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: Claw and limb disorders in 12 Norwegian beef-cow herds. | Acta Veterinaria Scandinavica BioMed Central Research Open Access Claw and limb disorders in 12 Norwegian beef-cow herds Terje Fjeldaas 1 Ola Nafstad2 Bente Fredriksen2 Grethe Ringdal2 and Ảse M Sogstad1 3 Address 1Norwegian School of Veterinary Science PO Box 8146 Dep. 0033 Oslo Norway 2Animalia Norwegian Meat Research Centre PO Box 396 0kern 0513 Oslo Norway and 3Department of Norwegian Cattle Health Services TINE Norwegian Dairies PO Box 58 1431 Ảs Norway Email Terje Fjeldaas - OlaNafstad - Bente Fredriksen - Grethe Ringdal - Ảse M Sogstad - Corresponding author Published 24 September 2007 Received 16 November 2006 Accepted 24 September 2007 Acta Veterinaria Scandinavica 2007 49 24 doi 1751-0147-49-24 This article is available from http content 49 1 24 2007 Fjeldaas 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 The main aim of the study was to assess the prevalence of claw and limb disorders in Norwegian beef-cow herds. Methods Twenty-six herds with 15 cow-years were selected by computerized systematic assignment from the three most beef cattle-dense regions of Norway. The study population consisted of 12 herds with 28 heifers and 334 cows. The animals were trimmed and examined once by claw trimmers during the late winter and spring of 2003. The seven claw trimmers had been taught diagnosing and recording of claw lesions. Environment feeding and management routines age and breed culling and carcass characteristics were also recorded. Results Lameness was recorded in of the animals and only in hind claws. Pericarpal swellings were .
