Estrous expression of sows after altered suckling and boar exposure

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dc.contributor.author Newton, E.A.
dc.contributor.author Stevenson, Jeffrey S.
dc.contributor.author Davis, Duane L.
dc.date.accessioned 2010-04-19T17:18:05Z
dc.date.available 2010-04-19T17:18:05Z
dc.date.issued 2010-04-19T17:18:05Z
dc.identifier.uri http://hdl.handle.net/2097/3658
dc.description.abstract In two different experiments, we studied the influence of: 1) separating litters from their dams (altered suckling) during the last 8 days of lactation, which included a change in housing and social interaction with other sows; 2) providing boar exposure (1 hr/d); and 3) parity on the ability of sows to come into heat during lactation and after weaning. Our studies indicated that: 1) 6 hr of altered suckling and 1 hr of boar exposure may shorten the interval to heat for sows that express estrus during lactation, but 3 hr of altered suckling and 1 h of boar exposure are sufficient to induce estrus in 65 to 79% of the sows; 2) boar exposure (1 hr /day) of sows is not sufficient to induce estrus during lactation; 3) pre weaning boar exposure (1 hr/day) reduced intervals to heat after weaning; and 4) breed composition and season may alter the responsiveness of sows to treatments that induce estrus during lactation and after weaning. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine day, 1987 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 88-125-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 528 en_US
dc.subject Swine en_US
dc.subject Estrous en_US
dc.subject Sows en_US
dc.subject Boar en_US
dc.title Estrous expression of sows after altered suckling and boar exposure en_US
dc.type Conference paper en_US
dc.date.published 1987 en_US
dc.citation.epage 26 en_US
dc.citation.spage 24 en_US
dc.description.conference Swine Day, Manhattan, KS, November 19, 1987 en_US
dc.contributor.authoreid jss en_US
dc.contributor.authoreid davis en_US


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