Genetic differentiation of the two types of Polish cold-blooded horses included in the National Conservation Program

Artur Gurgul , Igor Jasielczuk , E. Semik-Gurgul , Klaudia Pawlina-Tyszko , Tomasz Szmatoła , Polak Grażyna , Monika Bugno-Poniewierska

Abstract

The current role of the horse as a companion animal resulted in a decrease of interest in breeding and usage of draft horses. This meant that the population of cold-blooded horses in Poland has been dramatically reduced during the last decades. To avoid impoverishment of the gene pool of the local horse population, a conservation program was established which involves draft horses and other local horse breeds. The draft horses bred in Poland can be subdivided in a few horse types of which the most widespread and consolidated are Sztumski and Sokólski horses. These two subpopulations are phenotypically diversified, however, the overall level of their genetic differentiation seems to be relatively low and not precisely determined, especially with the use of molecular markers. In reference to this, in this study we used Illumina genotyping arrays to describe in detail the genetic differentiation of these two cold-blooded horse populations. We describe the genetic distance between them, as well as within-population variation, admixture patterns, and level of relatedness within populations. We also made an attempt to detect genome regions divergently selected between those horses by the detection of diversifying selection signals. The results of this study provide initial evidence supporting breeding decisions that were made during conservation breeding program design and answer questions raised by the breeders of Sokólski and Sztumski horses concerning the level of their genetic variation and differentiation
Author Artur Gurgul (VET / CfEaIM) - The National Research Institute of Animal Production
Artur Gurgul,,
- Center for Experimental and Innovative Medicine
, Igor Jasielczuk (VET / CfEaIM)
Igor Jasielczuk ,,
- Center for Experimental and Innovative Medicine
, E. Semik-Gurgul - The National Research Institute of Animal Production
E. Semik-Gurgul,,
-
, Klaudia Pawlina-Tyszko - The National Research Institute of Animal Production
Klaudia Pawlina-Tyszko,,
-
, Tomasz Szmatoła (VET) - The National Research Institute of Animal Production
Tomasz Szmatoła,,
- University Centre for Veterinary Medicine UJ-UR
, Polak Grażyna - The National Research Institute of Animal Production
Polak Grażyna,,
-
, Monika Bugno-Poniewierska (FoAS / Department of Animal Reproduction, Anatomy and Genomics)
Monika Bugno-Poniewierska,,
- Department of Animal Reproduction, Anatomy and Genomics
Journal seriesAnimals, ISSN 2076-2615, e-ISSN 2076-2615, (N/A 100 pkt)
Issue year2020
Vol10
No3
Pages1-13
Publication size in sheets0.6
Article number542
Keywords in English draft horses; genetic differentiation; selection signatures; Sokólski; Sztumski
ASJC Classification3400 General Veterinary; 1103 Animal Science and Zoology
DOIDOI:10.3390/ani10030542
URL https://www.mdpi.com/2076-2615/10/3/542/pdf
Languageen angielski
LicenseJournal (articles only); published final; Uznanie Autorstwa (CC-BY); after publication
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Genetic differentiation of the two types of Polish cold-blooded horses included in the National Conservation Program of 05-05-2020
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Score (nominal)100
Score sourcejournalList
Publication indicators WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.148; WoS Impact Factor: 2018 = 1.832 (2)
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FinansowanieThe study was financed from funds of the project: “Directions for use and conservation of livestock genetic resources in sustainable development" co-financed by the National Research and Development Center (Poland) under the Strategic Research and Development Program: "Environment, Agriculture and Forestry" – BIOSTRATEG, the decision number BIOSTRATEG2/297267/14/NCBR/2016.
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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