tailieunhanh - Báo cáo khoa học: " Is there a special mechanism behind the changes in somatic cell and polymorphonuclear leukocyte counts, and composition of milk after a single prolonged milking interval in cows"

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: Is there a special mechanism behind the changes in somatic cell and polymorphonuclear leukocyte counts, and composition of milk after a single prolonged milking interval in cows? | Acta Veterinaria Scandinavica BioMed Central Research Is there a special mechanism behind the changes in somatic cell and polymorphonuclear leukocyte counts and composition of milk after a single prolonged milking interval in cows Branislav Lakic 1 Ewa Wredle2 Kerstin Svennersten-Sjaunja2 and Karin Ostensson1 Address Department of Clinical Sciences Division of Reproduction Faculty of Veterinary Medicine and Animal Science Swedish University of Agricultural Sciences PO Box 7054 SE-750 07 Uppsala Sweden and 2Department of Animal Nutrition and Management Swedish University of Agricultural Sciences SLU Uppsala Sweden Email Branislav Lakic - Ewa Wredle - Kerstin Svennersten- Sjaunja - Karin Ostensson - Corresponding author Open Access Published 15 January 2009 Received 9 August 2008 r J. 1 I mz 1-rr I ZM z-r r I z Accepted 15 January 2009 Acta Veterinaria Scandinavica 2009 51 4 doi l75l-0l47-5l-4 This article is available from http content 5l l 4 2009 Lakic 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 A single prolonged milking interval PMI . after a technical stop in an automated milking system is of concern for the producer since it is associated with a short-lasting increase in milk somatic cell count SCC which is a major quality criterion used at the dairy plants. The content of polymorphonuclear leukocytes PMN and how the milk quality is influenced has not been much investigated. The SCC peak occurs without any obvious antigen challenge possibly indicating a different leukocyte .

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