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Effect of Fasting and Transportation on Various Physiological Parameters and Meat Quality of Slaughter Hogs^1,2,3,

U.S. Department of Agriculture and University of Missouri, Columbia 65211

Abstract

Forty-nine slaughter hogs were transported and fasted or fasted with no transport for 0 (no transport), 24, 48 and 72 h. Blood samples were taken before treatments were imposed and again prior to slaughter. Soft tissues of the ham were chemically analyzed and loin samples were evaluated by a sensory panel. Fasting and transportation decreased plasma triiodothyronine and hematocrit and increased plasma osmolality. Preslaughter treatment did not affect juiciness or desirability of cooked chops or percentage of fat in the ham soft tissues. These data suggest that although fasting and transporting of slaughter hogs may disrupt homeostasis of pigs, such physiological changes do not negatively affect meat quality.

¹ Contribution from USDA-ARS in cooperation with the Univ. of Missouri Agric. Exp. Sta. Journal Series No. 10525.

² Mention of a trade name or proprietary product does not constitute a guarantee or warranty of the product by the USDA or the Univ. of Missouri Agric. Exp. Sta. and does not imply its approval to the exclusion of other products that may also be suitable.

³ The authors gratefully acknowledge the many personnel whose performance led to the successful completion of this study.

⁴ USDA-ARS, Animal Physiol. Unit, Columbia, MO.

⁵ USDA-ARS, Meat Animal Res. Center, Clay Center, NE 68933.

⁶ University of Missouri, Columbia.

This article has been cited by other articles:

				J. M. Leheska, D. M. Wulf, and R. J. Maddock Effects of fasting and transportation on pork quality development and extent of postmortem metabolism J Anim Sci, December 1, 2002; 80(12): 3194 - 3202. [Abstract] [Full Text] [PDF]