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Effects of adding supplemental tallow to diets containing distillers dried grains with solubles on fatty acid digestibility in growing pigs.
J Anim Sci. 2015 Jan; 93(1):258-65.JA

Abstract

An experiment was conducted to measure the apparent ileal digestibility (AID) and apparent total tract digestibility (ATTD) of fatty acids in diets containing 0 or 30% corn distillers dried grains with solubles (DDGS) and 0, 5, or 10% tallow. Barrows (n = 24; initial BW = 25 kg) were surgically fitted with a T-cannula at the distal ileum. Pigs (n = 4/diet) were randomly assigned to diets: corn-soybean meal control (CON), CON plus 5% tallow (5T0D), CON plus 10% tallow (10T0D), CON plus 30% DDGS (0T30D), CON plus 5% tallow and 30% DDGS (5T30D), and CON plus 10% tallow and 30% DDGS (10T30D). Eight replicates per treatment were achieved by randomizing diets among pigs for a second collection period. Each pig was fed their respective diet for a 5-d adaptation period followed by 3-d fecal collection and 2-d ileal digesta collection periods. The AID and ATTD of fatty acids was calculated using the index method and acid-insoluble ash as an indigestible marker. When tallow was added to diets with 0% DDGS, there was no effect on AID of palmitic acid (C16:0) or SFA, while AID of stearic acid (C18:0) was increased (66.87% for CON, 72.06% for 5T0D, and 76.81% for 10T0D; P < 0.01). However, when diets contained 30% DDGS, the AID of all SFA was reduced as levels of tallow increased C16:0 (77.62% for 0T30D, 69.66% for 5T30D, and 68.43% for 10T30D), C18:0 (85.87% for 0T30D, 64.08% for 5T30D, and 61.25% for 10T30D), and SFA (79.88% for 0T30D, 68.23% for 5T30D, and 66.29% for 10T30D). The AID of MUFA was not affected when tallow was added to diets with 30% DDGS but actually increased in 5T0D and 10T0D. The amount of apparent ileal digested fatty acids increased with the addition of DDGS and tallow regardless of their digestibility. Amounts of ileal digested MUFA and PUFA increased when both DDGS (P < 0.01) and tallow (P < 0.01) were included in the diet compared to when either ingredient was excluded. For ileal digestible SFA, an interaction (P < 0.01) between DDGS and tallow was observed. Interactions between DDGS and tallow were observed for ATTD of all fatty acids (P < 0.01), except for linoleic acid and PUFA, which were not affected by dietary treatment. The amount of ileal digestible PUFA increased with tallow addition independent from the inclusion level of DDGS and it was a function the dietary concentration of the fatty acid. Adding tallow to corn-soybean based diets increased the amount of digested SFA, but in diets with DDGS, the increment in amount of ileal digestible SFA was less prominent due to lesser digestibility of SFA.

Authors+Show Affiliations

Department of Animal Science, University of Minnesota, St. Paul 55018.Department of Animal Science, University of Minnesota, St. Paul 55018.Southern Research and Outreach Center, University of Minnesota, Waseca 56093.West Central Research and Outreach Center, University of Minnesota, Morris 56267.Department of Animal Science, University of Minnesota, St. Paul 55018 shurs001@umn.edu.

