Wydanie 341(46)2 2018

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https://oa.zut.edu.pl/handle/20.500.12539/698

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    PozycjaOpen Access
    Causes for Culling and Reproductive System Disorders in Jersey Cows in the Reproductive Period
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2018) Pytlewski, Jarosław; Antkowiak, Ireneusz R.; Stanisławski, Daniel; Czerniawska-Piątkowska, Ewa; Rolińska, Karolina; Department of Animal Breeding and Product Quality Assessment, Poznań University of Life Sciences, Poland; Department of Animal Breeding and Product Quality Assessment, Poznań University of Life Sciences, Poland; Computer Lab, Poznań University of Life Sciences, Poznań, Poland; Department of Ruminant Science, West Pomeranian University of Technology, Szczecin, Poland; Department of Animal Breeding and Product Quality Assessment, Poznań University of Life Sciences, Poland
    The aim of this study was to analyse culling causes and determine reproductive health disorders in Jersey cows in the reproduction period in a herd from the Wielkopolska region. Analyses were conducted on 331 Jersey cows. The material for analyses was collected for the years 2010–2015 from the performance records of dairy cows, the AfiFarm herd management programme and veterinary inspection records. Source data concerned causes of cow culling and reproductive system disorders found in the reproduction period (i.e. from calving to successful fertilisation). Culling causes were divided based on the criterion applied by the Polish Federation of Cattle Breeders and Dairy Farmers. In this study the shares of culling causes were determined and the frequency of individual reproductive system disorders in the reproduction period were calculated in terms of the division into primiparous and multiparous cows. Sterility and reproductive system disorders were the most frequent culling causes in Jersey cows. In turn, endometritis was the most frequent reproductive disorder in cows of this breed in the reproduction period. No statistically significant relationship was found between the age group of cows (primiparous vs. multiparous) and the frequency of specific reproductive system disorders. The incidence rate of reproductive system disorders in Jersey cows in the reproduction period may most probably be reduced at a continuous improvement of environmental factors affecting these animals.