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논문 기본 정보

자료유형
학술저널
저자정보
Farhad Ahmadi (건국대학교 의료생명과학대학) Seong Jin Kim (Asia Pacific Ruminant Institute Icheon 17384 Korea) Deok Hwangbo (Asia Pacific Ruminant Institute) Yongik Oh (Icheon-si Agricultural Technology Center) Jisu Yu (Icheon-si Agricultural Technology Center) Jisun Bae (Asia Pacific Ruminant Institute) Na Yeon Kim (Asia Pacific Ruminant Institute)
저널정보
한국축산학회(구 한국동물자원과학회) 한국축산학회지 한국축산학회지 제63권 제5호
발행연도
2021.9
수록면
1,114 - 1,125 (12page)
DOI
10.5187/jast.2021.e98

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초록· 키워드

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Supplying a sufficient amount of high-quality colostrum is a prevailing challenge in Hanwoo calf production systems. This study aimed to describe the efficiency of a lacteal-derived colostrum replacer versus natural bovine colostrum (from Holstein) fed to Hanwoo calves. Forty newborn Hanwoo calves (25 males and 15 females; 30.7 ± 3.15 kg body weight [mean ± standard deviation]) were blocked by sex and birth weight and fed either natural colostrum or a commercial colostrum replacer. Calves displayed a narrow difference in the evolution of body weight and structural body dimensions when they received a commercial versus natural colostrum. Minor differences existed in the starter and total dry matter consumption between calves fed natural or commercial colostrum. Although the colostrum source had no significant effects on days to first diarrhea (average of 7.6 days; p = 0.17), the duration of diarrhea was longer in natural colostrum-fed calves (3.2 vs. 4.5 days; p = 0.04). Consumption of natural colostrum resulted in greater mean serum immunoglobulin G (IgG) on day 2 (14.7 vs. 10.8 ± 0.92 mg/mL) and day 7 (8.21 vs. 5.12 ± 0.82 mg/mL) of calf life, resulting in a greater proportion of commercial colostrum-fed calves (50% vs. 15%; day 2) to experience failure of passive transfer of immunity (serum IgG < cutoff point of 10 mg/mL). Overall, growth rate, body frame development, and incidence of diarrheal disease were not different in both groups. These results suggested that the colostrum replacer product tested in this study could be an alternative to natural colostrum derived from Holstein cow in securing calf growth and health in Hanwoo calf-rearing operations.

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