Effects of time after a second dose of immunization against GnRF (Improvest) independent of age at slaughter on commercial bacon slicing characteristics of immunologically castrated barrows

M. A. Tavárez; B. M. Bohrer; R. T. Herrick; M. A. Mellencamp; R. J. Matulis; M. Ellis; D. D. Boler; A. C. Dilger

doi:10.1016/j.meatsci.2015.09.005

Effects of time after a second dose of immunization against GnRF (Improvest) independent of age at slaughter on commercial bacon slicing characteristics of immunologically castrated barrows

M. A. Tavárez, B. M. Bohrer, R. T. Herrick, M. A. Mellencamp, R. J. Matulis, M. Ellis, D. D. Boler, A. C. Dilger

Research output: Contribution to journal › Article › peer-review

Abstract

The objective was to determine the effects of time after a second dose of anti-GnRF immunization on fresh belly characteristics and slicing yields of immunologically castrated (IC) barrows, physically castrated (PC) barrows and gilts slaughtered at 24. weeks of age. The second dose was staggered so that IC barrows were slaughtered at 4, 6, 8, or 10. weeks after the second dose. Fresh belly characteristics (N = 141) were collected at slaughter and bacon was manufactured commercially. The main effects in the model were treatment and the random effects of block and block within replication. Thickness, flop distance, and lipid content increased (L; P< 0.04) and iodine value tended to decrease (L; P= 0.08) with time after the second dose in IC barrows. Slicing yields increased with time after the second dose (L; P< 0.01), but were similar ( P= 0.11) among sexes. Increasing time of slaughter after second anti-GnRF dose improves fresh belly and bacon slicing characteristics in IC barrows.

Original language	English (US)
Pages (from-to)	147-153
Number of pages	7
Journal	Meat Science
Volume	111
DOIs	https://doi.org/10.1016/j.meatsci.2015.09.005
State	Published - Jan 1 2016

Keywords

Bacon production
Immunological castration
Pigs

ASJC Scopus subject areas

Food Science

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10.1016/j.meatsci.2015.09.005

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Tavárez, M. A., Bohrer, B. M., Herrick, R. T., Mellencamp, M. A., Matulis, R. J., Ellis, M., Boler, D. D., & Dilger, A. C. (2016). Effects of time after a second dose of immunization against GnRF (Improvest) independent of age at slaughter on commercial bacon slicing characteristics of immunologically castrated barrows. Meat Science, 111, 147-153. https://doi.org/10.1016/j.meatsci.2015.09.005

Tavárez, MA, Bohrer, BM, Herrick, RT, Mellencamp, MA, Matulis, RJ, Ellis, M, Boler, DD & Dilger, AC 2016, 'Effects of time after a second dose of immunization against GnRF (Improvest) independent of age at slaughter on commercial bacon slicing characteristics of immunologically castrated barrows', Meat Science, vol. 111, pp. 147-153. https://doi.org/10.1016/j.meatsci.2015.09.005

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abstract = "The objective was to determine the effects of time after a second dose of anti-GnRF immunization on fresh belly characteristics and slicing yields of immunologically castrated (IC) barrows, physically castrated (PC) barrows and gilts slaughtered at 24. weeks of age. The second dose was staggered so that IC barrows were slaughtered at 4, 6, 8, or 10. weeks after the second dose. Fresh belly characteristics (N = 141) were collected at slaughter and bacon was manufactured commercially. The main effects in the model were treatment and the random effects of block and block within replication. Thickness, flop distance, and lipid content increased (L; P< 0.04) and iodine value tended to decrease (L; P= 0.08) with time after the second dose in IC barrows. Slicing yields increased with time after the second dose (L; P< 0.01), but were similar ( P= 0.11) among sexes. Increasing time of slaughter after second anti-GnRF dose improves fresh belly and bacon slicing characteristics in IC barrows.",

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doi = "10.1016/j.meatsci.2015.09.005",

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AU - Herrick, R. T.

AU - Mellencamp, M. A.

AU - Matulis, R. J.

AU - Ellis, M.

AU - Boler, D. D.

AU - Dilger, A. C.

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AB - The objective was to determine the effects of time after a second dose of anti-GnRF immunization on fresh belly characteristics and slicing yields of immunologically castrated (IC) barrows, physically castrated (PC) barrows and gilts slaughtered at 24. weeks of age. The second dose was staggered so that IC barrows were slaughtered at 4, 6, 8, or 10. weeks after the second dose. Fresh belly characteristics (N = 141) were collected at slaughter and bacon was manufactured commercially. The main effects in the model were treatment and the random effects of block and block within replication. Thickness, flop distance, and lipid content increased (L; P< 0.04) and iodine value tended to decrease (L; P= 0.08) with time after the second dose in IC barrows. Slicing yields increased with time after the second dose (L; P< 0.01), but were similar ( P= 0.11) among sexes. Increasing time of slaughter after second anti-GnRF dose improves fresh belly and bacon slicing characteristics in IC barrows.

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Effects of time after a second dose of immunization against GnRF (Improvest) independent of age at slaughter on commercial bacon slicing characteristics of immunologically castrated barrows

Abstract

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