The Estimation of Genetic Parameters for Longevity According to Lactation Period Using a Multiple Trait Animal Model in Korean Holstein Cows
Longevity is closely related to the survival rate of dairy cattle and refers to the period during which the cow has economic value, from first calving to culling. The purpose of this study was to analyze the culling patterns and survival rates of Korean Holstein cows and evaluate genetic characteris...
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MDPI AG
2022-03-01
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| Online Access: | https://www.mdpi.com/2076-2615/12/6/701 |
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| author | Jiseob Shin Jaegu Lee Juhyun Cho Changgwon Dang Taejeong Choi Changhee Do Jungjae Lee Seokhyun Lee |
| author_facet | Jiseob Shin Jaegu Lee Juhyun Cho Changgwon Dang Taejeong Choi Changhee Do Jungjae Lee Seokhyun Lee |
| author_sort | Jiseob Shin |
| collection | DOAJ |
| description | Longevity is closely related to the survival rate of dairy cattle and refers to the period during which the cow has economic value, from first calving to culling. The purpose of this study was to analyze the culling patterns and survival rates of Korean Holstein cows and evaluate genetic characteristics related to parity and longevity of each lactation by using the test day milk yield collected in South Korea. The performance data of the dairy cattle were collected from 2004 to 2019 by the Nonghyup Dairy Cattle Improvement Center. The collected 1,702,304 records were used as pedigree data through the Korea Animal Improvement Association. The lactation period was divided into early-lactation (0–90 days: L1.1, L2.1, and L3.1), mid-lactation (91–299 days: L1.2, L2.2, and L3.2), and late-lactation (300 days-next parity: L1.3, L2.3, and L3.3). The heritability of longevity for the first, second, and third parity was 0.020, 0.028, and 0.039, respectively. In all parities, the heritability in late-lactation was higher than that in early- and mid-lactation. Most genetic correlations for survival in the first parity were higher than those in the second and third parities. The results of this study may serve as a basis for developing a more accurate model for evaluating longevity traits in South Korea. |
| first_indexed | 2024-03-09T13:54:15Z |
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| institution | Directory Open Access Journal |
| issn | 2076-2615 |
| language | English |
| last_indexed | 2024-03-09T13:54:15Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Animals |
| spelling | doaj.art-9d8f73c6934d42d5b69d6b070b5393fa2023-11-30T20:45:40ZengMDPI AGAnimals2076-26152022-03-0112670110.3390/ani12060701The Estimation of Genetic Parameters for Longevity According to Lactation Period Using a Multiple Trait Animal Model in Korean Holstein CowsJiseob Shin0Jaegu Lee1Juhyun Cho2Changgwon Dang3Taejeong Choi4Changhee Do5Jungjae Lee6Seokhyun Lee7Dairy Cattle Improvement Center of NH-Agree Business Group, NACF, Goyang 10292, Gyeonggi-do, KoreaNational Institute of Animal Science, RDA, Cheonan 31000, Chungcheongnam-do, KoreaDairy Cattle Improvement Center of NH-Agree Business Group, NACF, Goyang 10292, Gyeonggi-do, KoreaNational Institute of Animal Science, RDA, Cheonan 31000, Chungcheongnam-do, KoreaNational Institute of Animal Science, RDA, Cheonan 31000, Chungcheongnam-do, KoreaDivision of Animal and Dairy Science, College of Agriculture and Life Sciences, Chungnam National University, Daejeon 34134, Chungcheongnam-do, KoreaDepartment of Animal Science and Technology, College of Biotechnology and Natural Resources, Chung-Ang University, Anseong 17546, Gyeonggi-do, KoreaDairy Cattle Improvement Center of NH-Agree Business Group, NACF, Goyang 10292, Gyeonggi-do, KoreaLongevity is closely related to the survival rate of dairy cattle and refers to the period during which the cow has economic value, from first calving to culling. The purpose of this study was to analyze the culling patterns and survival rates of Korean Holstein cows and evaluate genetic characteristics related to parity and longevity of each lactation by using the test day milk yield collected in South Korea. The performance data of the dairy cattle were collected from 2004 to 2019 by the Nonghyup Dairy Cattle Improvement Center. The collected 1,702,304 records were used as pedigree data through the Korea Animal Improvement Association. The lactation period was divided into early-lactation (0–90 days: L1.1, L2.1, and L3.1), mid-lactation (91–299 days: L1.2, L2.2, and L3.2), and late-lactation (300 days-next parity: L1.3, L2.3, and L3.3). The heritability of longevity for the first, second, and third parity was 0.020, 0.028, and 0.039, respectively. In all parities, the heritability in late-lactation was higher than that in early- and mid-lactation. Most genetic correlations for survival in the first parity were higher than those in the second and third parities. The results of this study may serve as a basis for developing a more accurate model for evaluating longevity traits in South Korea.https://www.mdpi.com/2076-2615/12/6/701longevityKoreanHolstein |
| spellingShingle | Jiseob Shin Jaegu Lee Juhyun Cho Changgwon Dang Taejeong Choi Changhee Do Jungjae Lee Seokhyun Lee The Estimation of Genetic Parameters for Longevity According to Lactation Period Using a Multiple Trait Animal Model in Korean Holstein Cows Animals longevity Korean Holstein |
| title | The Estimation of Genetic Parameters for Longevity According to Lactation Period Using a Multiple Trait Animal Model in Korean Holstein Cows |
| title_full | The Estimation of Genetic Parameters for Longevity According to Lactation Period Using a Multiple Trait Animal Model in Korean Holstein Cows |
| title_fullStr | The Estimation of Genetic Parameters for Longevity According to Lactation Period Using a Multiple Trait Animal Model in Korean Holstein Cows |
| title_full_unstemmed | The Estimation of Genetic Parameters for Longevity According to Lactation Period Using a Multiple Trait Animal Model in Korean Holstein Cows |
| title_short | The Estimation of Genetic Parameters for Longevity According to Lactation Period Using a Multiple Trait Animal Model in Korean Holstein Cows |
| title_sort | estimation of genetic parameters for longevity according to lactation period using a multiple trait animal model in korean holstein cows |
| topic | longevity Korean Holstein |
| url | https://www.mdpi.com/2076-2615/12/6/701 |
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