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Effect of gestational and lactational exposure to heat stress on performance in rabbits

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Effect of gestational and lactational exposure to heat stress on performance in rabbits

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dc.contributor.author Marco Jiménez, Francisco es_ES
dc.contributor.author García Diego, Fernando Juan es_ES
dc.contributor.author Vicente Antón, José Salvador es_ES
dc.date.accessioned 2017-04-03T10:16:08Z
dc.date.available 2017-04-03T10:16:08Z
dc.date.issued 2017-03-30
dc.identifier.issn 1257-5011
dc.identifier.uri http://hdl.handle.net/10251/79357
dc.description.abstract [EN] Reproductive performance is greatly affected by environmental factors such as temperature. Heat stress (HS) during pregnancy and lactation can influence not only foetal growth but also postnatal development of kits. The aim of this study was to test the effect of HS during gestation and lactation on postnatal growth till Spanish commercial liveweight. To investigate this, 32 primiparous non lactating rabbit does were exposed to 1 of 2 environmental treatments: high temperature (between 25 and 36°C, HS group; n=16) or thermoneutral conditions (between 14 and 20°C, TN group; n=16). Does were allowed to acclimate 30 d before the artificial insemination. At birth, kits were allocated into 4 groups: HS was only applied during gestation (G group; n=54); HS was applied during gestation and lactation period (GL group; n=85); HS was only applied during lactation period (L group; n=60); and TN was applied during gestation and lactation period (C group; n=77). All litters were kept under each experimental environment until weaning at day 30. Then, litters were moved to TN temperatures until slaughter at day 63. Compared with TN does, the HS does presented lower litter size (9.7 and 11.4; P<0.05), litter weight (503.0 vs. 630.5 g; P<0.05) and kit weight at birth (56.6 vs. 61.4 g; P<0.05), as well as a higher stillborn rate (25.4 vs. 9.9%; P<0.05). The kits from does subjected to HS during gestation (G group) had similar postnatal growth compared to offspring from does gestated in TN conditions (C group), whereas kits from does that experienced HS during gestation and lactation (GL group) and during their lactation (L group) presented decreased postnatal growth. Together, these results demonstrate that kits from does that underwent HS during gestation did not alter postnatal growth until Spanish commercial liveweight, whereas HS during lactation resulted in decreased postnatal growth. es_ES
dc.description.sponsorship This research was supported by the projects: Spanish Research project AGL2011-30170-C02-01 and AGL2014-53405-C2-1-P (Interministerial Commission on Science and Technology). English text version revised by N. Macowan English Language Service. en_EN
dc.language Inglés es_ES
dc.publisher Universitat Politècnica de València
dc.relation CICYT/AGL2011-30170-C02-01 es_ES
dc.relation CICYT/AGL2014-53405-C2-1-P
dc.relation.ispartof World Rabbit Science
dc.rights Reserva de todos los derechos es_ES
dc.subject Health stress es_ES
dc.subject Growth performance es_ES
dc.subject Gestation es_ES
dc.subject Lactation es_ES
dc.subject Rabbit es_ES
dc.title Effect of gestational and lactational exposure to heat stress on performance in rabbits es_ES
dc.type Artículo es_ES
dc.date.updated 2017-04-03T09:52:09Z
dc.identifier.doi 10.4995/wrs.2017.5728
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingenieros Industriales - Escola Tècnica Superior d'Enginyers Industrials es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural - Escola Tècnica Superior d'Enginyeria Agronòmica i del Medi Natural es_ES
dc.description.bibliographicCitation Marco Jiménez, F.; García Diego, FJ.; Vicente Antón, JS. (2017). Effect of gestational and lactational exposure to heat stress on performance in rabbits. World Rabbit Science. 25(1):17-25. doi:10.4995/wrs.2017.5728 es_ES
dc.relation.publisherversion https://doi.org/10.4995/wrs.2017.5728 es_ES
dc.description.upvformatpinicio 17 es_ES
dc.description.upvformatpfin 25 es_ES
dc.type.version info:eu repo/semantics/publishedVersion es_ES
dc.description.volume 25
dc.description.issue 1
dc.identifier.eissn 1989-8886
dc.contributor.funder Comisión Interministerial de Ciencia y Tecnología (CICYT)


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