논문 (학술지)
Effect of single nucleotide polymorphism on the total number of piglets born per parity of three different pig breeds
| 등록번호 | RPMS-2019-0190688454 | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
SCI |
|---|---|---|---|
| 저자명 (주·공동저자) | Do Kyoung-Tag; Jung Soon-Woo; Park Kyung-Do; Na Chong-Sam | ||
| 논문구분 | 국외전문학술지 | 학술지명 | ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES |
| ISSN | 1011-2367 | 학술지 출판일자 | 2018-05-08 |
| 학술지 볼륨번호 | 31 | 논문페이지 | 628 ~ 635 |
| 학술지 임팩트팩터 | 0.971 | 기여율 | 100 % |
| DOI | 10.5713/ajas.17.0028 | ||
| 초록 | Objective: To determine the effects of genomic breeding values (GBV) and single nucleotide polymorphisms (SNP) on the total number of piglets born (TNB) in 3 pig breeds (Berkshire, Landrace, and Yorkshire). Methods: After collecting genomic information (Porcine SNP BeadChip) and phenotypic TNB records for each breed, the effects of GBV and SNP were estimated by using single step best linear unbiased prediction (ssBLUP) method. Results: The heritability estimates for TNB in Berkshire, Landrace, and Yorkshire breeds were 0.078, 0.107, and 0.121, respectively. The breeding value estimates for TNB in Berkshire, Landrace, and Yorkshire breeds were in the range of -1.34 to 1.47 heads, -1.79 to 1.87 heads, and -2.60 to 2.94 heads, respectively. Of sows having records for TNB, the reliability of breeding value for individuals with SNP information was higher than that for individuals without SNP information. Distributions of the SNP effects on TNB did not follow gamma distribution. Most SNP effects were near zero. Only a few SNPs had large effects. The numbers of SNPs with absolute value of more than 4 standard deviations in Berkshire, Landrace, and Yorkshire breeds were 11, 8, and 19, respectively. There was no SNP with absolute value of more than 5 standard deviations in Berkshire or Landrace. However, in Yorkshire, four SNPs (ASGA0089457, ASGA0103374, ALGA0111816 and ALGA0098882) had absolute values of more than 5 standard deviations. Conclusion: There was no common SNP with large effect among breeds. This might be due to the large genetic composition differences and the small size of reference population. For the precise evaluation of genetic performance of individuals using a genomic selection method, it may be necessary to establish the appropriate size of reference population. | ||
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