Effects of Extended-release Eprinomectin on Replacement Heifer Performance and Reproductive Success

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dc.contributor.author Andresen, Claire
dc.contributor.author Gunn, Patrick
dc.date 2018-08-25T21:46:15.000
dc.date.accessioned 2020-06-29T23:37:55Z
dc.date.available 2020-06-29T23:37:55Z
dc.date.copyright Mon Jan 01 00:00:00 UTC 2018
dc.date.issued 2018-01-01
dc.description.abstract <p>This study evaluated the effect of extended-release eprinomectin on production parameters and reproductive success of yearling fall replacement heifers. Heifers were treated with an ivermectin (CONV) or an injectable extended-release eprinomectin (EPR). There were no differences between treatments at initial body weight (BW). However, subsequent body weights taken 7 months and 12-months post-treatment demonstrated heavier body weight, greater overall weight gain and a greater average daily gain for heifers treated with EPR. Heifers treated with EPR had greater pregnancy rates to AI and greater overall pregnancy rates than CONV. Also, a greater proportion of EPR heifers calved in the first 21 days of the subsequent calving season. Results from this study indicate improved performance and greater reproductive success for replacement heifers treated with extended-release eprinomectin.</p>
dc.identifier archive/lib.dr.iastate.edu/ans_air/vol664/iss1/9/
dc.identifier.articleid 2324
dc.identifier.contextkey 11706039
dc.identifier.doi https://doi.org/10.31274/ans_air-180814-511
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath ans_air/vol664/iss1/9
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/9460
dc.language.iso en
dc.relation.ispartofseries Animal Science Research Reports
dc.relation.ispartofseries ASL R3211
dc.source.bitstream archive/lib.dr.iastate.edu/ans_air/vol664/iss1/9/R3211.pdf|||Sat Jan 15 02:25:15 UTC 2022
dc.subject.disciplines Animal Sciences
dc.subject.disciplines Beef Science
dc.title Effects of Extended-release Eprinomectin on Replacement Heifer Performance and Reproductive Success
dc.type article
dc.type.genre beef
dspace.entity.type Publication
relation.isJournalIssueOfPublication 296e1300-1e03-4007-b87f-b55a83478559
relation.isSeriesOfPublication 7f3839b7-b833-4418-a6fa-adda2b23950a
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