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논문 기본 정보

자료유형
학술저널
저자정보
Kwanghyun Cho (Korea National College of Agricultures and Fisheries) Yirim Song (Korea National College of Agricultures and Fisheries) Joon-Mo Yeo (Korea National College of Agricultures and Fisheries) Jin-Ki Park (Korea National College of Agriculture and Fisheries) Dong-Wook Kim (Korea National College of Agriculture and Fisheries) Seung-Hee Roh (National Agricultural Cooperative Federation Hanwoo Genetic Improvement Center) 성필남 (농촌진흥청 국립축산과학원) Won-Young Lee (Korea National College of Agricultures and Fisheries)
저널정보
한국축산학회(구 한국동물자원과학회) 한국축산학회지 한국축산학회지 제63권 제4호
발행연도
2021.1
수록면
759 - 765 (7page)

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초록· 키워드

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Recently, summer temperatures have frequently been abnormal in Korea owing to global warming. In summer, a decrease in feed intake rate and biological activity were observed in Hanwoo (Korean Native Cattle), leading to lower production rates in the industry. However, the precise scale of damage was not reported as with other animals of economic value. This study was conducted to investigate the effects of birth season on birth weight in Hanwoo. Data were collected from 100 local breeding farms from 2016 to 2019. A total of 41,081 Hanwoo calves were classified and analyzed by sex, year, month, and season (March?May, spring; June?August, summer; September?November, fall; and December?February, winter) of birth. The birth weight of Hanwoo calves differed according to birth month. The average birth weight of male calves was 30.47 kg and that of female calves was 28.16 kg. Hanwoo birth weight was the highest in March-born calves and the lowest in July-born calves. The birth weights of calves born in February, March, April, November, and December were significantly larger than those of calves born in July. In addition, the birth weight of Hanwoo calves from the summer was significantly lower than that of calves born in other seasons. Furthermore, Hanwoo steer slaughter age showed a negative correlation, whereas carcass weight had a positive correlation with birth weight. In the beef cattle industry, birth weight is a very important economic characteristic that is related to growth rate. These data will contribute toward planning the reproduction of Hanwoo and analysis of changes in characteristics of economic value owing to high temperatures.
#Hanwoo #Birth weight #Season #Temperature

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참고문헌 (16)

참고문헌 신청
Massimiliano Pasqui / 2019 / Climate change, future warming, and adaptation in Europe / Animal Frontiers 9(1):6~11 Crossref Umberto Bernabucci / 2019 / Climate change: impact on livestock and how can we adapt / Animal Frontiers 9(1):3~5 Crossref 박민우 / 2015 / Seasonal Variation in Carcass Characteristics of Korean Cattle Steers / Animal Bioscience 28(3):442~450 Crossref C. B. BAILEY / 1990 / BIRTH WEIGHT IN CALVES AND ITS RELATION TO GROWTH RATES FROM BIRTH TO WEANING AND WEANING TO SLAUGHTER / Canadian Journal of Animal Science 70(1):167~173 Crossref K. Meyer / 1995 / Estimates of genetic parameters for mature weight of Australian beef cows and its relationship to early growth and skeletal measures / Livestock Production Science 44(2):125~137 Crossref

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