Effects of rye silage on growth performance, blood characteristics, and carcass quality in finishing pigs

Seung Oh Shin, Young Keun Han, Jin Ho Cho, Hae Jin Kim, Ying Jie Chen, Jong Sang Yoo, Kwang Youn Whang, Jung Woo Kim, In Ho Kim

Research output: Contribution to journalArticle

Abstract

This experiment was conducted to evaluate effects of various periods of rye silage feeding on the growth performance, blood characteristics, and carcass quality of finishing pigs. A total of sixteen [(Landracex YorkshirexDuroc)] pigs (90.26 kg in average initial body weight) were tested in individual cages for a 30 day period. Dietary treatments included 1) CON (basal diet), 2) S10 (basal diet for 20 days and 3% rye silage for 10 days) 3) S20 (basal diet for 10 days and 3% rye silage for 20 days) and 4) S30 (3% rye silage for 30 days). There were no significant differences in the ADG and gain/feed ratio among the treatments (p>0.05), however the ADFI was higher in pigs fed the CON diet than with pigs fed diets with rye silage (p<0.05). The DM digestibility was higher with the S20 diet than with the S30 diet (p<0.05). With regard to blood characteristics, pigs fed rye silage had a significantly reduced cortisol concentration compared to pigs fed the CON diet (p<0.05). The backfat thickness was higher with the CON diet than with the S20 or S30 diets (p<0.05). Regarding the fatty acid contents of the leans, the C18:0 and total SFA were significantly higher with the CON diet than with the other diets (p<0.05). However, the C18:ln9, total MUFA and UFA/SFA levels were significantly lower with the CON diet than the other diets (p<0.05). Regarding the fatty acid contents of fat, the levels of C18:ln9 and MUFA were similar with the S20 and S30 diets, however, these levels were higher than with the CON or S10 diets (p<0.05). In conclusion, feed intake and DM digestibility were affected by rye silage, and the cortisol concentration, backfat thickness and fatty acid composition of pork were positively affected by feeding pigs rye silage.

Original languageEnglish
Pages (from-to)392-400
Number of pages9
JournalKorean Journal for Food Science of Animal Resources
Volume27
Issue number4
Publication statusPublished - 2007 Dec 1

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Silage
carcass quality
rye
silage
finishing
growth performance
Swine
Diet
swine
blood
Growth
diet
S 10
Fatty Acids
Secale
fatty acid composition
backfat
cortisol
Hydrocortisone
digestibility

ASJC Scopus subject areas

  • Food Science
  • Animal Science and Zoology

Cite this

Shin, S. O., Han, Y. K., Cho, J. H., Kim, H. J., Chen, Y. J., Yoo, J. S., ... Kim, I. H. (2007). Effects of rye silage on growth performance, blood characteristics, and carcass quality in finishing pigs. Korean Journal for Food Science of Animal Resources, 27(4), 392-400.

Effects of rye silage on growth performance, blood characteristics, and carcass quality in finishing pigs. / Shin, Seung Oh; Han, Young Keun; Cho, Jin Ho; Kim, Hae Jin; Chen, Ying Jie; Yoo, Jong Sang; Whang, Kwang Youn; Kim, Jung Woo; Kim, In Ho.

In: Korean Journal for Food Science of Animal Resources, Vol. 27, No. 4, 01.12.2007, p. 392-400.

Research output: Contribution to journalArticle

Shin, SO, Han, YK, Cho, JH, Kim, HJ, Chen, YJ, Yoo, JS, Whang, KY, Kim, JW & Kim, IH 2007, 'Effects of rye silage on growth performance, blood characteristics, and carcass quality in finishing pigs', Korean Journal for Food Science of Animal Resources, vol. 27, no. 4, pp. 392-400.
Shin, Seung Oh ; Han, Young Keun ; Cho, Jin Ho ; Kim, Hae Jin ; Chen, Ying Jie ; Yoo, Jong Sang ; Whang, Kwang Youn ; Kim, Jung Woo ; Kim, In Ho. / Effects of rye silage on growth performance, blood characteristics, and carcass quality in finishing pigs. In: Korean Journal for Food Science of Animal Resources. 2007 ; Vol. 27, No. 4. pp. 392-400.
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AU - Chen, Ying Jie

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AU - Kim, In Ho

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N2 - This experiment was conducted to evaluate effects of various periods of rye silage feeding on the growth performance, blood characteristics, and carcass quality of finishing pigs. A total of sixteen [(Landracex YorkshirexDuroc)] pigs (90.26 kg in average initial body weight) were tested in individual cages for a 30 day period. Dietary treatments included 1) CON (basal diet), 2) S10 (basal diet for 20 days and 3% rye silage for 10 days) 3) S20 (basal diet for 10 days and 3% rye silage for 20 days) and 4) S30 (3% rye silage for 30 days). There were no significant differences in the ADG and gain/feed ratio among the treatments (p>0.05), however the ADFI was higher in pigs fed the CON diet than with pigs fed diets with rye silage (p<0.05). The DM digestibility was higher with the S20 diet than with the S30 diet (p<0.05). With regard to blood characteristics, pigs fed rye silage had a significantly reduced cortisol concentration compared to pigs fed the CON diet (p<0.05). The backfat thickness was higher with the CON diet than with the S20 or S30 diets (p<0.05). Regarding the fatty acid contents of the leans, the C18:0 and total SFA were significantly higher with the CON diet than with the other diets (p<0.05). However, the C18:ln9, total MUFA and UFA/SFA levels were significantly lower with the CON diet than the other diets (p<0.05). Regarding the fatty acid contents of fat, the levels of C18:ln9 and MUFA were similar with the S20 and S30 diets, however, these levels were higher than with the CON or S10 diets (p<0.05). In conclusion, feed intake and DM digestibility were affected by rye silage, and the cortisol concentration, backfat thickness and fatty acid composition of pork were positively affected by feeding pigs rye silage.

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