Linear effects of increasing weaning age in three-site production

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dc.contributor.author Main, R.G.
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 2010-02-08T18:02:59Z
dc.date.available 2010-02-08T18:02:59Z
dc.date.issued 2010-02-08T18:02:59Z
dc.identifier.uri http://hdl.handle.net/2097/2475
dc.description.abstract Two studies were conducted to measure the biologic and economic effects of weaning age in a three-site production system. Wean-to-finish growth and financial performance improved linearly as weaning age increased up to 21.5 days. Data from these trials were modeled to determine the linear rates of improvement observed as weaning age increased from 15 to 21.5 days. Each day increase in weaning age increased initial weight (taken prior to weaning) 0.565 ± 0.009 lb and weight sold to slaughter 3.71 ± 0.32 lb per pig weaned. In the financial analysis, income over cost increased $0.94 ± 0.07 per wean age d in the limited finishing space scenario and $0.53 ± 0.06 per wean age d in the non-limited space scenario. Therefore, if finishing space is limited, increasing weaning age from 16 to 19 d is predicted to improve income over cost by $2.82 per pig. These rates of improvement can be used to model the effects of weaning age on wean-to-finish throughput and financial performance in a three-site production system. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine day, 2002 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 03-120-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 897 en_US
dc.subject Weaning age en_US
dc.subject Throughput en_US
dc.subject Economics en_US
dc.subject Swine en_US
dc.title Linear effects of increasing weaning age in three-site production en_US
dc.type Conference paper en_US
dc.date.published 2002 en_US
dc.citation.epage 19 en_US
dc.citation.spage 17 en_US
dc.description.conference Swine Day, Manhattan, KS, November 14, 2002 en_US
dc.contributor.authoreid dritz en_US
dc.contributor.authoreid mtokach en_US
dc.contributor.authoreid goodband en_US
dc.contributor.authoreid jnelssen en_US


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