The effects of electron beam and gamma ray irradiation levels in spray-dried animal plasma on nursery pig performance

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dc.contributor.author Groesbeck, C.N.
dc.contributor.author DeRouchey, Joel M.
dc.contributor.author Tokach, Michael D.
dc.contributor.author Goodband, Robert D.
dc.contributor.author Nelssen, Jim L.
dc.contributor.author Dritz, Steven S.
dc.date.accessioned 2009-10-20T16:29:03Z
dc.date.available 2009-10-20T16:29:03Z
dc.date.issued 2009-10-20T16:29:03Z
dc.identifier.uri http://hdl.handle.net/2097/1882
dc.description.abstract A total of 385 pigs (initially 13.4 ± 2.2 lb and 21 ± 3 d of age) were used in a 28-d trial to determine the effects of electron beam and gamma ray irradiation dosage of spray-dried animal plasma (plasma) on nursery pig performance. Pigs were allotted to pen and blocked by weight by using an incomplete block design with either 7 or 8 replications per treatment. Dietary treatments were randomly allotted to pen within block. Ten dietary treatments were fed from d 0 to 14, including: a negative control diet with no added plasma, a positive control diet with added plasma, or one of 8 irradiated plasma diets. The 8 irradiated treatments included plasma irradiated with either electron beam or gamma radiation at increasing dosages of 2, 4, 6, or 10 kGy. All the pigs were fed a common diet from d 14 to 28. Irradiation of the plasma reduced the total bacterial and coliform counts at every dose, regardless of irradiation source. There were no interactions (P>0.05) between irradiation source and dosage for the entire trial. From d 0 to 14, pigs fed the diets containing plasma had increased (P<0.01) ADG and ADFI, compared with those of the pigs fed the negative control diet. Irradiating the plasma did not improve pig performance. There also were no differences (P>0.12) in growth performance between the pigs fed the plasma irradiated by electron beam or by gamma ray, which confirms previous research. But the majority of previous research has shown improvements in growth performance when pigs were fed diets with irradiated plasma, compared with performance of pigs fed diets containing regular plasma. Irradiation of plasma did not improve performance in this study. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 08-83-S en_US
dc.relation.isPartOf Swine day, 2006 en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 966 en_US
dc.subject Nursery pig en_US
dc.subject Spray-dried animal plasma en_US
dc.subject Irradiation en_US
dc.subject Swine en_US
dc.title The effects of electron beam and gamma ray irradiation levels in spray-dried animal plasma on nursery pig performance en_US
dc.type Conference paper en_US
dc.date.published 2006 en_US
dc.citation.epage 85 en_US
dc.citation.spage 80 en_US
dc.description.conference Swine Day, 2006, Kansas State University, Manhattan, KS, 2006 en_US
dc.contributor.authoreid jderouch en_US
dc.contributor.authoreid mtokach en_US
dc.contributor.authoreid goodband en_US
dc.contributor.authoreid dritz en_US
dc.contributor.authoreid jnelssen en_US


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