{"created":"2025-03-01T01:55:59.566168+00:00","id":2023865,"links":{},"metadata":{"_buckets":{"deposit":"e71ee5f1-9c18-49a1-bcbc-a45882284732"},"_deposit":{"created_by":41,"id":"2023865","owner":"41","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2023865"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02023865","sets":["1727147343679:1730443524288:1730443528914"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Influences of the First-feeding Delay on Subsequent Growth and Viability of Clonal Crucian Carp, Carassius langsdorfii","subitem_title_language":"en"},{"subitem_title":"クローンギンブナの初期摂餌開始時期が成長および生残に及ぼす影響","subitem_title_language":"ja"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Umino, Tetsuya","creatorNameLang":"en"}],"familyNames":[{"familyName":"Umino","familyNameLang":"en"}],"givenNames":[{"givenName":"Tetsuya","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Sakae, Kenji","creatorNameLang":"en"}],"familyNames":[{"familyName":"Sakae","familyNameLang":"en"}],"givenNames":[{"givenName":"Kenji","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Morishima, Kagayaki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Morishima","familyNameLang":"en"}],"givenNames":[{"givenName":"Kagayaki","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Arai, Katsutoshi","creatorNameLang":"en"}],"familyNames":[{"familyName":"Arai","familyNameLang":"en"}],"givenNames":[{"givenName":"Katsutoshi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Nakagawa, Heisuke","creatorNameLang":"en"}],"familyNames":[{"familyName":"Nakagawa","familyNameLang":"en"}],"givenNames":[{"givenName":"Heisuke","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"crucian carp","subitem_subject_scheme":"Other"},{"subitem_subject":"clone","subitem_subject_scheme":"Other"},{"subitem_subject":"first-feeding delay","subitem_subject_scheme":"Other"},{"subitem_subject":"growth","subitem_subject_scheme":"Other"},{"subitem_subject":"otolith-tagging","subitem_subject_scheme":"Other"},{"subitem_subject":"PNR","subitem_subject_scheme":"Other"},{"subitem_subject":"ギンブナ","subitem_subject_scheme":"Other"},{"subitem_subject":"クローン","subitem_subject_scheme":"Other"},{"subitem_subject":"初期摂餌","subitem_subject_scheme":"Other"},{"subitem_subject":"成長","subitem_subject_scheme":"Other"},{"subitem_subject":"耳石標識","subitem_subject_scheme":"Other"},{"subitem_subject":"480","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"広島県黒瀬川由来の三倍体ギンブナー腹仔のクローン性をDNAフィンガープリント法によって確認した。それらのクローン仔魚を用いて初期摂餌開始時期の遅延が、後の成長および生残に及ぼす影響を調べた。ギンブナ仔魚は孵化後3日目で初期摂餌を開始した。孵化後4日目における摂餌を1日間遅らせた群の全長は摂餌対照群のそれに比べて有意に小さかったが、乾燥重量は摂餌の有無に関わらず変化が認められなかった。摂餌群と摂餌遅延群の核酸比は、孵化後4日目で有意差が認められた。仔魚の初期摂餌を1日および2日遅らせた群に対し、それぞれの給餌対照群を混合し、30日間飼育した。その結果、摂餌を遅らせた群の平均全長および体重は対照群のそれより有意に小さくなった。したがって、初期摂餌を遅らせることによって生じた給餌対照群との成長差は、その後も維持されることが明らかとなった。一方、30日後の生残率では、初期摂餌を2日間遅延した仔魚で高くなった。これは、初期摂餌を遅延する間に、質的に劣る仔魚が淘汰されたためと考えられた。","subitem_description_language":"ja"},{"subitem_description":"Clonal nature of gynogenetic progeny of triploid crucian carp Carassius langsdorfii, was verified by multilocus DNA fingerprinting techniques. Clones were used to assess the effects of first-feeding delay on subsequent growth and viability. On the 3rd day after hatching, the typical larvae having available yolk commenced the first-feeding. On the 4th day, total length of unfed larvae for 1 day was significantly shorter than that of fed larvae. There was no difference in dry weight between fed and unfed larvae. The difference in the RNA:DNA ratio between fed and unfed larvae became evident on Day 4. The results of communal stocking of both fed and delay-fed larvae for 1 to 2 day revealed that the growth loss caused by the delay-fed treatments was not compensated through subsequent growth. However, it was evident that survival rates in delay-fed larvae for 2 day slightly higher than non delay-fed larvae. This result can be explained by the selection of some larvae hatched with developmental defects during delay-fed treatment.","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"広島大学生物生産学部"},{"subitem_publisher":"農林水産研究情報センター"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_1617186819068":{"attribute_name":"identifier_registration","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15027/24708","subitem_identifier_reg_type":"JaLC"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"1341-691X","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AN10409040","subitem_source_identifier_type":"NCID"}]},"item_1617187024783":{"attribute_name":"開始ページ","attribute_value_mlt":[{"subitem_start_page":"125"}]},"item_1617187056579":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1996-12","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"138","bibliographicPageStart":"125","bibliographicVolumeNumber":"35","bibliographic_titles":[{"bibliographic_title":"生物生産学研究"},{"bibliographic_title":"Journal of the Faculty of Applied Biological Science, Hiroshima University"}]}]},"item_1617258105262":{"attribute_name":"item_1617258105262","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-03-18"}],"displaytype":"simple","filename":"55-1981.pdf","filesize":[{"value":"1.8 MB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2023865/files/55-1981.pdf"},"version_id":"8cee6bc6-9fea-400b-b76e-50d8c17231fa"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"24708"},"item_title":"Influences of the First-feeding Delay on Subsequent Growth and Viability of Clonal Crucian Carp, Carassius langsdorfii","item_type_id":"40003","owner":"41","path":["1730443528914"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2023865","relation_version_is_last":true,"title":["Influences of the First-feeding Delay on Subsequent Growth and Viability of Clonal Crucian Carp, Carassius langsdorfii"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-03-01T01:56:12.904309+00:00"}