{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T05:09:47Z","timestamp":1772168987352,"version":"3.50.1"},"update-to":[{"DOI":"10.12688\/f1000research.28259.1","type":"new_version","label":"New version","source":"publisher","updated":{"date-parts":[[2021,5,14]],"date-time":"2021-05-14T00:00:00Z","timestamp":1620950400000}}],"reference-count":24,"publisher":"F1000 Research Ltd","license":[{"start":{"date-parts":[[2021,5,14]],"date-time":"2021-05-14T00:00:00Z","timestamp":1620950400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) Universitas Riau"}],"content-domain":{"domain":["f1000research.com"],"crossmark-restriction":false},"short-container-title":["F1000Res"],"abstract":"<ns4:p>\n                    <ns4:bold>Background:<\/ns4:bold>\n                    In general, the length of photoperiod affects the physiology of\n                    <ns4:italic>Pangasionodon hypophthalmus<\/ns4:italic>\n                    . This study aimed to understand the growth and health status of this fish reared under manipulated photoperiods.\n                  <\/ns4:p>\n                  <ns4:p>\n                    <ns4:bold>Methods:<\/ns4:bold>\n                    The study was conducted between June to August 2020[A1]\u00a0. Three treatments were applied: control (natural photoperiod); 18 hours of darkness (18D6L; tanks were placed under a dark tarp tent for 18 hours); and 24 hours of darkness (24D0L; tanks were placed under a dark tarp tent continuously). Three replications were performed per treatment. At baseline, fish were approx. 7.5 cm \u00a0[A2]\u00a0total length (TL) and 4 g body weight (BW), and were reared in circular plastic tanks (100 L; 30 fish\/tank) with aerators and filters, and fed with commercial fish feed pellet (2 times\/day to satiation). Fish growth and survival were studied once\/week, and blood and tissue samples were taken at the end of the experiment (8\n                    <ns4:sup>th<\/ns4:sup>\n                    week). Tissue was formalin fixed and HE stained.\n                  <\/ns4:p>\n                  <ns4:p>\n                    <ns4:bold>Results:<\/ns4:bold>\n                    The survival of fish in all treatment was 100%. The fish reared in 24D0L and 18D6L grew better than control, achieving mean TL of 23 cm and BW of 98 g (control = 19 cm TL and 72 g BW). There was no difference in hematology condition or tissue structure between the three groups. Tissue structure of gill, kidney and liver were normal, but light abnormality due to parasites was present in the gill of fish reared in 24D0L. Blood samples for all three groups showed mean red blood cell count of 1,800,000 cells\/ml and white blood cell (WBC) count of 55,200 cells\/ml. WBC consisted of lymphocyte 65%, monocyte 24%, thrombocyte 6%, neutrophil 3%, eosinophil 1% and basophile 1%.\n                  <\/ns4:p>\n                  <ns4:p>\n                    <ns4:bold>Conclusion:<\/ns4:bold>\n                    Data obtained indicate that a short photoperiod improves the growth of\n                    <ns4:italic>P. hypophthalmus<\/ns4:italic>\n                    fish and does not negatively affects their health.\n                  <\/ns4:p>","DOI":"10.12688\/f1000research.28259.2","type":"journal-article","created":{"date-parts":[[2021,5,14]],"date-time":"2021-05-14T07:15:06Z","timestamp":1620976506000},"page":"154","update-policy":"https:\/\/doi.org\/10.12688\/f1000research.crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["Growth and health status of Pangasionodon hypophthalmus reared under manipulated photoperiod conditions"],"prefix":"10.12688","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9159-155X","authenticated-orcid":false,"given":"Windarti","family":"Windarti","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bintal","family":"Amin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Asmika H.","family":"Simarmata","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2560","published-online":{"date-parts":[[2021,5,14]]},"reference":[{"key":"ref-1","doi-asserted-by":"publisher","first-page":"313-320","DOI":"10.1007\/s00343-019-7222-1","article-title":"Floc meal as potential substitute for soybean meal in tilapia diets under bio\ufb02oc system conditions.","volume":"37","author":"R Mabroke","year":"2019","journal-title":"J Oceanol Limnol."