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dc.creatorMontelli, Natália Ludmila Lins Lima-
dc.creatorAlmeida, Amélia Katiane de-
dc.creatorRibeiro, Carolina Resende de Freitas-
dc.creatorGrobe, Morgana Dayane-
dc.creatorAbrantes, Melina Aparecida Felipe-
dc.creatorLemos, Guilherme Silva-
dc.creatorFurusho-Garcia, Iraides Ferreira-
dc.creatorPereira, Idalmo Garcia-
dc.date.accessioned2020-04-24T18:43:22Z-
dc.date.available2020-04-24T18:43:22Z-
dc.date.issued2019-11-
dc.identifier.citationMONTELLI, N. L. L. L. et al. Performance, feeding behavior and digestibility of nutrients in lambs with divergent efficiency traits. Small Ruminant Research, [S.I.], v. 180, p. 50-56, Nov. 2019.pt_BR
dc.identifier.urihttps://www.sciencedirect.com/science/article/abs/pii/S0921448818302220#!pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/40345-
dc.description.abstractThe aim was to evaluate the performance, feeding behavior and nutrient digestibility of lambs ranked according to residual feed intake (RFI) and residual intake and gain (RIG). A total of 102 male lambs (½ Dorper ½ Santa Inês; 70 d; 24.6 ± 3.71 kg) were used. The mean values of the RFI classes were -0.101, 0.0, and 0.091, and those of the RIG classes were 1.980, -0.032 and -2.369, for efficient, medium and inefficient lambs, respectively. Average daily gain was not correlated to RFI, but was correlated to RIG. Physiological parameters (i.e., respiratory frequency and heart rate), ruminal movement and rectal temperature were similar between efficient and inefficient lambs (i.e., for RFI and RIG; P > 0.05). Efficient RFI and RIG lambs spent less time ruminating and drinking water and more time eating (P < 0.05). Rumination time is a good feeding behavior marker to distinguish efficient and inefficient lambs (i.e., RFI and RIG). Inefficient feedlot lambs exhibited greater dry matter intake; this difference was not reflected in digestibility traits. These results may assist in the identification of more efficient animals to lower production costs and mitigate the environmental impact of lamb production systems.pt_BR
dc.languageenpt_BR
dc.publisherElsevier B.V.pt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceSmall Ruminant Researchpt_BR
dc.subjectFeed nutrientspt_BR
dc.subjectPerformancept_BR
dc.subjectRuminationpt_BR
dc.subjectCordeiros - Alimentação e Raçõespt_BR
dc.subjectNutrientes alimentarespt_BR
dc.subjectRuminaçãopt_BR
dc.subjectDigestibilidadept_BR
dc.titlePerformance, feeding behavior and digestibility of nutrients in lambs with divergent efficiency traitspt_BR
dc.typeArtigopt_BR
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