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

25568374

Citation

Davis, J M., et al. "Effects of Adding Supplemental Tallow to Diets Containing Distillers Dried Grains With Solubles On Fatty Acid Digestibility in Growing Pigs." Journal of Animal Science, vol. 93, no. 1, 2015, pp. 258-65.
Davis JM, Urriola PE, Baidoo SK, et al. Effects of adding supplemental tallow to diets containing distillers dried grains with solubles on fatty acid digestibility in growing pigs. J Anim Sci. 2015;93(1):258-65.
Davis, J. M., Urriola, P. E., Baidoo, S. K., Johnston, L. J., & Shurson, G. C. (2015). Effects of adding supplemental tallow to diets containing distillers dried grains with solubles on fatty acid digestibility in growing pigs. Journal of Animal Science, 93(1), 258-65. https://doi.org/10.2527/jas.2014-7894
Davis JM, et al. Effects of Adding Supplemental Tallow to Diets Containing Distillers Dried Grains With Solubles On Fatty Acid Digestibility in Growing Pigs. J Anim Sci. 2015;93(1):258-65. PubMed PMID: 25568374.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of adding supplemental tallow to diets containing distillers dried grains with solubles on fatty acid digestibility in growing pigs. AU - Davis,J M, AU - Urriola,P E, AU - Baidoo,S K, AU - Johnston,L J, AU - Shurson,G C, PY - 2015/1/9/entrez PY - 2015/1/9/pubmed PY - 2016/1/12/medline KW - distillers dried grains with solubles KW - fatty acid digestibility KW - swine KW - tallow SP - 258 EP - 65 JF - Journal of animal science JO - J Anim Sci VL - 93 IS - 1 N2 - An experiment was conducted to measure the apparent ileal digestibility (AID) and apparent total tract digestibility (ATTD) of fatty acids in diets containing 0 or 30% corn distillers dried grains with solubles (DDGS) and 0, 5, or 10% tallow. Barrows (n = 24; initial BW = 25 kg) were surgically fitted with a T-cannula at the distal ileum. Pigs (n = 4/diet) were randomly assigned to diets: corn-soybean meal control (CON), CON plus 5% tallow (5T0D), CON plus 10% tallow (10T0D), CON plus 30% DDGS (0T30D), CON plus 5% tallow and 30% DDGS (5T30D), and CON plus 10% tallow and 30% DDGS (10T30D). Eight replicates per treatment were achieved by randomizing diets among pigs for a second collection period. Each pig was fed their respective diet for a 5-d adaptation period followed by 3-d fecal collection and 2-d ileal digesta collection periods. The AID and ATTD of fatty acids was calculated using the index method and acid-insoluble ash as an indigestible marker. When tallow was added to diets with 0% DDGS, there was no effect on AID of palmitic acid (C16:0) or SFA, while AID of stearic acid (C18:0) was increased (66.87% for CON, 72.06% for 5T0D, and 76.81% for 10T0D; P < 0.01). However, when diets contained 30% DDGS, the AID of all SFA was reduced as levels of tallow increased C16:0 (77.62% for 0T30D, 69.66% for 5T30D, and 68.43% for 10T30D), C18:0 (85.87% for 0T30D, 64.08% for 5T30D, and 61.25% for 10T30D), and SFA (79.88% for 0T30D, 68.23% for 5T30D, and 66.29% for 10T30D). The AID of MUFA was not affected when tallow was added to diets with 30% DDGS but actually increased in 5T0D and 10T0D. The amount of apparent ileal digested fatty acids increased with the addition of DDGS and tallow regardless of their digestibility. Amounts of ileal digested MUFA and PUFA increased when both DDGS (P < 0.01) and tallow (P < 0.01) were included in the diet compared to when either ingredient was excluded. For ileal digestible SFA, an interaction (P < 0.01) between DDGS and tallow was observed. Interactions between DDGS and tallow were observed for ATTD of all fatty acids (P < 0.01), except for linoleic acid and PUFA, which were not affected by dietary treatment. The amount of ileal digestible PUFA increased with tallow addition independent from the inclusion level of DDGS and it was a function the dietary concentration of the fatty acid. Adding tallow to corn-soybean based diets increased the amount of digested SFA, but in diets with DDGS, the increment in amount of ileal digestible SFA was less prominent due to lesser digestibility of SFA. SN - 1525-3163 UR - https://www.unboundmedicine.com/medline/citation/25568374/Effects_of_adding_supplemental_tallow_to_diets_containing_distillers_dried_grains_with_solubles_on_fatty_acid_digestibility_in_growing_pigs_ L2 - https://academic.oup.com/jas/article-lookup/doi/10.2527/jas.2014-7894 DB - PRIME DP - Unbound Medicine ER -