Reduction of corn particle size in lactation diets improves sow and litter performance

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dc.contributor.author Wondra, K.J.
dc.contributor.author Kennedy, G.A.
dc.contributor.author Hines, Robert H.
dc.contributor.author Hancock, Joe D.
dc.contributor.author Behnke, Keith C.
dc.date.accessioned 2010-02-11T22:36:06Z
dc.date.available 2010-02-11T22:36:06Z
dc.date.issued 2010-02-11T22:36:06Z
dc.identifier.uri http://hdl.handle.net/2097/2553
dc.description.abstract One hundred primiparous sows were used to determine the effects of corn particle size in lactation diets on sow and litter performance. Sows were fed com-soybean mealbased diet with the com ground to 1,200, 900, 600, or 400 JLm. Particle size of corn had no influence on sow weight or backfat loss, or piglet survivability. However, feed intake and digestibilities of DM, N, and GE were increased (6, 5, 7, and 7%, respectively) as particle size was reduced from 1,200 to 400 JLm. The combination of increased feed intake and improved digestibilities resulted in increased intake of digestible nutrients. DE intake was increased 14% (13.72 to 15.60 Mcal/d) as com particle size was reduced from 1,200 to 400 JLm. Intakes of digestible DM and N were also increased (11 and 14%, respectively). The increased intake of digestible nutrients resulted in a 11% increase in litter weight gain. Reducing particle size increased severity of keratinization and lesions in the esophageal region of the stomach although all treatment averages were low to moderate, and the change was not associated with reduced sow performance. In conclusion, our data indicate that nutrient intake of sows and litter weight gains can be increased by grinding corn for lactation diets to particle sizes of 600 to 400 JLm. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine day, 1992 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 93-142-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 667 en_US
dc.subject Swine en_US
dc.subject Process en_US
dc.subject Particle Size en_US
dc.subject Sow en_US
dc.subject Lactation en_US
dc.subject Stomach ulcers en_US
dc.title Reduction of corn particle size in lactation diets improves sow and litter performance en_US
dc.type Conference paper en_US
dc.date.published 1992 en_US
dc.citation.epage 9 en_US
dc.citation.spage 6 en_US
dc.description.conference Swine Day, Manhattan, KS, November 19, 1992 en_US
dc.contributor.authoreid jhancock en_US
dc.contributor.authoreid kbfeed en_US


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