J. Anim Sci.
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J. Anim. Sci. 1990. 68:1030-1033
© 1990 American Society of Animal Science

UTILIZATION OF BOAR MEAT: COMPOSITION, QUALITY AND ODOR INCIDENCE IN RELATION TO ANDROSTENONE AND SKATOLE1

M. D. Judge2, E. W. Mills2,3, M. W. Orcutt2, J. C. Forrest2, M. A. Diekman2, B. G. Harmon2, R. S. Lin2 and L. L. Nicholls4,5

Purdue University, West Lafayette, IN 47907 and University of Alberta, Edmonton, Alberta T6G 2P5

Carcasses and(or) tissues of 510 boars and 510 barrows were analyzed for lean content, muscle quality, incidence of objectionable odor, 5{alpha}-androstenone concentration and skatole concentration. Boars and barrows differed (P < .01) in warm carcass weight (73.5 vs 80.1 kg), longissimus muscle area (36. vs 35. cm2), 10th rib fat depth (1.80 vs 2.57 cm), estimated percent muscle (56.1 vs 51.3%) and marbling score (1.73 vs 1.97). No difference (P > .05) was found for muscle color score (2.51 vs 2.45). Although odor panel scores were higher (P < .01) for boars than for barrows (1.74 vs 1.56), both scored quite low. The correlation coefficients between panel scores and 5{alpha}-androstenone content (.13) and between panel scores and skatole content (–.14) were nonsignificant (P > .05). These results indicate that boars reared in U.S. commercial production facilities produce lean meat more efficiently than barrows do and they have a low incidence of offensive odor. Concentration of 5{alpha}-androstenone and skatole in backfat proved unrelated to odor intensity.

Key Words: Boars • Meat • Boar Taint • Androstenone • Skatole

1 Journal Paper No. 12,008 of the Purdue Agric. Exp. Sta. Supported in part by research grants from Purina Mills, Inc., St. Louis, MO and National Pork Producers Council, Des Moines, IA. Conducted in the facilities of Murphy Farms, Rose Hill, NC and Lundy Packing Co., Clinton, NC.

2 Dept. of Anim. Sci., Purdue Univ.

3 Present address: Dept. of Dairy and Anim. Sci., Pennsylvania State Univ., University Park 16802.

4 Dept. of Anim. Sci., Univ. of Alberta.

5 Present address: Agriculture Canada, Lacombe Research Sta., Bag 500, Lacombe, Alberta TOC 1S0.

6 Waters Associates, Division of Millipore Corp, Mil-ford, MA.

7 Isco, Lincoln NE.






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Copyright © 1990 by the American Society of Animal Science.