Identification of genetic markers associated with milk production traits in Chinese Holstein cattle based on post genome-wide association studies
With the rapid development of dairy industry, the breeding process of dairy cows has been accelerated. In previous genome-wide association studies (GWAS), a large number of genetic markers have been reported which may contribute to the selection of Holstein populations with superior milk-producing traits, but they remain to be further verified before practical application. In this study, 90 single nucleotide polymorphisms (SNPs) were selected, which were reported to be significantly associated with five milk production traits, including 305-day milk yield (305MY), 305-day milk fat percent (305FC), 305-day milk protein percent (305PC), 305-day milk fat yield (305FY) and 305-day milk protein yield (305PY). Effective 305-day data and fresh DNA samples were obtained from 295 healthy cows with gestational age of 1-4. Matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) was used to perform precise genotyping of these loci, followed by site association and haplotype analysis. Results showed that 36 out of 90 loci were supported to be used as genetic markers. In particular, several novel and effective haplotypes were also presented. Overall, our results verified tens of useful markers and provided a basis for further development of breeding strategies.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:32 |
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| Enthalten in: |
Animal biotechnology - 32(2021), 1 vom: 19. Feb., Seite 67-76 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yang, Zhenwei [VerfasserIn] |
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| Links: |
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| Themen: |
Association analysis |
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| Anmerkungen: |
Date Completed 11.10.2021 Date Revised 11.10.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/10495398.2019.1653901 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM300345445 |
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| 520 | |a With the rapid development of dairy industry, the breeding process of dairy cows has been accelerated. In previous genome-wide association studies (GWAS), a large number of genetic markers have been reported which may contribute to the selection of Holstein populations with superior milk-producing traits, but they remain to be further verified before practical application. In this study, 90 single nucleotide polymorphisms (SNPs) were selected, which were reported to be significantly associated with five milk production traits, including 305-day milk yield (305MY), 305-day milk fat percent (305FC), 305-day milk protein percent (305PC), 305-day milk fat yield (305FY) and 305-day milk protein yield (305PY). Effective 305-day data and fresh DNA samples were obtained from 295 healthy cows with gestational age of 1-4. Matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) was used to perform precise genotyping of these loci, followed by site association and haplotype analysis. Results showed that 36 out of 90 loci were supported to be used as genetic markers. In particular, several novel and effective haplotypes were also presented. Overall, our results verified tens of useful markers and provided a basis for further development of breeding strategies | ||
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| 700 | 1 | |a Liu, Guangbin |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Ming |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Baoli |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Yongqing |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Dewu |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yaokun |e verfasserin |4 aut | |
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