Tissue Changes In Puffers Exposed To Methoxychlor And Methyl Parathion
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| Author | : Ronald Eisler |
| Publisher | : |
| Total Pages | : 18 |
| Release | : 1967 |
| Genre | : Insecticides |
| ISBN | : |
Adult northern puffers were exposed for periods up to 45 days to either 30 parts per billion (ppb) of the organochloride insecticide methoxychlor, 20, 200 ppb of the organophosphorous insecticide methyl parathion, or to a combination of 15 ppb of methoxychlor and 10, 100 ppb of methyl parathion. These concentrations will produce approximately 5 percent mortality in 96 hours under the conditions of the experiment. Profiles were constructed on the effects of each insecticide on blood and tissue components. The visual patterns provided by these profiles suggest a means of identifying unfavorable environmental conditions before the appearence of obvious morphological or physiological changes.
| Author | : |
| Publisher | : |
| Total Pages | : 498 |
| Release | : 1962 |
| Genre | : Fish-culture |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 670 |
| Release | : 1970 |
| Genre | : Fish culture |
| ISBN | : |
| Author | : United States. Bureau of Sport Fisheries and Wildlife |
| Publisher | : |
| Total Pages | : 576 |
| Release | : 1966 |
| Genre | : Fish-culture |
| ISBN | : |
| Author | : United States. Bureau of Sport Fisheries and Wildlife |
| Publisher | : |
| Total Pages | : 736 |
| Release | : 1970 |
| Genre | : Fish culture |
| ISBN | : |
| Author | : R. E. Putz |
| Publisher | : |
| Total Pages | : 32 |
| Release | : 1972 |
| Genre | : Cryptobia |
| ISBN | : |
Studies on two hemoflagellates of fish were carried out to determine biological parameters: host range, vector relations, in vivo culture, in vitro culture, pathogenicit, and cryogenic preservation.
| Author | : Nilola N. Fijan |
| Publisher | : |
| Total Pages | : 16 |
| Release | : 1970 |
| Genre | : Channel catfish virus disease |
| ISBN | : |
In epizootics of channel catfish virus diseasse (CCVD) at four widely separated fish farms in 1968, affected fry and fingerlings spiraled, hung in a vertical position with head at the surface, or were distressed. In various combinations were edema, hemorrages, and anemia. The disease had a peracute to acute course, and stress to the fish preceded most epizootics. The virus induced formation of syncytial cells in affected cultures, which is considered at present to be of diagnostic significance. Secondary bacterial infections were found in fish with CCVD. Columnaris infection masked the symptoms of the virus disease.
| Author | : United States. Superintendent of Documents |
| Publisher | : |
| Total Pages | : 1012 |
| Release | : 1968 |
| Genre | : Government publications |
| ISBN | : |
| Author | : Murty |
| Publisher | : CRC Press |
| Total Pages | : 155 |
| Release | : 2018-05-04 |
| Genre | : Medical |
| ISBN | : 1351085824 |
The present work is the first major attempt at reviewing comprehensively all the available information about the environmental fate and behaviour of the xenobiotic chemicals.
| Author | : |
| Publisher | : Ardent Media |
| Total Pages | : 398 |
| Release | : 1977 |
| Genre | : Nature |
| ISBN | : 9780876555477 |
