Effectiveness of different corn dried distillers grains with solubles feeding strategies and increasing the time intervals between the second Improvest dose and slaughter of immunologically castrated pigs on belly and pork fat quality

E. K. Harris, M. A. Mellencamp, L. J. Johnston, R. B. Cox, G. C. Shurson

Research output: Contribution to journalArticle

Abstract

Effects of dried distillers grains with solubles (DDGS) feeding strategies (a corn-soybean meal (CS) fed continously; CS + 40% DDGS fed continously; CS + 40, 30, 20, or 10% DDGS in 4 phases, respectively; or CS + 40% DDGS in phases 1 to 3 and CS in phase 4 before slaughter) on belly and pork fat quality of immunologically castrated (n = 192) pigs were evaluated. All pigs received the first Improvest dose at 11 week of age, and the second dose at 9, 7, or 5 week before slaughter at 24 week of age. Increasing the time interval of the second Improvest dose before slaughter reduced IV in all fat depots and increased belly thickness. Gradually decreasing dietary DDGS and DDGS withdrawal feeding strategies reduced IV in all fat depots. Calculated IV were greater using the Meadus et al. (2010) equation compared with using the AOCS (1998) equation because it includes more long-chain unsaturated fatty acids.

LanguageEnglish (US)
Pages62-73
Number of pages12
JournalMeat Science
Volume135
DOIs
StatePublished - Jan 1 2018

Fingerprint

feeding methods
distillers grains
Soybeans
pork
Zea mays
Meals
slaughter
Swine
Fats
soybean meal
swine
corn
lipids
dosage
long chain unsaturated fatty acids
Unsaturated Fatty Acids
Red Meat

Keywords

  • Belly quality
  • Dried distillers grains with solubles
  • Feeding strategy
  • Growing-finishing pigs
  • Immunological castration
  • Pork fat quality

PubMed: MeSH publication types

  • Journal Article

Cite this

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title = "Effectiveness of different corn dried distillers grains with solubles feeding strategies and increasing the time intervals between the second Improvest dose and slaughter of immunologically castrated pigs on belly and pork fat quality",
abstract = "Effects of dried distillers grains with solubles (DDGS) feeding strategies (a corn-soybean meal (CS) fed continously; CS + 40{\%} DDGS fed continously; CS + 40, 30, 20, or 10{\%} DDGS in 4 phases, respectively; or CS + 40{\%} DDGS in phases 1 to 3 and CS in phase 4 before slaughter) on belly and pork fat quality of immunologically castrated (n = 192) pigs were evaluated. All pigs received the first Improvest dose at 11 week of age, and the second dose at 9, 7, or 5 week before slaughter at 24 week of age. Increasing the time interval of the second Improvest dose before slaughter reduced IV in all fat depots and increased belly thickness. Gradually decreasing dietary DDGS and DDGS withdrawal feeding strategies reduced IV in all fat depots. Calculated IV were greater using the Meadus et al. (2010) equation compared with using the AOCS (1998) equation because it includes more long-chain unsaturated fatty acids.",
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AU - Johnston, L. J.

AU - Cox, R. B.

AU - Shurson, G. C.

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