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  2. 50C 紀要
  3. 三重大学農学部学術報告 = The bulletin of the Faculty of Agriculture, Mie University
  4. 66 (1983)

肥育牛の飼料要求率および第一胃内性状におよぼすサリノマイシン給与の影響

http://hdl.handle.net/10076/3272
http://hdl.handle.net/10076/3272
144e89ab-d7d8-4b13-a7c6-bc16e6158c64
名前 / ファイル ライセンス アクション
AN002343370006601.pdf AN002343370006601.pdf (573.5 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2007-05-25
タイトル
タイトル 肥育牛の飼料要求率および第一胃内性状におよぼすサリノマイシン給与の影響
言語 ja
言語
言語 jpn
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
著者 坂内, 良二

× 坂内, 良二

ja 坂内, 良二

en Sakauchi, Ryoji

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星野, 貞夫

× 星野, 貞夫

ja 星野, 貞夫

en Hoshino, Sadao

Search repository
抄録
内容記述タイプ Abstract
内容記述 Eight Hereford steers weighing 295 kg initially were used for a 102-day experiment consisting of three experimental periods: a 30-day pre-treatment period (I), a 36-day salinomycin(SL) treartment period (II) and a 36-day post-treatment period (III) (Fig. 1). SL, a polyether antibiotic produced by Streptomyces albus, was blended with the concentrate (Table 1) and fed to steers during the peiod II at the level of 100 mg per day per head. Ruminal samples were obtained 3hr after feeding with a catheter at the indicated days in Fig. 1. Daily gain and feed conversion of steers in period II were much better than those in the other two periods (Table 3). Ruminal concentrations of acetate and butyrate decreased and those of propionate increased with SL treatment (Table 4), Corresponding significant decrease and inuease in molar proportions of these voiatile fatty acids (VFA) were recorded (Table 4). Ruminal total VFA, pH, viscosity and in vitro gas production rates were not consistently affected by feeding SL (Table 4 and Fig. 2). Ruminal ammonia nitrogen decreased significantly with SL treatment (Table 4). Total counts of rumen protozoa decreased by SL to nearly one half of the pre-treatment period (Fig. 3), but generic compositions of ciliates
were similar thoughout the experiment: entodinium 80-99%, diplodiniun 2-7% and holotricha 5-10% (Fig.4). Total counts of ruminal bacteria significantly increased by feeding SL and tended to decrease by the removal of SL from the diet (Fig. 5). Both Gram negative (group no. 1) and positive cocci (group no. 4) increased, and two types of rods, Gram negative (group no. 13) and positive (group no. 19), decreased with SL treatment (Fig. 5 and Table 2).
書誌情報 三重大學農學部學術報告 = The bulletin of the Faculty of Agriculture, Mie University

巻 66, p. 1-9, 発行日 1983-03-01
ISSN
収録物識別子タイプ PISSN
収録物識別子 0462-4408
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00234337
フォーマット
内容記述タイプ Other
内容記述 application/pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
日本十進分類法
主題Scheme NDC
主題 645
その他のタイトル
言語 en
値 Effects of Salinomycin Feeding on Feed Conversion and Ruminal Traits of Streers
出版者
出版者 三重大学農学部
ノート
値 Agropedia提供データ
資源タイプ(三重大)
値 Departmental Bulletin Paper / 紀要論文
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