{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282679694739072.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.11233/aquaculturesci1953.55.17"}},{"identifier":{"@type":"URI","@value":"https://agriknowledge.affrc.go.jp/RN/2010740224"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"8755732"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/8755732"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I8755732"}},{"identifier":{"@type":"NAID","@value":"10018870935"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"Effects of HCG Injections on One-year-old Captive Chub Mackerel Scomber japonicus"},{"@value":"ＨＣＧ投与による養成マサバ１歳魚からの採卵の試み"},{"@language":"ja-Kana","@value":"HCG トウヨ ニ ヨル ヨウセイ マサバ 1サイギョ カラノ サイラン ノ ココロミ"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"Human chorionic gonadotropin (HCG) was injected to one-year old captive chub mackerel (<I>Scomber japonicus</I>) in June 2005, a timing equivalent to the fish spawning period, to see if fertilized eggs would be formed. The sample fish were accommodated in a net cage and measured for total length, fork length, body length, head length, body depth, body width and body weight every 10 days until 100 days after hatching, then every 30-day thereafter. The sample fish were also checked for ovulation and spermiation by abdominal thrust 280 days after hatching. Their gonadal gland was then removed, weighed and measured for gonad somatic index (GSI) and, for females, KG value. Although spermiation was not confirmed in any males 280 days in age, spermiation was confirmed in half the male fish after 310 days in age and in all the male fish after 340 days in age. For the female fish, no ovulation was observed in individuals 310 days in age, but ovulation was confirmed in 8 out of 10 fish 340 days in age. Five groups of 10 male and 10 female in each received single injection of HCG (200 IU/kg BW) from 360 days in age (1st group) to 376 days in age (5th group) . The fish in four group spawned by the 3 days after the injection. In the group of eggs injected on June 27 (4th group), fertilized eggs were seen, although in a small quantity. When these fertilized eggs were cultured, they were observed to hatch normally and the hatchlings grew successfully."},{"@value":"養成マサバ1歳魚に対し, 産卵期の6月にHCG投与を行い胚体形成卵が得られるかどうかを確認した。供試魚は地先網生簀に収容し, 孵化後100日までは10日間隔で, それ以降は30日間隔で7項目の測定を行った。また, 日齢280日以降腹部圧迫による排卵, 排精の有無を確認後, 生殖腺を取り出して生殖腺重量を測定し, GSIおよび雌個体についてはKG値を算出した。雄個体では日齢280日において排精は確認できなかったものの, 日齢310日以降では半数の個体で排精を確認することができ, 日齢340日以降は全ての個体で排精が確認できた。雌個体では日齢310日で排卵は確認されなかったが, 日齢340日では10個体のうち8個体で排卵が確認できた。日齢360日から4日間隔で5群の親魚 (各雌雄10尾ずつ) にHCGを投与したところ, そのうち4群で産卵が確認された。6月27日に産卵した群では, 少量ながら胚体形成卵を得ることが出来た。胚体形成卵を培養した結果, 卵は正常に孵化し成長することが確認された。"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410009221482390656","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000006155982"}],"foaf:name":[{"@language":"en","@value":"ISHIBASHI Ryo"},{"@language":"ja","@value":"石橋 亮"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Fisheries Laboratory of Kinki University, Shirahama Experiment station"},{"@language":"ja","@value":"近畿大学水産研究所白浜実験場"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001204715188612","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000002395443"}],"foaf:name":[{"@language":"en","@value":"YAMAMOTO Shinji"},{"@language":"ja","@value":"山本 眞司"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Fisheries Laboratory of Kinki University, Shirahama Experiment station"},{"@language":"ja","@value":"近畿大学水産研究所白浜実験場"}]},{"@id":"https://cir.nii.ac.jp/crid/1420845751134972928","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"00298944"},{"@type":"NRID","@value":"1000000298944"},{"@type":"NRID","@value":"9000020001185"},{"@type":"NRID","@value":"9000305639127"},{"@type":"NRID","@value":"9000018706168"},{"@type":"NRID","@value":"9000254573842"},{"@type":"NRID","@value":"9000016811896"},{"@type":"NRID","@value":"9000254078012"},{"@type":"NRID","@value":"9000273043466"},{"@type":"NRID","@value":"9000000288808"},{"@type":"NRID","@value":"9000001431697"},{"@type":"NRID","@value":"9000002081855"},{"@type":"NRID","@value":"9000000290557"},{"@type":"NRID","@value":"9000248248356"},{"@type":"NRID","@value":"9000254142533"},{"@type":"NRID","@value":"9000408484085"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0053244"}],"foaf:name":[{"@language":"en","@value":"KOBAYASHI