| bioaccumulation of hexachlorocyclohexane, dichlorodiphenyltrichloroethane, and estradiol-17beta in catfish and carp during the pre-monsoon season in india. | this investigation was performed to monitor hexachlorocyclohexane isomers (hchs), dichlorodiphenyltrichloroethane (ddt, and its metabolites, refered to as ddts), plasma levels of estradiol-17beta (e2), and the gonadosomatic index (gsi) between sampling sites of unpolluted ponds of gujartal, jaunpur (control site) and the polluted rivers gomti (jaunpur) and ganga (varanasi), which affect the reproductive physiology of some edible catfish and carp during the pre-monsoon season. hchs and ddts were ... | 2008 | 18649020 |
| environmental issue of exotic catfish culture in uttar pradesh. | a survey was conducted in uttar pradesh to enlist the available exotic fish species in culture. the culture and feeding details of unofficially introduced clarias gariepinus was collected from 419 ponds existing in rural areas of 23 districts of uttar pradesh. the data indicated that 32% ponds were culturing exotic fishes of which 79% cases are of monoculture of exotic african catfish. feeding analysis of these exotic african catfish revealed that 7% cases subsist on natural pond feed while 29% ... | 2001 | 12017262 |
| epizootic infection due to achlya debaryana in a catfish. | achyla debaryana (saprolegniales, oomycetes) is being reported for the first time as a fish pathogen, causing an epizootic of mycosis in a catfish, mastacembelus armatus, in nanak sugar, a huge artificial reservoir and recognized fish production centre in naini tal district, uttar pradesh, india. the incidence of infection was found to be influenced by the physicochemical characteristics of water. the maximum disease severity (52 and 47.4%) occurred in march with moderate water temperature (22-2 ... | 1994 | 7935596 |