Forage quality and performance of sheep in Massai grass pastures managed at pre-grazing canopy heights

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dc.creatorJoão Virgínio Emerenciano Neto
dc.creatorGelson Dos Santos Difante
dc.creatorÂngela Maria Quintão Lana
dc.creatorHenrique Rocha de Medeiros
dc.creatorEmerson Moreira de Aguiar
dc.creatorDenise b. Montagner
dc.creatorJoelma da Silva Souza
dc.date.accessioned2023-07-17T18:56:38Z
dc.date.accessioned2025-09-09T01:32:53Z
dc.date.available2023-07-17T18:56:38Z
dc.date.issued2019-02-06
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.4314/sajas.v48i6.10
dc.identifier.issn2221-4062
dc.identifier.urihttps://hdl.handle.net/1843/56447
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofSouth African Journal of Animal Science
dc.rightsAcesso Aberto
dc.subjectZootecnia
dc.subjectProdução animal
dc.subject.otherPanicum maximum
dc.subject.otherTropical pasture
dc.subject.otherVoluntary intake
dc.titleForage quality and performance of sheep in Massai grass pastures managed at pre-grazing canopy heights
dc.typeArtigo de periódico
local.citation.epage1081
local.citation.issue6
local.citation.spage1073
local.citation.volume48
local.description.resumoThe objective of this study was to evaluate the effects of pasture height at pre-grazing of Massai grass on the quality of available forage, forage intake and the performance of lambs raised for meat production. The treatments consisted of four pre-grazing canopy heights (35, 40, 45 and 50 cm). Pastures were managed by the intermittent stocking method and 32 sheep were used. Dry matter intake (DMI) was estimated by Lipe® indicator. Green forage allowance was not affected by pre-grazing heights. There was no effect of heights on the chemical composition of the stem or the leaf blades, except for crude protein content of leaf blades, which showed an inverse linear effect. Grazing time had a quadratic response in function of canopy height. The minimum point was at 42.6 cm, with 502.9 min/day. DMI increased linearly with increasing pasture height. Average daily weight gain (ADG) and stocking rate (SR) responded linearly to pre-grazing heights. Weight gain per hectare was not affected by height as a result of the compensation between SR and ADG. The increase from 35 to 50 cm in Massai grass canopy height reduces its nutritional value and individual performance and increases DMI of sheep intended for meat production.
local.identifier.orcidhttps://orcid.org/0000-0003-0066-6198
local.publisher.countryBrasil
local.publisher.departmentVET - DEPARTAMENTO DE ZOOTECNIA
local.publisher.departmentVETER - ESCOLA DE VETERINARIA
local.publisher.initialsUFMG
local.url.externahttps://www.ajol.info/index.php/sajas/article/view/183150

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