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Eryan Huri
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Environmental Science

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TOKSISITAS LIMBAH CAIR MINYAK BUMI TERHADAP BENIH KERAPU BEBEK (Cromileptis altivelis) ', Syafriadiman; Huri, Eryan; Harahap, Sampe
Berkala Perikanan Terubuk Vol 37, No 1 (2009): Februari 2009
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (687.103 KB) | DOI: 10.31258/terubuk.37.1.%p

Abstract

Acute toxicity and sub-acute test of heavy metal Cd (cadmium) to fish ofcath-fish (Cromileptes altivelis) have been done from January 10th-March 20th2009 in Laboratory of Water Quality Management, Faculty of Fisheries andMarine Science, Riau University, Pekanbaru. This experiment aimed to determinethe lethal and sub-acute toxicities of the heavy metal Cd (cadmium) toxicantconcentration to fish of the cath-fish, Cromileptes altivelis, which is an importantof fish species freshwater culture in Indonesia, especially in Riau. Result of theexperiments indicated that heavy metal Cd (cadmium) concentrations have aneffect on to mortalitas, absolute weight growth, daily growth rate, survival rateand behavior of Cromileptes altivelis). LC50 96 value was 1,295 mg/L. And AF(Application factor) value is 0,01. Evaluation on the safe concentration level ofthe heavy metal Cd (cadmium) toxicant was based on the data obtained fromsubchronic tests (i.e. effects on the absolute weight growth, daily growth rate,survival rate and behaviour). The estimate values of NOEC (No Observed EffectConcentration) for heavy metal Cd (cadmium) toxicant was 0,013 mg/L.
PENGARUH KONSENTRASI ALK(SO4)2 12H2O (ALUMINIUM POTASSIUM SULFAT) TERHADAP PERUBAHAN BUKAAN OPERKULUM DAN SEL JARINGAN INSANG IKAN NILA MERAH (Oreochromis niloticus) Eryan Huri; Syafriadiman '
Berkala Perikanan Terubuk Vol 37, No 2 (2009): Juli 2009
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2038.618 KB) | DOI: 10.31258/terubuk.37.2.%p

Abstract

This research was conducted since September until November 2008 at theWater Quality Management and Paracyties and Desease of Fish LaboratoryFaculty of Fishery and Marine Science Riau University. The aims of this researchwas to identify the damage of gill tissue structure red tilapia (Oreochromisniloticus). This research using experimental method and use completed randomdesign 1 factor with 4 treatments and 3 replications. This research using red tilapiathe measure of 8-10 cm, weight 30-40 gram from the hatchery in Pekanbaru.Result of the research show the toxicant giving effect on gill structure changes ofred tillapia fish. Fish of treatment experience of the change of structure of gillnetwork, especially happened by the nekrosis, proliferasi cells, a few moltenlamella, haemorhage and there are worm, and also secondary lamella.Concentration of toxicant hence smaller footage and apart between secondarylamella of red tillapia fish. On the contrary, excelsior of concentration of toxicant,hence wide progressively secondary lamella of gill red tillapia fish. Result of theexperiments indicated that toxicant of the AlK(SO4)212H2O concentrations havean effect on the gills tissue structure of red tilapia. Concentrations of toxicantincrease caused the gills tissue structure came to be better.
PENGARUH KONSENTRASI ALK(SO4)2 12H2O (ALUMINIUM POTASSIUM SULFAT) TERHADAP PERUBAHAN BUKAAN OPERKULUM DAN SEL JARINGAN INSANG IKAN NILA MERAH (Oreochromis niloticus) Eryan Huri; Syafriadiman '
Berkala Perikanan Terubuk Vol 38, No 2 (2010): Juli 2010
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2039.438 KB) | DOI: 10.31258/terubuk.38.2.%p

Abstract

This research was conducted since September until November 2008 atthe Water Quality Management and Paracyties and Desease of Fish LaboratoryFaculty of Fishery and Marine Science Riau University. The aims of this researchwas to identify the damage of gill tissue structure red tilapia (Oreochromisniloticus). This research using experimental method and use completed randomdesign 1 factor with 4 treatments and 3 replications. This research using red tilapiathe measure of 8-10 cm, weight 30-40 gram from the hatchery in Pekanbaru.Result of the research show the toxicant giving effect on gill structure changes ofred tillapia fish. Fish of treatment experience of the change of structure of gillnetwork, especially happened by the nekrosis, proliferasi cells, a few moltenlamella, haemorhage and there are worm, and also secondary lamella.Concentration of toxicant hence smaller footage and apart between secondarylamella of red tillapia fish. On the contrary, excelsior of concentration of toxicant,hence wide progressively secondary lamella of gill red tillapia fish. Result of theexperiments indicated that toxicant of the AlK(SO4)212H2O concentrations havean effect on the gills tissue structure of red tilapia. Concentrations of toxicantincrease caused the gills tissue structure came to be better.
Co-Authors Sampe Harahap Syafriadiman, Syafriadiman