Submerged cage culture of fish in supersaturated thermal effluent. 8. Annu. Meet. World Mariculture Society; San Jose (Costa Rica); 9 Jan 1977
-645 A primary drawback for cage culture in heated effluent has been extensive mortalities due to gas bubble disease. This malady, endemic to power plant effluent, is caused by supersaturation of atmospheric gases in water. The objective of this research was to determine the effect of hydrostatic pr...
Main Authors: | , , |
---|---|
Format: | Conference Object |
Language: | unknown |
Published: |
1977
|
Subjects: | |
Online Access: | http://hdl.handle.net/1969.3/23183 |
id |
fttexasamunigalv:oai:tamug-ir.tdl.org:1969.3/23183 |
---|---|
record_format |
openpolar |
spelling |
fttexasamunigalv:oai:tamug-ir.tdl.org:1969.3/23183 2023-11-12T04:25:14+01:00 Submerged cage culture of fish in supersaturated thermal effluent. 8. Annu. Meet. World Mariculture Society; San Jose (Costa Rica); 9 Jan 1977 Chamberlain G Strawn K Ayles GB Brett JR 1977 1977 Jan 9 http://hdl.handle.net/1969.3/23183 unknown 50754.00 http://hdl.handle.net/1969.3/23183 abundance ASW,USA,Texas Atlantic croaker Atmospheric brackishwater aquaculture Cage culture Chaetodipterus faber Death feeding fish fish culture Galveston Bay growth growth rate Lagodon rhomboides Leiostomus xanthurus Micropogon undulatus Mortality Mugil cephalus organisms Pinfish Pogonias cromis Q1 01582 Fish culture Red drum Sciaenops ocellata Survival Temperature Texas thermal aquaculture USA water water temperature winter CONF 1977 fttexasamunigalv 2023-10-30T16:14:56Z -645 A primary drawback for cage culture in heated effluent has been extensive mortalities due to gas bubble disease. This malady, endemic to power plant effluent, is caused by supersaturation of atmospheric gases in water. The objective of this research was to determine the effect of hydrostatic pressure as a possible remedy for gas bubble disease in the discharge canal of a Galveston Bay, Texas, steam-electric plant. Seven estuarine fishes, pinfish (Lagodon rhomboides), spot (Leiostomus xanthurus), Atlantic croaker (Micropogon undulatus), black drum (Pogonias cromis), red drum (Sciaenops ocellata), Atlantic spade-fish (Chaetodipterus faber), and striped mullet (Mugil cephalus), were caged at the surface and bottom of the 3 m-deep discharge canal where total gas saturation frequently exceeded 120% during winter months. Survival in surface cages averaged 1% after 2 weeks, while survival in bottom cages averaged 81% after 12 weeks. No supplemental food was allotted, but an abundance of small organisms was continually sluiced down the discharge canal through the cages. Winter growth rates generally surpassed those of comparable species cultured elsewhere in the cooling water system at ambient temperature and fed a prepared ration. As discharge water temperature approached 35 degree C, growth rates declined. Other factors affecting growth were cage mesh size, species type, and size of individuals. All fish were maintained in the heated effluent until thermal death to determine the upper lethal temperature limits. These results indicate that submerged cage culture in power plant effluent might offer a significant savings to the culturist by increasing winter growth rates without the expense of feeding http://gbic.tamug.edu/request.htm Conference Object Red drum Texas A&M University Galveston Campus: DSpace Repository San Jose ENVELOPE(-58.067,-58.067,-63.917,-63.917) |
institution |
Open Polar |
collection |
Texas A&M University Galveston Campus: DSpace Repository |
op_collection_id |
fttexasamunigalv |
language |
unknown |
topic |
abundance ASW,USA,Texas Atlantic croaker Atmospheric brackishwater aquaculture Cage culture Chaetodipterus faber Death feeding fish fish culture Galveston Bay growth growth rate Lagodon rhomboides Leiostomus xanthurus Micropogon undulatus Mortality Mugil cephalus organisms Pinfish Pogonias cromis Q1 01582 Fish culture Red drum Sciaenops ocellata Survival Temperature Texas thermal aquaculture USA water water temperature winter |
spellingShingle |
