Effect of diet type and added copper on growth performance, carcass characteristics, total tract digestibility, gut morphology, and mucosal mRNA expression of finishing pigs

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dc.contributor.author Coble, K.
dc.contributor.author Burnett, D.
dc.contributor.author Goodband, Robert D.
dc.contributor.author Gonzalez, John M.
dc.contributor.author Usry, J. L.
dc.contributor.author Tokach, Michael D.
dc.contributor.author Pluske, J.
dc.contributor.author DeRouchey, Joel M.
dc.contributor.author Woodworth, Jason C.
dc.contributor.author Dritz, Steven S.
dc.contributor.author Flohr, J. R.
dc.contributor.author Vaughn, M. A.
dc.date.accessioned 2016-09-20T17:40:48Z
dc.date.available 2016-09-20T17:40:48Z
dc.identifier.uri http://hdl.handle.net/2097/34124
dc.description Citation: Coble, K., Burnett, D., Goodband, R. D., Gonzalez, J. M., Usry, J. L., Tokach, M. D., . . . Vaughn, M. A. (2016). Effect of diet type and added copper on growth performance, carcass characteristics, total tract digestibility, gut morphology, and mucosal mRNA expression of finishing pigs. Journal of Animal Science, 94, 140-141. doi:10.2527/msasas2016-299
dc.description.abstract A total of 757 pigs (PIC 337 × 1050; initially 27.6 kg BW) were used in a 117-d experiment to determine the effects of added Cu (TBCC; tribasic copper chloride, IntelliBond C; Micronutrients, Inc., Indianapolis, IN) and diet type on growth performance, carcass characteristics, energy digestibility, gut morphology, and mucosal mRNA expression of finishing pigs. Pens of pigs were allotted to 1 of 4 dietary treatments, balanced on average pen weight in a randomized complete-block design with 26 to 28 pigs/pen and 7 replications/treatment. Treatments were arranged in a 2 × 2 factorial arrangement with main effects of diet type, a corn-soybean meal-based diet (corn-soy) or a high byproduct diet (byproduct) with 30% distillers dried grains with solubles (DDGS) and 15% bakery meal, and added Cu (0 (10 mg/kg basal) or 150 mg/kg added Cu). There were no Cu×diet type interactions for growth performance. Neither added Cu nor diet type significantly influenced overall growth performance, although adding Cu during the early finishing period tended to increase (P = 0.076) ADG compared to pigs fed none (0.85 vs. 0.83). However, NE caloric efficiency was improved (P = 0.001) for pigs fed the corn-soy diet compared to the byproduct diet (6.76 vs. 7.15 Mcal intake/kg BW gain). Pigs fed the corn-soy diet had improved carcass yield (P = 0.007; 74.33 vs. 73.19%) and HCW G:F (P = 0.011; 0.274 vs. 0.266), and tended to have increased HCW (P = 0.067; 94.60 vs. 92.65 kg) and HCW ADG (P = 0.056; 0.635 vs. 0.615 kg/d) compared to pigs fed the byproduct diet. A Cu×diet type interaction (P < 0.05) existed for DM and GE digestibility in phase 2 as added Cu improved digestibility of DM and GE in the corn-soy diet, but not in the byproduct diet. In phase 4, added Cu tended to increase DM and GE digestibility (P = 0.060) while pigs fed the byproduct diet had decreased DM and GE digestibility (P = 0.001) compared to the corn-soy diet. For gut morphology, pigs fed added Cu had decreased distal small intestine crypt depth (P = 0.017; 207 vs. 225 um) compared to those fed no added Cu. Furthermore, pigs fed added Cu had decreased (P = 0.032; 0.618 vs. 0.935) relative mRNA expression of intestinal fatty acid binding protein (iFABP) compared to those fed no added Cu. In summary, 150 mg/kg added TBCC did not significantly affect overall growth but did influence diet digestibility and some gut morphology or mRNA expression measurements. Feeding a high byproduct diet decreased yield, caloric efficiency, and diet digestibility.
dc.relation.uri https://doi.org/10.2527/msasas2016-299
dc.rights Copyright © 2016. American Society of Animal Science.
dc.rights.uri http://www.sherpa.ac.uk/romeo/issn/0021-8812/
dc.subject Finishing Pigs
dc.subject Copper
dc.subject Fiber
dc.subject Agriculture
dc.title Effect of diet type and added copper on growth performance, carcass characteristics, total tract digestibility, gut morphology, and mucosal mRNA expression of finishing pigs
dc.type Article
dc.date.published 2016
dc.citation.doi 10.2527/msasas2016-299
dc.citation.epage 141
dc.citation.issn 0021-8812
dc.citation.jtitle Journal of Animal Science
dc.citation.spage 140
dc.citation.volume 94
dc.description.embargo 2017-04
dc.contributor.authoreid goodband
dc.contributor.authoreid johngonz
dc.contributor.authoreid mtokach
dc.contributor.authoreid jderouch
dc.contributor.authoreid jwoodworth
dc.contributor.authoreid dritz


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