PREDICTION OF LIVE BODY WEIGHT USING BODY MEASUREMENTS FOR JAWA BREBES (JABRES) CATTLE

Pub Date : 2020-01-01 DOI:10.36899/japs.2020.3.0065
M. Haq, I. Budisatria, P. Panjono, D. Maharani
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引用次数: 9

Abstract

Bodyweight estimation is important for any aspect of livestock management. Jabres cattle farmers use bodyweight estimation to determine the cattle price in the traditional market. Nowadays, they only use eye-based assessment to predict cattle body weight with a lot of inaccuracies. In this study, the cattle body weight was estimated based on body size measurements data, namely body length, heart girth, withers height, rump height, face length, and face width. The data were collected from Jabres cattle reared in the district of Bantarkawung, Brebes, Central Java, Indonesia. The data were taken from 521 Jabres cattle which were stratified by sex and age. Generally, male Jabres cattle have a smaller body size than female Jabres cattle and younger cattle have significant smaller body size than elder cattle. The highest correlation coefficient came from body weight and heart girth. The equation to predict body weight was obtained by multiple linear regression and factorial analysis scores followed by multiple linear regression methods. The result showed that multiple linear regression method was preferable to be used to predict body weight of Jabres cattle because of its better accuracy, better fitness, and more applicable for Jabres cattle farmers.
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用身体测量预测爪哇布里布(jabres)牛的活体重
体重估计对牲畜管理的任何方面都很重要。在传统市场上,Jabres牛农利用体重估算来确定牛的价格。现在,他们只使用基于眼睛的评估来预测牛的体重,有很多不准确的地方。本研究采用体尺测量数据,即体长、心围、肩高、臀高、脸长、脸宽,估算牛体重。数据收集自印度尼西亚中爪哇省布里布省班塔卡翁区饲养的Jabres牛。数据取自521头按性别和年龄分层的Jabres牛。一般来说,雄性Jabres牛的体型比雌性Jabres牛小,年轻的牛的体型比年长的牛小得多。相关系数最高的是体重和心脏周长。通过多元线性回归和因子分析得分得到体重预测方程,再进行多元线性回归。结果表明,多元线性回归方法预测Jabres牛体重具有较好的准确性和适应度,更适用于Jabres牛养殖户。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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