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논문 기본 정보

자료유형
학술저널
저자정보
Jae-Woong Yun (Pusan National University) Se-Yeong Park (Pusan National University) Hu-Rak Park (Pusan National University) Seung-Hoon Eum (Pusan National University) Seung-Hee Roh (National Agriculture Cooperative Federation) Jakyeom Seo (Pusan National University) Seong-Keun Cho (Pusan National University) Byeong-Woo Kim (Pusan National University)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.43 No.4
발행연도
2016.12
수록면
623 - 633 (11page)

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초록· 키워드

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A total of 6,973 steer growth records of Hanwoo breeding bull’s progeny test data collected from 1989 to 2015 were analyzed to identify the most appropriate growth curve among three growth curve models (Gompertz, Logistic and von Bertalanffy). The Gompertz growth curve model equation was W<SUB>t</SUB> = 990.5e<SUP>-2.7479e</SUP><SUP>-0.00241t</SUP>, the Logistic growth curve model equation was W<SUB>t</SUB> =772(1+8.3314e<SUP>-0.00475t</SUP>)<SUP>-1</SUP>, and the von Bertalanffy growth curve model equation wasW<SUB>t </SUB>= 1,196.4(1-0.642e <SUP>-0.00162t</SUP>)<SUP>3</SUP>. The Gompertz model parameters A, b, and k were estimated to be 990.5 ± 10.27, 2.7479 ± 0.0068, and 0.00241 ± 0.000028, respectively. The inflection point age was estimated to be 421 days and the weight of inflection point was 365.3 kg. The Logistic model parameters A, b, and k were estimated to be 772.0 ± 4.12, 8.3314 ± 0.0453, and 0.00475 ± 0.000033, respectively. The inflection point age was estimated to be 445 days and the weight of inflection point was 385.0 kg. The von Bertalanffy model parameters A, b, and k were estimated to be 1196.4 ± 18.39, 0.646 ± 0.0010, and 0.00162 ± 0.000027, respectively. The inflection point age was estimated to be 405 days and the weight of inflection point was 352.0 kg. Mature body weight of the von Bertalanffy model was 1196.4 kg, the Gompertz model was 990.5 kg, and the Logistic model was 772.0 kg. The difference between actual and estimated weights was similar in the Logistic model and the von Bertalanffy model. The difference between market weight and estimated market weight was the lowest in the Gompertz model. The growth curve using the von Bertalanffy model showed the lowest mean square error.

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Abstract
Introduction
Materials and Methods
Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-520-002299189