{"created":"2023-05-15T15:18:15.398697+00:00","id":4564,"links":{},"metadata":{"_buckets":{"deposit":"a24219bf-68dc-4719-bcff-45b7ad23b22f"},"_deposit":{"created_by":12,"id":"4564","owners":[12],"pid":{"revision_id":0,"type":"depid","value":"4564"},"status":"published"},"_oai":{"id":"oai:obihiro.repo.nii.ac.jp:00004564","sets":["5"]},"author_link":[],"item_2_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2018","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"66","bibliographicPageStart":"61","bibliographicVolumeNumber":"89","bibliographic_titles":[{"bibliographic_title":"日本畜産学会報","bibliographic_titleLang":"ja"}]}]},"item_2_description_19":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_2_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"ホルスタイン種の初産分娩後1000日間の乳量（1000dMY）を最大にする分娩間隔と授精開始時期について調査した．データは，北海道内において2007年に初産分娩した初産次から3産次までの24,476頭の牛群検定記録である．毎月1度の検定日乳量に対し，泌乳曲線を使用して1000dMYを推定した．初産分娩後1000日以内に2産分娩および3産分娩の記録をもつ個体の記録のみを分析対象とした．分娩間隔の中央値は，初産-2産間385日，2産-3産間396日，1000dMYの平均乳量は24,588kgであった．1000dMYは，初産-2産間および2産-3産間の分娩間隔について，いずれも357日から440日で高く，それ以上になると徐々に低下した．妊娠期間を280日程度と仮定すると，初産および２産分娩後80日を目安として人工授精を開始することで1000dMYが高くなると推察した．","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_2_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"公益社団法人 日本畜産学会","subitem_publisher_language":"ja"}]},"item_2_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"info:doi/10.2508/chikusan.89.61","subitem_relation_type_select":"DOI"}}]},"item_2_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00195188","subitem_source_identifier_type":"NCID"}]},"item_2_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1346907X","subitem_source_identifier_type":"PISSN"}]},"item_2_subject_21":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"645","subitem_subject_scheme":"NDC"}]},"item_2_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"按田, 将利","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"近藤, 野の花","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"山口, 諭","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"阿部, 隼人","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"中川, 智史","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"萩谷, 功一","creatorNameLang":"ja"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2019-12-10"}],"displaytype":"detail","filename":"repo201911-23.pdf","filesize":[{"value":"503.9 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"fulltext","url":"https://obihiro.repo.nii.ac.jp/record/4564/files/repo201911-23.pdf"},"version_id":"a33895be-bfb6-4fd3-a5b6-8b025f806c53"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"初産分娩後1000日間の乳量を最大にするための分娩間隔と初回授精開始時期","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"初産分娩後1000日間の乳量を最大にするための分娩間隔と初回授精開始時期","subitem_title_language":"ja"}]},"item_type_id":"2","owner":"12","path":["5"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2019-12-10"},"publish_date":"2019-12-10","publish_status":"0","recid":"4564","relation_version_is_last":true,"title":["初産分娩後1000日間の乳量を最大にするための分娩間隔と初回授精開始時期"],"weko_creator_id":"12","weko_shared_id":-1},"updated":"2024-02-28T02:54:38.042678+00:00"}