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The effects of feeding sorghum dried distillers grains with solubles on finishing pig growth performance, carcass characteristics, and fat quality.
J Anim Sci. 2015 Jun; 93(6):2904-15.JA

Abstract

The objective of this study was to determine the effects of feeding sorghum dried distillers grains with solubles (DDGS) in grain sorghum– or corn-based diets on pig growth performance, carcass characteristics, and carcass fat quality. A total of 288 finishing pigs (BW 58.8 ± 4.43 kg; Line TR 4 × 1050, PIC, Hendersonville, TN) were used in a 73-d study. Pigs were allotted to 1 of 6 dietary treatments with 6 pens of 8 pigs per treatment. Treatments included grain sorghum–based diets with 0%, 15%, 30%, or 45% sorghum DDGS (29.0% CP, 7.2% ether extract); a grain sorghum–based diet with 30% corn DDGS (25.7% CP, 8.7% ether extract); and a corn-based diet with 30% corn DDGS. The diets were formulated to 0.95%, 0.83%, and 0.71% standardized ileal digestible Lys in phases 1, 2, and 3, respectively, and were not balanced for energy. On d 73, a subsample of 72 pigs (1 barrow and 1 gilt/pen) was harvested at Kansas State University’s Meats Laboratory. Carcass traits were calculated, as well as 10th-rib LM color, marbling and firmness, and fat color score. Fat samples from the 10th rib were collected and analyzed for fatty acid profile, which was used to calculate iodine value (IV). The remaining pigs were transported to a commercial packing plant (Triumph Foods, St. Joseph, MO) for carcass measurement and jowl IV determinations. Overall, increasing the dietary sorghum DDGS reduced (linear, P < 0.01) ADG and increased (linear, P < 0.01) back fat IV. Pigs fed increasing sorghum DDGS had decreased 10th-rib fat a* (less red) and b* (less yellow; P < 0.01 and 0.06, respectively). No differences were observed in growth performance or back fat IV among pigs fed corn- or grain sorghum–based diets with 30% corn DDGS. Pigs fed the grain sorghum–based diet with 30% corn DDGS had fat color that was more yellow (b*; P < 0.03) than that of pigs fed the grain sorghum–based diet with 30% sorghum DDGS. Pigs fed the grain sorghum–based diet with 30% sorghum DDGS also had decreased back fat IV (P < 0.01) and fat that was whiter (L*; P < 0.02) than that of those fed the grain sorghum–based diet with corn DDGS. Pigs fed grain sorghum with 30% sorghum DDGS had lower (P < 0.01) back fat IV than pigs fed corn with 30% corn DDGS. Feeding a grain sorghum–based diet with increasing sorghum DDGS reduces ADG when diets are not balanced for energy but, when fed at 30% of the diet, produces firmer pork fat than feeding a corn-based diet with 30% corn DDGS, which may be preferred for pork export markets.

Authors

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Pub Type(s)

Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26115277

Citation

Sotak, K M., et al. "The Effects of Feeding Sorghum Dried Distillers Grains With Solubles On Finishing Pig Growth Performance, Carcass Characteristics, and Fat Quality." Journal of Animal Science, vol. 93, no. 6, 2015, pp. 2904-15.
Sotak KM, Houser TA, Goodband RD, et al. The effects of feeding sorghum dried distillers grains with solubles on finishing pig growth performance, carcass characteristics, and fat quality. J Anim Sci. 2015;93(6):2904-15.
Sotak, K. M., Houser, T. A., Goodband, R. D., Tokach, M. D., Dritz, S. S., DeRouchey, J. M., Goehring, B. L., Skaar, G. R., & Nelssen, J. L. (2015). The effects of feeding sorghum dried distillers grains with solubles on finishing pig growth performance, carcass characteristics, and fat quality. Journal of Animal Science, 93(6), 2904-15. https://doi.org/10.2527/jas.2014-8022
Sotak KM, et al. The Effects of Feeding Sorghum Dried Distillers Grains With Solubles On Finishing Pig Growth Performance, Carcass Characteristics, and Fat Quality. J Anim Sci. 2015;93(6):2904-15. PubMed PMID: 26115277.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effects of feeding sorghum dried distillers grains with solubles on finishing pig growth performance, carcass characteristics, and fat quality. AU - Sotak,K M, AU - Houser,T A, AU - Goodband,R D, AU - Tokach,M D, AU - Dritz,S S, AU - DeRouchey,J M, AU - Goehring,B L, AU - Skaar,G R, AU - Nelssen,J L, PY - 2015/6/27/entrez PY - 2015/6/27/pubmed PY - 2016/3/8/medline SP - 2904 EP - 15 JF - Journal of animal science JO - J. Anim. Sci. VL - 93 IS - 6 N2 - The objective of this study was to determine the effects of feeding sorghum dried distillers grains with solubles (DDGS) in grain sorghum– or corn-based diets on pig growth performance, carcass characteristics, and carcass fat quality. A total of 288 finishing pigs (BW 58.8 ± 4.43 kg; Line TR 4 × 1050, PIC, Hendersonville, TN) were used in a 73-d study. Pigs were allotted to 1 of 6 dietary treatments with 6 pens of 8 pigs per treatment. Treatments included grain sorghum–based diets with 0%, 15%, 30%, or 45% sorghum DDGS (29.0% CP, 7.2% ether extract); a grain sorghum–based diet with 30% corn DDGS (25.7% CP, 8.7% ether extract); and a corn-based diet with 30% corn DDGS. The diets were formulated to 0.95%, 0.83%, and 0.71% standardized ileal digestible Lys in phases 1, 2, and 3, respectively, and were not balanced for energy. On d 73, a subsample of 72 pigs (1 barrow and 1 gilt/pen) was harvested at Kansas State University’s Meats Laboratory. Carcass traits were calculated, as well as 10th-rib LM color, marbling and firmness, and fat color score. Fat samples from the 10th rib were collected and analyzed for fatty acid profile, which was used to calculate iodine value (IV). The remaining pigs were transported to a commercial packing plant (Triumph Foods, St. Joseph, MO) for carcass measurement and jowl IV determinations. Overall, increasing the dietary sorghum DDGS reduced (linear, P < 0.01) ADG and increased (linear, P < 0.01) back fat IV. Pigs fed increasing sorghum DDGS had decreased 10th-rib fat a* (less red) and b* (less yellow; P < 0.01 and 0.06, respectively). No differences were observed in growth performance or back fat IV among pigs fed corn- or grain sorghum–based diets with 30% corn DDGS. Pigs fed the grain sorghum–based diet with 30% corn DDGS had fat color that was more yellow (b*; P < 0.03) than that of pigs fed the grain sorghum–based diet with 30% sorghum DDGS. Pigs fed the grain sorghum–based diet with 30% sorghum DDGS also had decreased back fat IV (P < 0.01) and fat that was whiter (L*; P < 0.02) than that of those fed the grain sorghum–based diet with corn DDGS. Pigs fed grain sorghum with 30% sorghum DDGS had lower (P < 0.01) back fat IV than pigs fed corn with 30% corn DDGS. Feeding a grain sorghum–based diet with increasing sorghum DDGS reduces ADG when diets are not balanced for energy but, when fed at 30% of the diet, produces firmer pork fat than feeding a corn-based diet with 30% corn DDGS, which may be preferred for pork export markets. SN - 1525-3163 UR - https://www.unboundmedicine.com/medline/citation/26115277/The_effects_of_feeding_sorghum_dried_distillers_grains_with_solubles_on_finishing_pig_growth_performance_carcass_characteristics_and_fat_quality_ L2 - https://academic.oup.com/jas/article-lookup/doi/10.2527/jas.2014-8022 DB - PRIME DP - Unbound Medicine ER -