Disease Impact on Carcass Composition and Meat Quality of Pigs Selected for High and Low Residual Feed Intake

A.C. Outhouse; E.T. Helm; B.M. Patterson; J.C.M. Dekkers; W.M. Rauw; K.J. Schwartz; N.K. Gabler; E. Huff-Lonergan; S.M. Lonergan

Disease Impact on Carcass Composition and Meat Quality of Pigs Selected for High and Low Residual Feed Intake

In: 63rd International Congress of Meat Science and Technology

Authors:

A.C. Outhouse

A.C. Outhouse ¹Department of Animal Science, Iowa State University (ISU), Ames, Iowa

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E.T. Helm

E.T. Helm ¹Department of Animal Science, Iowa State University (ISU), Ames, Iowa

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B.M. Patterson

B.M. Patterson ¹Department of Animal Science, Iowa State University (ISU), Ames, Iowa

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J.C.M. Dekkers

J.C.M. Dekkers ¹Department of Animal Science, Iowa State University (ISU), Ames, Iowa

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W.M. Rauw

W.M. Rauw ²Department of Genética Animal, INIA, Madrid, Spain

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K.J. Schwartz

K.J. Schwartz ³School of Veterinary Medicine, Iowa State University, Ames, Iowa; aco@iastate.edu

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N.K. Gabler

N.K. Gabler ¹Department of Animal Science, Iowa State University (ISU), Ames, Iowa

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E. Huff-Lonergan

E. Huff-Lonergan ¹Department of Animal Science, Iowa State University (ISU), Ames, Iowa

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, and

S.M. Lonergan

S.M. Lonergan ¹Department of Animal Science, Iowa State University (ISU), Ames, Iowa

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Type:: Chapter

Pages:: 210–211

DOI:: https://doi.org/10.3920/9789086868605_085

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The objective of this research was to test the hypothesis that selection for differences in feed efficiency changes the response to a disease challenge. Pigs divergently selected for low and high residual feed intake (11^th generation of ISU RFI project) were inoculated with Mycoplasma hyopneumoniae and Lawsonia intracellularis (MhLI) at approximately 68 kg live weight to elicit a dual respiratory and enteric health challenge. Pigs were grown to market weight (approximately 125 kg) and harvested using standard commercial procedures to evaluate carcass composition and meat quality. Dressing percentage from infected pigs was lower than controls. Differences in purge, color, cook loss, moisture, and protein were due to genetic line and were not impacted by the health challenge.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

Subjects
- Life Sciences

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Disease Impact on Carcass Composition and Meat Quality of Pigs Selected for High and Low Residual Feed Intake

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

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