},{"key":"ref-2","doi-asserted-by":"publisher","first-page":"678-683","DOI":"10.31258\/unricsce.1.678-683","article-title":"Penyuluhan manipulasi fotoperiod pada budidaya ikan patin (Pangasius hypopthalmus) di RW VIII Kelurahan Delima Kecamatan Tampan Pekanbaru.","volume":"1","author":"W Windarti","year":"2019b","journal-title":"Unri Conference Series: Community Engagement."},{"key":"ref-3","article-title":"Manipulasi fotoperiod untuk memicu pematangan gonad pada ikan selais (Ompok hypopthalmus).","author":"B Windarti","year":"2017"},{"key":"ref-4","article-title":"Aspek biologi ikan patin (Pangasius.sp) yang diperlakukan dengan fotoperiod dan diberi makanan yang diperkaya dengan kunyit","author":"R Magwa","year":"2019"},{"key":"ref-5","article-title":"Tingkah laku ikan selais (Ompok hypopthalmus) yang dipelihara pada fotoperiod yang berbeda.","author":"R Syafri","year":"2016"},{"key":"ref-6","doi-asserted-by":"publisher","first-page":"012050","DOI":"10.1088\/1755-1315\/348\/1\/012050","article-title":"Biological aspects of Pangasius hypopthalmus reared under controlled photoperiod.","volume":"348","author":"Windarti","year":"2019","journal-title":"IOP Conf Ser Earth Environ Sci."},{"key":"ref-7","doi-asserted-by":"publisher","first-page":"237-242","DOI":"10.1016\/j.aquaculture.2018.10.030","article-title":"Fish hematology analysis as an important tool of aquaculture: A review.","volume":"500","author":"F Fazio","year":"2019","journal-title":"Aquaculture."},{"key":"ref-8","first-page":"191-202","article-title":"Hematological Evaluation of Welfare and Health of Fish.","volume":"53","author":"A Ivanc","year":"2005","journal-title":"Praxis veterinaria."},{"key":"ref-9","doi-asserted-by":"publisher","first-page":"771-781","DOI":"10.1111\/j.1095-8649.1973.tb04510.x","article-title":"Routine haematological methods for use with fish blood.","volume":"5","author":"P Blaxhall","year":"1973","journal-title":"J Fish Biol."},{"key":"ref-10","first-page":"26","article-title":"Simplified Assays for Measuring Non-specific Defense Mechanism in Fish.","author":"D Anderson","year":"1994"},{"key":"ref-11","article-title":"Variability and Accuracy of Sahli\u2019s Method in Estimation of Haemoglobin Concentration.","volume":"4","author":"P Patil","year":"2013","journal-title":"Natl J Integr Res Med."},{"key":"ref-12","article-title":"Buku Ajar Histologi.","author":"Windarti","year":"2017"},{"key":"ref-13","article-title":"Efektivitas Manipulasi Fotoperiod dan Pemberian Pakan yang Diperkaya Dengan Sari Kunyit pada Budidaya Ikan Patin (Pangasius Hypopthalmus) di Kolam Terpal.","author":"Windarti","year":"2019"},{"key":"ref-14","first-page":"514","article-title":"Biology of Fishes.","author":"C Bond","year":"1979"},{"key":"ref-15","first-page":"247-278","article-title":"Measurement of stressed states in the fied in Iwama","author":"J Morgan","year":"1997"},{"key":"ref-16","doi-asserted-by":"publisher","first-page":"83-103","DOI":"10.1016\/j.cvex.2014.09.007","article-title":"Fish hematology and associated disorders.","volume":"18","author":"K Grant","year":"2015","journal-title":"Veterinary Clinics: Exotic Animal Practice."},{"key":"ref-17","doi-asserted-by":"publisher","first-page":"417-435","DOI":"10.1016\/s1095-6433(00)00184-7","article-title":"Organic phosphates in the red blood cells of fish.","volume":"125","author":"V Al","year":"2000","journal-title":"Comp Biochem Physiol A Mol Integr Physiol."},{"key":"ref-18","doi-asserted-by":"publisher","first-page":"193-199","DOI":"10.1080\/24750263.2018.1460694","article-title":"Comparative study of haematology of two teleost fish (Mugil cephalus and Carassius auratus) from different environments and feeding habits.","volume":"85","author":"V Parrino","year":"2018","journal-title":"Eur Zool J."},{"key":"ref-19","doi-asserted-by":"publisher","first-page":"164-172","DOI":"10.20473\/jafh.v9i2.16192","article-title":"Health Condition Analysis of Catfish Pangasius sp. Infected by Edwardsiella tarda. Bacteria.","volume":"9","author":"Q A\u2019yunin","year":"2020","journal-title":"Journal of Aquaculture and Fish Health."