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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/77096
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dc.creatorLuciana Castro Geraseevpt_BR
dc.creatorNeyton Carlos da Silvapt_BR
dc.creatorAmália Saturnino Chavespt_BR
dc.creatorDiego Santana Costapt_BR
dc.creatorLaís Trindade de Castro Ornelaspt_BR
dc.creatorLetícia Ferrari Crocomopt_BR
dc.creatorSóstenes de Jesus Magalhães Moreirapt_BR
dc.date.accessioned2024-10-01T19:08:38Z-
dc.date.available2024-10-01T19:08:38Z-
dc.date.issued2023-11-07-
dc.citation.volume52pt_BR
dc.citation.spagee20220144pt_BR
dc.identifier.doihttps://doi.org/10.37496/rbz5220220144pt_BR
dc.identifier.issn1806-9290pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/77096-
dc.description.resumoThis study aimed to evaluate the effects of sunflower meal (SFM) inclusion on the performance, nutrient digestibility, and respirometric parameters in sheep. Twenty-four Dorper × Santa Inês uncastrated males, with an average age of 5 mo and initial body weight (BW) of 27.91±6.0 kg, were distributed in a randomized block design with four treatment diets containing 0, 100, 200, and 300 g of SFM/kg of total dry matter, replacing soybean meal. Intake, weight gain, ingestive behavior, and in vitro digestibility were evaluated according to the SFM inclusion. The respirometric parameters were evaluated in an open-circuit respirometric chamber. There was a quadratic response in dry matter intake expressed according to the SFM inclusion, with minimum points of 90.56 g/kg 0.75 BW for inclusion levels of 96 g of SFM/kg. A linear decrease in the in vivo digestibility of dry matter, neutral detergent fiber, and non-fibrous carbohydrate and in vitro fermentation of dry matter and fibrous carbohydrates was observed in response to SFM inclusion. These results reflect the higher fiber content of the byproduct, which reduced the non-fibrous carbohydrates in the diets. Despite the change in nutrient availability, average daily gain (299 g/day), O 2 consumption (26.24 L/kg 0.75 BW), and CH 4 production (2.25 L/kg 0.75 BW) were not influenced by the SFM inclusion, indicating that changes in the nutritional value of the diet did not affect the animals’ energetic metabolism. Sunflower meal inclusion decreased the digestibility but did not affect the animal gain and the respirometric parameters. The SFM can replace soybean meal in the diet of growing lambs; however, it has a maximum inclusion point of 88 g SFM/kg for feed conversion, which is a necessary factor for evaluating the replacement cost.pt_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorpt_BR
dc.description.sponsorshipOutra Agênciapt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIASpt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofRevista Brasileira de Zootecnia-
dc.rightsAcesso Abertopt_BR
dc.subject.otherOvinospt_BR
dc.subject.otherCordeirospt_BR
dc.subject.otherNutrição animalpt_BR
dc.subject.otherFarelo de girassolpt_BR
dc.subject.otherMetabolismo energéticopt_BR
dc.titleUse of sunflower meal as a protein source in diets of growing lambspt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://rbz.org.br/pt-br/article/use-of-sunflower-meal-as-a-protein-source-in-diets-of-growing-lambs/pt_BR
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