Cow Body Shape and Automation of Condition Scoring

被引:65
作者
Halachmi, I. [1 ]
Polak, P. [2 ]
Roberts, D. J. [3 ]
Klopcic, M. [4 ]
机构
[1] Agr Res Org, Volcani Ctr, Inst Agr Sci, IL-50250 Bet Dagan, Israel
[2] Slovak Agr Res Ctr, Res Inst Anim Prod, Nitra 94992, Slovakia
[3] Scottish Agr Coll, Ctr Dairy Res, Crichton Royal Farm, Dumfries DG1 4SZ, Scotland
[4] Univ Ljubljana, Biotech Fac, Dept Anim Sci, Domzale 1230, Slovenia
关键词
body condition scoring; thermal camera; dairy cow; image processing;
D O I
10.3168/jds.2007-0785
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
The feasibility of including a body shape measure in methods for automatic monitoring of body reserves of cattle was evaluated. The hypothesis tested was that the body shape of a fatter cow is rounder than that of a thin cow and, therefore, may better fit a parabolic shape. An image-processing model was designed that calculates a parameter to assess body shape. The model was implemented, and its outputs were validated against ultrasonic and thermal camera measurements of the thickness of fat and muscle layers, and manual body condition scoring of 186 Holstein-Friesian cows. The thermal camera overcomes some of the drawbacks of a regular camera; the hooks and the tailhead nadirs of a thin cow diverged from the parabolic shape. The correlation between thermal camera's measurements and fat and muscle thickness was 0.47. Mean body condition scorings were 2.18, 2.15, and 2.23, with no significant difference found across the assessment methods. Further research is needed to achieve fully automatic, accurate body condition scoring.
引用
收藏
页码:4444 / 4451
页数:8
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