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The Effects of Maturity on Range Quality and Animal Performance

dc.authorscopusid 6602534948
dc.authorscopusid 7003859352
dc.authorscopusid 6602659082
dc.authorscopusid 8527670200
dc.authorscopusid 6701669938
dc.authorwosid Denek, Nihat/Abg-8089-2020
dc.authorwosid Nursoy, Huseyin/Lej-9412-2024
dc.authorwosid Akdeniz, Hakkı/Abi-8292-2020
dc.contributor.author Karsli, MA
dc.contributor.author Deniz, S
dc.contributor.author Nursoy, H
dc.contributor.author Denek, N
dc.contributor.author Akdeniz, H
dc.date.accessioned 2025-05-10T16:58:56Z
dc.date.available 2025-05-10T16:58:56Z
dc.date.issued 2003
dc.department T.C. Van Yüzüncü Yıl Üniversitesi en_US
dc.department-temp Yuzuncu Yil Univ, Vet Fak, Hayvan Besleme & Beslenme Hastaliklan ABD, Van, Turkey; Harran Univ, Vet Fak, Hayvan Besleme & Beslenme Hastaliklan ABD, Sanliurfa, Turkey; Yuzuncu Yil Univ, Ziraat Fak, Tarla Bitkileri Bolumu, Van, Turkey en_US
dc.description.abstract The objective of this study-was to determine the effects of maturity on the range quality and weight gain of male and female lambs, and the time at which supplementation is needed. The experiment was conducted at TIGEM Altindere Agricultural experiment station. At the start of the grazing season, four 4-m(2) areas from 3 different (expected to be heavily grazed) locations of range were excluded from grazing with cages. Dry matter (DM) yield and DM loss due to grazing at different periods of the grazing season were determined from these areas. Forage samples were collected from grazed and ungrazed areas once every two weeks from the 2(nd) week of May to the 2(nd) week of August. Parallel to forage sampling, 20 male and female lambs (a total of 40 lambs) grazing on the pasture were weighed once every two weeks to determine daily weight gains. Dry matter yield, chemical composition (DM, OM, ash, CP, NDF, and ADF) and in vitro DM digestibility of range were determined. Dry matter, NDF and ADF concentrations of forages increased (P < 0.01) and crude protein content decreased (P < 0.01), but organic matter and ash concentrations did not change with increasing maturity. The effect of grazing on the parameters mentioned above was not significant, but increasing maturity significantly affected DM digestibility and DM yields (P < 0.01). At the start of the experiment, DM digestibilities for grazed and ungrazed areas were 69.70 and 69.25%; they declined to 42.45 and 43.45% at the 7(th) sampling, respectively. Dry matter yields for grazed and ungrazed areas were 54.69 and 69.64 for the V sampling, 81.88 and 120.54 for the 2(nd) sampling, 50.55 and 111.74 for the 3(rd) sampling, 59.10 and 97.13 for the 4(th) sampling, 32.82 and 78.81 for the 5(th) sampling, 38.06 and 67.61 for the 6(th) sampling, and 26.96 and 52.65 kg/da for the 7(th) sampling, respectively (P < 0.01). Digestible DM yields for grazed and ungrazed areas were 37.82 and 48.12 for the 1(st) sampling, 51.50 and 78.41 for the 2(nd) sampling, 28.29 and 58.50 for the 3(rd) sampling, 30.15 and 48.18 for the 4(th) sampling, 16.12 and 37.65 for the 5(th) sampling, 17.76 and 31.56 for the 6(th) sampling, and 11.96 and 24.10 kg/da for the 7(th) sampling, respectively (P < 0.01). Both DM and digestible DIM yields were also affected by grazing (P < 0.01). Weight gains, determined parallel to forage sampling, during the 2(nd), 3(rd), and 4(th) periods were high (228, 263, and 182 g/d for male, and 252, 194, and 184 g/d for female lambs, respectively), but were very low after the 4(th) period. It is concluded that the range can meet the nutrient requirements of lambs for optimal weight gain during May and June, but lambs require an extra supplementation for optimal weight gain after June under Northern Anatolian conditions. en_US
dc.description.woscitationindex Science Citation Index Expanded
dc.identifier.endpage 124 en_US
dc.identifier.issn 1300-0128
dc.identifier.issue 1 en_US
dc.identifier.scopus 2-s2.0-0037228603
dc.identifier.scopusquality Q3
dc.identifier.startpage 117 en_US
dc.identifier.uri https://hdl.handle.net/20.500.14720/4424
dc.identifier.volume 27 en_US
dc.identifier.wos WOS:000181960400016
dc.identifier.wosquality Q4
dc.language.iso tr en_US
dc.publisher Scientific Technical Research Council Turkey en_US
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/closedAccess en_US
dc.subject Maturity en_US
dc.subject Range Quality en_US
dc.subject Live Weight Gain en_US
dc.title The Effects of Maturity on Range Quality and Animal Performance en_US
dc.type Article en_US

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