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Nutritional status of Lusitano broodmares on extensive feeding systems: body condition, live weight and metabolic indicators

2013-06-29Journal article Open access
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dc.contributor.authorFradinho, Maria J.
dc.contributor.authorBessa, Rui J. B.
dc.contributor.authorMartin-Rosset, William
dc.contributor.authorFerreira-Dias, Graça
dc.contributor.authorCaldeira, Rui M.
dc.date.accessioned2014-09-03T14:55:52Z
dc.date.available2014-09-03T14:55:52Z
dc.date.issued2013-06-29
dc.descriptionArticles in International Journalspor
dc.description.abstractThe present research aimed to evaluate the effects of foaling season and feeding management in extensive systems on the nutritional status of Lusitano broodmares throughout the gestation/lactation cycle, by assessment of body condition (BC), body weight (BW), and some blood metabolic indicators. Four groups of Lusitano broodmares (A, B, C, D) were monitored during four years, in a total of 119 gestation/lactation cycles. All mares were kept on pasture, and A and B mares were daily supplemented. Monthly, mares were weighed and BC evaluated. Suckling foals from these mares were also monitored for BW and withers height. Glucose, non-esterified fatty acids, urea and albumin concentrations were determined in blood. BW changes were influenced by reproductive stage and foaling season (P<0.001), reflecting also pasture availability. Changes on BC were observed (P<0.05), although with small amplitudes within each group. Higher scores were reached at the end of spring, decreasing 0.25 point until late summer. Early foaling had also a marked effect, hindering the recovery of BC along the cycle. Glucose values decreased from late gestation to early lactation (P<0.05) and lower levels were recorded during the summer months. Uremia was mainly influenced by the reproductive stage (P<0.05). Under nutrition was not detected. Foals born in February-March had higher average daily gain than those born in April-May (P<0.05), probably reflecting differences in milk production of the mares. BC and BW changes and, particularly, blood indicators showed an overall balanced nutritional status, reflecting an adaptation to feed availability and climate.por
dc.description.sponsorshipPortuguese Foundation for Science and Technologypor
dc.identifier.citationFradinho, M.J., Bessa, R.J.B., Martin-Rosset, W., Ferreira-Dias, G., & Caldeira, R.M. (2013). Nutritional status of Lusitano broodmares on extensive feeding systems: body condition, live weight and metabolic indicators. Italian Journal of Animal Science, 2013, 12:e71, 436-443. doi:10.4081/ijas.2013.e71por
dc.identifier.doi10.4081/ijas.2013.e71
dc.identifier.issn1828-051X
dc.identifier.urihttp://hdl.handle.net/10400.5/7081
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherPAGEPress, Italypor
dc.subjectLusitano marespor
dc.subjectBody conditionpor
dc.subjectBody weightpor
dc.subjectMetabolic indicatorspor
dc.subjectNutritional statuspor
dc.titleNutritional status of Lusitano broodmares on extensive feeding systems: body condition, live weight and metabolic indicatorspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage443por
oaire.citation.startPage436por
oaire.citation.titleItalian Journal of Animal Sciencepor
oaire.citation.volume12:e71por
rcaap.rightsopenAccesspor
rcaap.typearticlepor

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