},{"key":"ref-20","doi-asserted-by":"publisher","DOI":"10.1590\/1982-0224-20140115","article-title":"Hematological and morphometric blood value of four cultured species of economically important tropical foodfish.","volume":"13","author":"G Dal\u2019B\u00f3","year":"2015","journal-title":"Neotrop Ichthyol."},{"key":"ref-21","doi-asserted-by":"publisher","first-page":"27-39","DOI":"10.20473\/jipk.v3i1.11616","article-title":"Prevalensi dan Derajat Infeksi Dactylogyrus sp. pada Insang Benih Bandeng (Chanos chanos) di Tambak Tradisional, Kecamatan Glagah, Kabupaten Lamongan.","volume":"3","author":"F Mas\u2019ud","year":"2011","journal-title":"Jurnal Ilmiah Perikanan dan Kelautan."},{"key":"ref-22","doi-asserted-by":"publisher","first-page":"589","DOI":"10.1186\/s13071-017-2521-x","article-title":"Host-specific Dactylogyrus parasites revealing new insights on the historical biogeography of Northwest African and Iberian cyprinid fish.","volume":"10","author":"A \u0160imkov\u00e1","year":"2017","journal-title":"Parasit Vectors."},{"key":"ref-23","article-title":"Hematology data.","author":"W Amin","year":"2021","journal-title":"figshare."},{"key":"ref-24","article-title":"Tissue structure.","author":"W Amin","year":"2021","journal-title":"figshare."}],"container-title":["F1000Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/f1000research.com\/articles\/10-154\/v2\/xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/f1000research.com\/articles\/10-154\/v2\/pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/f1000research.com\/articles\/10-154\/v2\/iparadigms","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,9,18]],"date-time":"2024-09-18T03:15:33Z","timestamp":1726629333000},"score":1,"resource":{"primary":{"URL":"https:\/\/f1000research.com\/articles\/10-154\/v2"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,5,14]]},"references-count":24,"URL":"https:\/\/doi.org\/10.12688\/f1000research.28259.2","relation":{"has-version":[{"id-type":"doi","id":"10.12688\/f1000research.28259.1","asserted-by":"subject"}],"has-review":[{"id-type":"doi","id":"10.5256\/f1000research.56748.r85401","asserted-by":"subject"},{"id-type":"doi","id":"10.5256\/f1000research.56748.r87579","asserted-by":"subject"},{"id-type":"doi","id":"10.5256\/f1000research.56748.r87579","asserted-by":"object"},{"id-type":"doi","id":"10.5256\/f1000research.56748.r85401","asserted-by":"object"}]},"ISSN":["2046-1402"],"issn-type":[{"value":"2046-1402","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,5,14]]},"assertion":[{"value":"Indexed","URL":"https:\/\/f1000research.com\/articles\/10-154\/v2#article-reports","order":0,"name":"referee-status","label":"Referee status","group":{"name":"current-referee-status","label":"Current Referee Status"}},{"value":"10.5256\/f1000research.56748.r85401, Hafrijal Syandri, Department of Aquaculture, Faculty of Fisheries and Marine Science, Bung Hatta University, Padang, 21 May 2021, version 2, indexed","URL":"https:\/\/f1000research.com\/articles\/10-154\/v2#referee-response-85401","order":0,"name":"referee-response-85401","label":"Referee Report","group":{"name":"article-reports","label":"Article Reports"}},{"value":"10.5256\/f1000research.56748.r87579, Wan Hee Cheng, Faculty of Health and Life Sciences, INTI International University, Nilai, 06 Jul 2021, version 2, indexed","URL":"https:\/\/f1000research.com\/articles\/10-154\/v2#referee-response-87579","order":1,"name":"referee-response-87579","label":"Referee Report","group":{"name":"article-reports","label":"Article Reports"}},{"value":"<b>Windarti Windarti<\/b>; \n<i>Posted: 17 Sep 2024<\/i>; There is no comment from Reviewers anymore and I hope my paper can be indexed. Thank you.","URL":"https:\/\/f1000research.com\/articles\/10-154\/v2#article-response-12450","order":2,"name":"article-response-12450","label":"Article Comment","group":{"name":"article-comments","label":"Article Comments"}},{"value":"This work was supported by Riau University Research Centre, Riau University and the Ministry of Research, Technology and Higher Education . The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.","order":3,"name":"grant-information","label":"Grant Information"},{"value":"This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.","order":0,"name":"copyright-info","label":"Copyright"}]}}