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Animal


Title:Pedigree analysis in the Polish Red cattle population
Author(s):Jarnecka O; Bauer EA; Jagusiak W;
Address:"Department of Genetics, Animal Breeding and Ethology, University of Agriculture in Krakow, Poland, Al. Mickiewicza 24/28, 30-059 Krakow, Poland. Department of Animal Reproduction, Anatomy and Genomics, University of Agriculture in Krakow, Poland, Al. Mickiewicza 24/28, 30-059 Krakow, Poland. Electronic address: e.bauer@ur.krakow.pl"
Journal Title:Animal
Year:2021
Volume:20210522
Issue:6
Page Number:100238 -
DOI: 10.1016/j.animal.2021.100238
ISSN/ISBN:1751-732X (Electronic) 1751-7311 (Linking)
Abstract:"The objective of this study was to describe the population structure and inbreeding level of the population of Polish Red Cattle (PRC). The structure of the breed was analysed in the context of the existing genetic resources conservation programme. The level of genetic diversity and the effective population size were also determined. The analyses were carried out based on pedigree records of 9 170 animals. Data and pedigree information were collected during the time period of 1950-2014. Records were collected by the National Research Institute of Animal Production in Balice, Poland. The population structure was analysed using the CFC programme. All the animals were grouped into five classes according to their inbreeding coefficient: the first class included non-inbred animals; and the next classes included inbred animals 0% < F 30%. The average inbreeding in PRC population was 4% and there were 2 182 (23.8%) inbred animals. The study also included the determination of ancestral paths for the PRC population. The longest ancestral path (LAP) consisted of 12 generations (three animals) while only 229 animals (2.53%) had an LAP comprising at least 10 generations. Therefore, a need exists, particularly in PRC as a small local breed, to manage selection and mating decisions to control future coancestry and inbreeding, which would lead to better handling of the effective population size. The study results showed the possibility of disrupting the balance of the structure of a small population like PRC. Hence, endangered populations need to be monitored on a continuous basis"
Keywords:Animals Cattle *Genetic Variation *Inbreeding Pedigree Poland Population Density Domestic breed Effective population size Inbreeding;
Notes:"MedlineJarnecka, O Bauer, E A Jagusiak, W eng England 2021/05/25 Animal. 2021 Jun; 15(6):100238. doi: 10.1016/j.animal.2021.100238. Epub 2021 May 22"

 
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