Beef production from cull dairy cows: a review from culling to consumption

被引:13
|
作者
Moreira, Ligia C. [1 ]
Rosa, Guilherme J. M. [1 ]
Schaefer, Daniel M. [1 ]
机构
[1] Univ Wisconsin, Dept Anim & Dairy Sci, Madison, WI 53706 USA
关键词
carcass category; cow carcass; dairy beef; mature cow; slaughter cow; OFF-FLAVOR DESCRIPTOR; FATTY-ACID PROFILES; LONG-HAUL TRANSPORT; BODY-WEIGHT LOSS; CARCASS CHARACTERISTICS; MEAT QUALITY; MANAGEMENT-PRACTICES; GRASS-SILAGE; RISK-FACTORS; CATTLE;
D O I
10.1093/jas/skab192
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Although more than 3 million head of dairy cows enter the food supply chain in the U.S. every year, research on this topic remains limited and scarce. Meat production from dairy cows is a significant component of beef production, accounting for almost 10% of U.S. commercial beef production. Thus, the purpose of this review is to demonstrate the importance of dairy cows as a beef source, and to provide an overview on topics from farm to meat product-culling, marketing, transportation, welfare, body composition and its relationship with lactation particularities, carcass characteristics, meat quality, and traceability. Current scientific evidence has shown that culling a dairy cow at an appropriate time has beneficial effects on cow welfare and, consequently, cow value. During marketing the dairy cow is visually evaluated for health and factors associated with its expected carcass value; thus, marketing a well-conditioned cow will ensure that the animal is fit for transportation and provides high carcass yield. However, limitations such as low body condition score, lameness or mobility problems, and visual defects remain persistent. Even though beef harvest plants accommodate cows in all body composition states, the current carcass grade system does not reflect the mature cow industry needs. Therefore, improvement of the grading system could maximize carcass utilization and increase cow carcass value by recognizing subprimal cuts that could be merchandised as whole muscle cuts. Lastly, implementation of a traceability system would unify information from the farm to harvest assisting the industry in making further advancements.
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页数:18
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