Toru"},{"@language":"ja","@value":"小林 徹"}],"jpcoar:affiliationName":[{"@language":"en","@value":"School of Agriculture, Kinki University"},{"@language":"ja","@value":"近畿大学農学部"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001204716259205","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000002395481"}],"foaf:name":[{"@language":"en","@value":"IZUMI Kenichi"},{"@language":"ja","@value":"和泉 健一"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Fisheries Laboratory of Kinki University, Shirahama Experiment station"},{"@language":"ja","@value":"近畿大学水産研究所白浜実験場"}]},{"@id":"https://cir.nii.ac.jp/crid/1410290696955619459","@type":"Researcher","foaf:name":[{"@language":"en","@value":"MIYASHITA Shigeru"},{"@language":"ja","@value":"宮下 盛"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Fisheries Laboratory of Kinki University, Shirahama Experiment station"},{"@language":"ja","@value":"近畿大学水産研究所白浜実験場"}]},{"@id":"https://cir.nii.ac.jp/crid/1410290696955619461","@type":"Researcher","foaf:name":[{"@language":"en","@value":"MURATA Osamu"},{"@language":"ja","@value":"村田 修"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Fisheries Laboratory of Kinki University, Shirahama Experiment station"},{"@language":"ja","@value":"近畿大学水産研究所白浜実験場"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"03714217"},{"@type":"LISSN","@value":"03714217"},{"@type":"EISSN","@value":"21850194"},{"@type":"NDL_BIB_ID","@value":"000000026044"},{"@type":"ISSN","@value":"03714217"},{"@type":"NCID","@value":"AN00124667"}],"prism:publicationName":[{"@language":"en","@value":"Aquaculture Science"},{"@language":"ja","@value":"水産増殖"},{"@language":"en","@value":"Aquaculture Sci."},{"@language":"ja","@value":"水産増殖"}],"dc:publisher":[{"@language":"en","@value":"Japanese Society for Aquaculture Science"},{"@language":"ja","@value":"日本水産増殖学会"}],"prism:publicationDate":"2007","prism:volume":"55","prism:number":"1","prism:startingPage":"17","prism:endingPage":"22"},"url":[{"@id":"https://agriknowledge.affrc.go.jp/RN/2010740224"},{"@id":"http://id.ndl.go.jp/bib/8755732"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I8755732"}],"availableAt":"2007","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Captive%20chub%20mackerel","dc:title":"Captive chub mackerel"},{"@id":"https://cir.nii.ac.jp/all?q=One-year-old%20fish","dc:title":"One-year-old fish"},{"@id":"https://cir.nii.ac.jp/all?q=HCG%20injection","dc:title":"HCG injection"},{"@id":"https://cir.nii.ac.jp/all?q=Spawning","dc:title":"Spawning"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1390001204715663488","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Egg Development and Growth of Larval and Juvenile Cultured Chub Mackerel Scomber japonicus (Perciformes: Scombridae) in a Captive Spawning Experiment"},{"@value":"マサバ養成親魚の自然産卵と卵発生および仔稚魚飼育"},{"@language":"ja-Kana","@value":"マサバ ヨウセイ オヤウオ ノ シゼン サンラン ト ラン ハッセイ オヨビ シチギョ シイク"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679694960000","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Growth and Gonad Development of Captive Chub Mackerel Scomber japonicus (Perciformes: Scombridae)"},{"@value":"飼育下におけるマサバの成長と生殖腺の発達"},{"@language":"ja-Kana","@value":"シイク カ ニ オケル マサバ ノ セイチョウ ト セイショクセン ノ ハッタツ"}]},{"@id":"https://cir.nii.ac.jp/crid/1523388079947826560","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"マサバとゴマサバの成熟・産卵および食性"},{"@language":"ja-Kana","@value":"マサバ ト ゴマサバ ノ セイジュク サンラン オヨビ 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