tailieunhanh - Báo cáo khoa học: " Euthanasia of Danish dairy cows evaluated in two questionnaire surveys"

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: Euthanasia of Danish dairy cows evaluated in two questionnaire surveys. | Acta Veterinaria Scandinavica BioMed Central Research Euthanasia of Danish dairy cows evaluated in two questionnaire surveys Peter TThomsen and Jan Tind Sorensen Open Access Address University of Aarhus Faculty of Agricultural Sciences Department of Animal Health Welfare and Nutrition P. O. Box 50 DK-8830 Tjele Denmark Email Peter T Thomsen - JanTind Sorensen - Corresponding author Published 21 August 2008 Received 30 April 2008 Acta Veterinaria Scandinavica 2008 50 33 doi 1751-0147-50-33 Accepted 21 August 2008 This article is available from http content 50 1 33 2008 Thomsen and Sorensen 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 Mortality risk in Danish dairy cows has more than doubled since 1990 from 2 in 1990 to 5 in 2005 . Until now registrations about dead cows in the Danish Cattle Database have not included information about whether the cow died unassisted or was euthanized. Methods We interviewed a random sample of 196 Danish dairy farmers that had reported a dead cow to the Danish Cattle Database in 2002 and 196 dairy farmers that had reported a dead cow in 2006. Our objectives were to evaluate the proportion of euthanized cows changes in the behaviour of farmers regarding euthanasia of cows over the years and possible reasons for these changes. Results It seems that the threshold for euthanasia of cows among farmers has changed. Farmers generally reported a lower threshold for euthanasia compared to 5-10 years ago. Conclusion The threshold for euthanasia of cows has according to the dairy farmers become lower. This might have .