Effects of increasing zinc from zinc sulfate or zinc hydroxychloride on finishing pig growth performance and carcass characteristics

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dc.contributor.author Carpenter, C. B.
dc.contributor.author Coble, K.
dc.contributor.author Woodworth, Jason C.
dc.contributor.author DeRouchey, Joel M.
dc.contributor.author Tokach, Michael D.
dc.contributor.author Goodband, Robert D.
dc.contributor.author Dritz, Steven S.
dc.contributor.author Usry, J. L.
dc.date.accessioned 2016-09-20T17:40:41Z
dc.date.available 2016-09-20T17:40:41Z
dc.identifier.uri http://hdl.handle.net/2097/34103
dc.description Citation: Carpenter, C. B., Coble, K., Woodworth, J. C., DeRouchey, J. M., Tokach, M. D., Goodband, R. D., . . . Usry, J. L. (2016). Effects of increasing zinc from zinc sulfate or zinc hydroxychloride on finishing pig growth performance and carcass characteristics. Journal of Animal Science, 94, 141-141. doi:10.2527/msasas2016-301
dc.description.abstract A variety of zinc sources are available for use in swine trace mineral premixes. However, more research is needed to compare zinc sources and dietary levels in growing and finishing pigs in a commercial environment. A total of 1008 pigs [TR4 × (Fast Large White × L02 PIC); initially 32.1 kg BW)] were used in a 103-d growth study to determine the effects of Zn source and level on finishing pig growth performance and carcass characteristics. The 6 dietary treatments were arranged as a 2 × 3 factorial with main effects of Zn source (ZnSO4 Agrium Advance Technology, Loveland, CO or Zn Hydroxychloride; IntelliBond Z®; Micronutrients, Indianapolis, IN) or level (50, 100, or 150 ppm added Zn). There was no additional Zn provided from the trace mineral premix. There were 21 pigs per pen and 8 pens per treatment. Overall, there were no Zn source × level interactions observed for ADG or ADFI, however G:F tended (linear, P = 0.069) to be poorer when pigs were fed increasing levels of Zn from ZnSO4. Overall, there were no Zn source effects for growth performance observed. For Zn level main effects, ADG was maximized (quadratic, P = 0.007) and ending BW was heaviest (quadratic, P = 0.011) when diets contained 100 ppm of Zn. Feed efficiency was poorer (linear, P = 0.006) when pigs were fed increasing levels of Zn. For carcass characteristics, pigs fed diets with Zn Hydroxychloride had heavier (P = 0.041) HCW than those fed ZnSO4. Also carcass yield increased (linear, P = 0.027) when pigs were fed increasing levels of Zn and HCW was maximized (quadratic, P = 0.006) when diets contained 100 ppm of Zn. These results suggest that a total of 100 ppm added Zn is enough to maximize ending BW, ADG and HCW, but G:F worsened as Zn level increased. Zn source did not impact growth performance; however, pigs fed Zn Hydroxychloride had increased HCW compared to those fed ZnSO4.
dc.relation.uri https://doi.org/10.2527/msasas2016-301
dc.rights Copyright © 2016. American Society of Animal Science.
dc.rights.uri http://www.sherpa.ac.uk/romeo/issn/0021-8812/
dc.subject Finishing Pig
dc.subject Zinc Sulfate
dc.subject Zinc Hydroxychloride
dc.subject Agriculture
dc.title Effects of increasing zinc from zinc sulfate or zinc hydroxychloride on finishing pig growth performance and carcass characteristics
dc.type Article
dc.date.published 2016
dc.citation.doi 10.2527/msasas2016-301
dc.citation.epage 141
dc.citation.issn 0021-8812
dc.citation.jtitle Journal of Animal Science
dc.citation.spage 141
dc.citation.volume 94
dc.description.embargo 2017-04
dc.contributor.authoreid jwoodworth
dc.contributor.authoreid jderouch
dc.contributor.authoreid mtokach
dc.contributor.authoreid goodband
dc.contributor.authoreid dritz


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