Effects of hard red winter wheat particle size in meal diets on finishing pig growth performance, diet digestibility, and caloric efficiency

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dc.contributor.author De Jong, Jon A.
dc.contributor.author DeRouchey, Joel M.
dc.contributor.author Tokach, Michael D.
dc.contributor.author Goodband, Robert D.
dc.contributor.author Woodworth, Jason C.
dc.contributor.author Paulk, Chad B.
dc.contributor.author Jones, Cassandra K.
dc.contributor.author Stark, Charles R.
dc.contributor.author Dritz, Steven S.
dc.date.accessioned 2015-04-26T16:10:45Z
dc.date.available 2015-04-26T16:10:45Z
dc.date.issued 2015-04-26
dc.identifier.uri http://hdl.handle.net/2097/19135
dc.description Swine Industry Day, 2014 is known as Swine Day, 2014 en_US
dc.description.abstract A total of 288 pigs (PIC 327 × 1050; initially 96.4 lb) were used in an 83-d study to determine the effects of hard red winter wheat particle size on finishing pig growth performance, diet digestibility, and caloric efficiency. Pens of pigs were balanced by initial BW and randomly allotted to 1 of 3 treatments with 8 pigs per pen and 12 pens per treatment. The same wheat-soybean meal–based diets were used for all treatments. Diets were fed in three phases in meal form. The 3 dietary treatments were hard red winter wheat ground with a hammer mill to 730, 580, or 330 μ. From d 0 to 40, decreasing wheat particle size decreased (linear; P < 0.05) ADFI but improved (quadratic; P < 0.05) F/G and caloric efficiency (CE), with no change in ADG. From d 40 to 83, decreasing wheat particle size increased (quadratic; P < 0.05) ADG and improved (linear; P < 0.05) F/G and CE, with no change in ADFI. Overall from d 0 to 83, decreasing wheat particle size improved (linear; P < 0.05) F/G and CE on both an ME and NE basis, with no difference in ADG or ADFI. Finally, reducing wheat particle size improved (linear; P < 0.05) DM and GE digestibility. In summary, fine-grinding hard red winter wheat was detrimental to feed intake in early finishing, but improved ADG in late finishing and improved F/G in both periods and overall. Dry matter and GE digestibility as well as CE were all improved for the overall period with fine-grinding wheat. Grinding wheat from 730 to 330 improved the caloric content on an NE basis by 100 kcal/lb. en_US
dc.language.iso en_US en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine Day, 2014 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 15-155-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 1110 en_US
dc.subject Finishing pig en_US
dc.subject Performance en_US
dc.subject Particle size en_US
dc.subject Wheat en_US
dc.title Effects of hard red winter wheat particle size in meal diets on finishing pig growth performance, diet digestibility, and caloric efficiency en_US
dc.type Conference paper en_US
dc.date.published 2014 en_US
dc.citation.epage 275 en_US
dc.citation.spage 269 en_US
dc.description.conference Swine Day, Manhattan, KS, November 20, 2014 en_US
dc.contributor.authoreid jonesc en_US
dc.contributor.authoreid crstark en_US
dc.contributor.authoreid jderouch en_US
dc.contributor.authoreid mtokach en_US
dc.contributor.authoreid goodband en_US
dc.contributor.authoreid jwoodworth en_US
dc.contributor.authoreid dritz en_US


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