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Kaera lisasöötmise mõju rohusöödarikaste ratsioonide kasutamisel uttede toitumusele, jõudlusele ning vere glükoosi ja β-hüdroksübutüraadi sisaldusele mahefarmides

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dc.contributor.authorPiirsalu, Peep
dc.contributor.authorKaart, Tanel
dc.contributor.authorSamarütel, Jaak
dc.contributor.authorTölp, Silvi
dc.contributor.authorIlves, Aire
dc.contributor.authorJaakson, Hanno
dc.contributor.authorNutt, Irje
dc.contributor.departmentEesti Maaülikool. Veterinaarmeditsiini ja loomakasvatuse instituut. Söötmisteaduse õppetoolest
dc.contributor.departmentEesti Maaülikool. Veterinaarmeditsiini ja loomakasvatuse instituut. Tõuaretuse ja biotehnoloogia õppetoolest
dc.date.accessioned2019-01-02T13:31:17Z
dc.date.available2019-01-02T13:31:17Z
dc.date.issued2018
dc.descriptionArticleeng
dc.descriptionSaabunud / Received 13.12.2018 ; Aktsepteeritud / Accepted 02.01.2019 ; Avaldatud veebis / Published online 02.01.2019 ; Vastutav autor / Corresponding author: Peep Piirsau e-mail: peep.piirsalu@emu.eeest
dc.description.abstractThe aim of this study was to estimate the feeding strategies of pregnant and lactating ewes fed only silage/hay or supplemented with concentrates (oat) on the ewe body condition score (BCS), production of ewes (lambs born per ewe lambed (LB), lambs born alive per ewe lambed (LBA), lambs born dead per ewe lambed (LBD), lamb birth weight (LBW), lamb 100 day weight (L100DW)) and ewe blood glycose and β-hydroxy-butyrate (BHB) concentrations. The Estonian White Face and Texel ewes (107 ewes) were divided into two similar groups: the experimental group (59 ewes) and control group (48 ewes). For 45–60 days before lambing (from 90th–105th day of gestation) the experimental ewes were fed in addition to forage feeds (silage, hay or pasture grass) 0.22 kg of organic oat per day (totally 10 kg in gestation period) and 0.3 kg of oat during suckling period (totally 13.5 kg per ewe). The control group of ewes were fed only with forage-based rations (silage, hay, pasture grass) without cereals. Ewe BCS was assessed before mating, on 130–140 day of pregnancy, after lambing (following 7th–10th day), during the 2nd suckling months (45–60 suckling day) and at weaning of lambs by two observers during the whole study. It was concluded that additional feeding of minimal amount of oats increased the ewes BCS in the experimental group at 130–140 day of pregnancy (BCS was respectively 3.36 and 2.97, p < 0.001) and on the 45–60th suckling day (BCS respectively 2.84 and 2.52, p < 0.001) compared with control ewes, but did not affect BCS of ewes at the end of the experiment (at weaning). Production traits (LBA, LBW, L100DW) nor ewes blood glycose and β-hydroxybutyrate (BHB) concentrations at the 130–140 days of pregnancy and 7–10 days after lambing were not affected by supplementation of oat to ewes' diet.eng
dc.identifier.issn2228-4893
dc.identifier.publicationAgraarteadus : Journal of Agricultural Science, 2018, vol. 29, no. 2, pp. 106-114est
dc.identifier.urihttp://hdl.handle.net/10492/4554
dc.identifier.urihttp://dx.doi.org/10.15159/jas.18.13
dc.publisherEstonian Academic Agricultural Societyeng
dc.rightsCreative Commons Attribution 4.0 International (CC BY 4.0)
dc.rights.holderAuthors of accepted articles retain all rights to use, reuse, and distribute the published research as long as the author credits the original publication in this journal. The authors submitting to the journal are expected to follow the general ethical guidelines regarding plagiarism. If in doubt consult the ICMJ guidelines on overlapping publications. Once accepted the journal retain the right to print and distribute the manuscript submitted by the author.eng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectewe body condition scoreeng
dc.subjectewe productioneng
dc.subjectoat supplementationeng
dc.subjectforage-based feedingeng
dc.subjectglycoseeng
dc.subjectβ-hydroxybutyrateeng
dc.subjectorganic farmeng
dc.subjectarticleseng
dc.titleKaera lisasöötmise mõju rohusöödarikaste ratsioonide kasutamisel uttede toitumusele, jõudlusele ning vere glükoosi ja β-hüdroksübutüraadi sisaldusele mahefarmidesest
dc.title.alternativeEffect of additional oat supplementation in forage-based feeding during gestation and lactation periods on ewe body condition, performance, blood glycose and β-hydroxybutyrate concentration in organic farmeng
dc.typeArticleeng

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2018, Vol. 29, No. 2