Dep N-0033 Oslo Norway and department of Production Animal Clinical Sciences Norwegian School of Veterinary Science PO Box 8146 Dep N-0033 Oslo Norway Email Tormod M0rk - SteinarWaage - Tore Tollersrud - Bj0rg Kvitle - Stale Sviland - Corresponding author Published 24 September 2007 Received 8 April 2007 ATAA-7 4 0. J_ .IA I IOZ I-7CI AI A1 A A -1 - Accepted 24 September 2007 Acta Veterinaria Scandinavica 2007 49 23 doi 1751-0147-49-23 This article is available from http content 49 1 23 2007 Mork et al 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 Clinical mastitis is an important disease in sheep. The objective of this work was to identify causal bacteria and study certain epidemiological and clinical features of clinical mastitis in ewes kept for meat and wool production. Methods The study included 509 ewes with clinical mastitis from 353 flocks located in 14 of the 19 counties in Norway. Clinical examination and collection of udder secretions were carried out by veterinarians. Pulsed-field gel electrophoresis PFGE was performed on 92 Staphylococcus aureus isolates from 64 ewes. Results and conclusion S. aureus was recovered from of 547 clinically affected mammary glands coagulase-negative staphylococci from enterobacteria mainly Escherichia coli from