Working chute behavior of feedlot cattle can be an indication of cattle temperament and beef carcass composition and quality

被引：40

作者：

Hall, Noah L. ^{[2
]}

Buchanan, David S. ^{[3
]}

Anderson, Vernon L. ^{[3
]}

Ilse, Breanne R. ^{[3
]}

Carlin, Kasey R. ^{[1
]}

Berg, Eric P. ^{[1
]}

机构：

[1] N Dakota State Univ, NDSU Dept 7630, Dept Anim Sci, Fargo, ND 58108 USA

[2] Koch Equipment LLC, Kansas City, MO 64108 USA

[3] N Dakota State Univ, Carrington Res & Extens Ctr, Carrington, ND 58421 USA

来源：

MEAT SCIENCE | 2011年 / 89卷 / 01期

关键词：

Beef; Temperament; Tenderness; Quality; Exit velocity; EXCITABLE TEMPERAMENTS; STRESS; TENDERNESS;

D O I：

10.1016/j.meatsci.2011.03.020

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The relationship between working chute temperament and beef carcass quality traits were measured on 183 crossbred feedlot steers. Steers were weighed and sorted into 16 pens and weighed every 28 days. Temperament was evaluated as exit velocity (EV), chute score (CS), and catch score (CAPS). Tissue samples were collected for DNA profile including docility (IGENITY (R), Merial Limited, Duluth, GA, USA). Steers were harvested at 14 to 16 months of age (606 +/- 52 kg). Exit velocity increased and CS and CAPS values declined over time. Steers receiving a lower CAPS score had more marbling (P=0.02). Ribeye steaks from steers with a slow first recorded EV were more tender (P=0.02) than steaks from faster EV steers. IGENITY (R) docility index had a positive (P=0.09) correlation (r=0.15) with Warner-Bratzler shear force (WBS) indicating a higher docility index was loosely associated with tougher meat. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：52 / 57

页数：6

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