Obsevations on the effect of feeding Labeo rohita (Ham.) with Microcystis aeruginosa Kütz
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Sublethal temperature stress in juvenile Labeo rohita (Ham-Buch.) and Rita rita (Ham.): some physiological changes.
Juveniles of fish L. rohita and R. rita subjected to a rapid (5 min) sublethal temperature increase from 28 to 35 degrees C showed significant increase in cortisol and decrease in interrenal ascorbic acid. Hypercholesterolemia, hyperglycemia and hyperlactemia were also evident accompanied by increased blood haemoglobin and haematocrit and stable protein levels. Compensatory responses were initi...
متن کاملEffect of Feed and Feeding Strategies on Oocytes Development in Labeo rohita: A Histomorphological Study
The present study was conducted to study the effect of different diets and feeding strategies on the development of oocytes during the pre spawning and post spawning period in Labeo rohita. The study showed the presence of oocytes in different developmental stages viz., primary growth phase, secondary growth phase, maturation phase, post ovulatory phase and atretic oocytes during both pre spawn...
متن کاملStudies on Ulcerative Disease Caused by ProvidenciastuartiiBacteria in Indian Major Carp, Labeo rohita (Ham.)
Rohu (Labeo rohita) is a species of fish of the carp family cyprinidae. A survey was carried out from September, 2012 to August, 2013 to study the prevalence of bacterial ulcerative disease in L. rohita, cultivated in a freshwater farm located at Moongilthuraipattu Village of Villupuram District, Tamil Nadu, India. To mimic the infection in healthy fish, organs such as liver, gill and ulcerativ...
متن کاملZinc induced histological changes in brain and liver of Labeo rohita (Ham.).
Labeo rohita fingerlings were exposed to zinc metal toxicity (5 and 10 ppm) for duration of 5 and 15 days. The histological changes were studied in brain and liver of the treated fish. The brain tissues showed enlarged pyramidal cells with extensive vacoulation while severe necrosis, haemorrhage and degeneration of hepatocytes were witnessed in the liver tissues.
متن کاملInfluence of endosulfan and monocrotophos exposure on the activity of NADPH cytochrome C reductase (NCCR) of Labeo rohita (Ham).
The response of NADPH cytochrome C reductase (NCCR) activity in liver of Labeo rohita fish exposed to the pesticides, 0.25 microgl(-1) endosulfan and 2 mg/l monocrotophos was studied. In terms of specific enzyme activity (mU/mg protein) a significant level of NCCR was observed in the liver tissues of Labeo rohita exposed to the pesticides, when compared to the control fish (2.460 mU/mg protein)...
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ژورنال
عنوان ژورنال: Hydrobiologia
سال: 1967
ISSN: 0018-8158,1573-5117
DOI: 10.1007/bf00189903