PMID: 9524638Apr 3, 1998Paper

Effect of source of cattle and distance transported to a commercial slaughter facility on carcass bruises in mature beef cows

Journal of the American Veterinary Medical Association
D E HoffmanJ A Unruh

Abstract

To determine the effect of source of cattle and distance cattle were transported to a commercial slaughter facility on prevalence and severity of carcass bruises in mature beef cows. Epidemiologic investigation. Carcasses from 3,955 beef cows from 11 states assembled in 89 procurement lots. Each carcass was scored for bruise severity and location. Source of cattle was categorized. Distance from source to slaughter facility was determined. An ANCOVA was used to determine effects of variables on carcass bruises. Mature beef cows marketed through livestock auctions conducting first-point testing for brucellosis, especially when transported longer distances (> 325 km) to slaughter facilities, had a greater number and severity of carcass bruises than cows originating from ranches or livestock auctions not conducting first-point testing. There was an increase in number of rib bruises in cows originating from livestock auctions not conducting first-point testing. Prevalence and severity of bruises were not significantly affected by transportation distance between cows originating from auctions not conducting first-point testing and cows originating from ranches. A strong association existed between handling for brucellosis testing pri...Continue Reading

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