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Effects of chlortetracycline administration on the health status and performance of sows: Results of a field trial
dc.creator | Sbiraki, A. P. | en |
dc.creator | Saoulidis, K. | en |
dc.creator | Kyriakis, S. C. | en |
dc.creator | Saratsis, P. | en |
dc.creator | Alexopoulos, C. | en |
dc.creator | Fthenakis, G. C. | en |
dc.date.accessioned | 2015-11-23T10:47:05Z | |
dc.date.available | 2015-11-23T10:47:05Z | |
dc.date.issued | 2003 | |
dc.identifier.issn | 1537209X | |
dc.identifier.uri | http://hdl.handle.net/11615/32924 | |
dc.description.abstract | Objectives: To investigate the effects of in-feed chlortetracycline (CTC) during lactation on health status and reproductive performance of gilts or sows in a herd with a history of porcine reproductive and respiratory syndrome; to evaluate health status and performance of the piglets born to these females; and to investigate health status and reproductive performance of the same sows during the subsequent lactation period, when no in-feed CTC was administered. Methods: Two groups of 200 gilts or sows were monitored for two consecutive breeding cycles (phases). During Phase 1, the CTC+ group received CTC in the feed (10 g per animal daily) from 5 days before farrowing until the first service after weaning. The CTC- group received non-medicated feed. During Phase 2, both groups received non-medicated feed. Results: Rates of occurrence of poor appetite and vaginal discharges were lower for the CTC+ group during both phases, and rates of occurrence of clinical mastitis, anestrus, and returns-to-estrus were lower for CTC+ sows in Phase 1. The CTC+ sows lost less body weight during lactation, had a shorter wean-to-first estrus interval in Phase 1, and had a shorter interval between Phases 1 and Phase 2 farrowing dates. More piglets were weaned from CTC+ sows, and the piglets had lower mean throughout-lactation diarrhea scores in both phases and heavier weaning weights in Phase 1. Implications: In-feed administration of CTC during lactation improved health and performance of sows and their piglets. The beneficial effects continued during the subsequent lactation, when no CTC was administered. | en |
dc.source.uri | http://www.scopus.com/inward/record.url?eid=2-s2.0-0038406418&partnerID=40&md5=122629c3ecf721b1116da0c5771a3acd | |
dc.subject | Chlortetracycline | en |
dc.subject | Reproductive performance | en |
dc.subject | Sow | en |
dc.subject | Swine | en |
dc.subject | Animalia | en |
dc.subject | Suidae | en |
dc.subject | Sus scrofa | en |
dc.title | Effects of chlortetracycline administration on the health status and performance of sows: Results of a field trial | en |
dc.type | journalArticle | en |
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