abundance ASW,USA,Texas Atlantic croaker Atmospheric brackishwater aquaculture Cage culture Chaetodipterus faber Death feeding fish fish culture Galveston Bay growth growth rate Lagodon rhomboides Leiostomus xanthurus Micropogon undulatus Mortality Mugil cephalus organisms Pinfish Pogonias cromis Q1 01582 Fish culture Red drum Sciaenops ocellata Survival Temperature Texas thermal aquaculture USA water water temperature winter Chamberlain G Strawn K Ayles GB Brett JR Submerged cage culture of fish in supersaturated thermal effluent. 8. Annu. Meet. World Mariculture Society; San Jose (Costa Rica); 9 Jan 1977 |
topic_facet |
abundance ASW,USA,Texas Atlantic croaker Atmospheric brackishwater aquaculture Cage culture Chaetodipterus faber Death feeding fish fish culture Galveston Bay growth growth rate Lagodon rhomboides Leiostomus xanthurus Micropogon undulatus Mortality Mugil cephalus organisms Pinfish Pogonias cromis Q1 01582 Fish culture Red drum Sciaenops ocellata Survival Temperature Texas thermal aquaculture USA water water temperature winter |
description |
-645 A primary drawback for cage culture in heated effluent has been extensive mortalities due to gas bubble disease. This malady, endemic to power plant effluent, is caused by supersaturation of atmospheric gases in water. The objective of this research was to determine the effect of hydrostatic pressure as a possible remedy for gas bubble disease in the discharge canal of a Galveston Bay, Texas, steam-electric plant. Seven estuarine fishes, pinfish (Lagodon rhomboides), spot (Leiostomus xanthurus), Atlantic croaker (Micropogon undulatus), black drum (Pogonias cromis), red drum (Sciaenops ocellata), Atlantic spade-fish (Chaetodipterus faber), and striped mullet (Mugil cephalus), were caged at the surface and bottom of the 3 m-deep discharge canal where total gas saturation frequently exceeded 120% during winter months. Survival in surface cages averaged 1% after 2 weeks, while survival in bottom cages averaged 81% after 12 weeks. No supplemental food was allotted, but an abundance of small organisms was continually sluiced down the discharge canal through the cages. Winter growth rates generally surpassed those of comparable species cultured elsewhere in the cooling water system at ambient temperature and fed a prepared ration. As discharge water temperature approached 35 degree C, growth rates declined. Other factors affecting growth were cage mesh size, species type, and size of individuals. All fish were maintained in the heated effluent until thermal death to determine the upper lethal temperature limits. These results indicate that submerged cage culture in power plant effluent might offer a significant savings to the culturist by increasing winter growth rates without the expense of feeding http://gbic.tamug.edu/request.htm |
format |
Conference Object |
author |
Chamberlain G Strawn K Ayles GB Brett JR |
author_facet |
Chamberlain G Strawn K Ayles GB Brett JR |
author_sort |
Chamberlain G |
title |
Submerged cage culture of fish in supersaturated thermal effluent. 8. Annu. Meet. World Mariculture Society; San Jose (Costa Rica); 9 Jan 1977 |
title_short |
Submerged cage culture of fish in supersaturated thermal effluent. 8. Annu. Meet. World Mariculture Society; San Jose (Costa Rica); 9 Jan 1977 |
title_full |
Submerged cage culture of fish in supersaturated thermal effluent. 8. Annu. Meet. World Mariculture Society; San Jose (Costa Rica); 9 Jan 1977 |
title_fullStr |
Submerged cage culture of fish in supersaturated thermal effluent. 8. Annu. Meet. World Mariculture Society; San Jose (Costa Rica); 9 Jan 1977 |
title_full_unstemmed |
Submerged cage culture of fish in supersaturated thermal effluent. 8. Annu. Meet. World Mariculture Society; San Jose (Costa Rica); 9 Jan 1977 |
title_sort |
submerged cage culture of fish in supersaturated thermal effluent. 8. annu. meet. world mariculture society; san jose (costa rica); 9 jan 1977 |
publishDate |
1977 |
url |
http://hdl.handle.net/1969.3/23183 |
long_lat |
ENVELOPE(-58.067,-58.067,-63.917,-63.917) |
geographic |
San Jose |
geographic_facet |
San Jose |
genre |
Red drum |
genre_facet |
Red drum |
op_relation |
50754.00 http://hdl.handle.net/1969.3/23183 |
_version_ |
1782339556805181440 |