Limnological changes in a pond ecosystem caused by grass carp (<I>Ctenopharyngodon idella</I> Val.) low stocking density
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چکیده
منابع مشابه
Seasonal changes of pronephros lymphoid tissue in grass carp (Ctenopharingodon idella): a histometrical and histological study
The major lymphoid tissues in teleost fish are the kidneys, thymus, spleen and mucosa-associatedlymphoid tissue including the skin, gills and intestine. The head of kidney (pronephros) is an importanthaematopoietic organ and has morphological similarities with the bone marrow in higher vertebrates. In thisstudy, during 12 months from August 2002 to July 2003, 120 grass carp (10 fish/month) were...
متن کاملLimnological investigations of Texi Temple pond in district Etawah (U.P.).
Present investigations were carried out on the limnological aspects of Texi temple pond in district Etawah. Many of the parameters were found below the permissible limits for drinking water as suggested by WHO. A total of 18 parameters were analysed and their seasonal variations in the year 2003 were discussed.
متن کاملEffect of Stocking Density on Monosex Nile Tilapia Growth during Pond Culture in India
Stocking density is considered one of the important factors affecting fish growth. But, information related to impact of stocking density on growth performance of monosex tilapia population under the ecological conditions of Gangetic plains in West Bengal, India is limited. The aim of our study was to compare the growth potential of monosex tilapia at various stocking densities and to determine...
متن کاملCase report of chondroma in a grass carp (Ctenopharyngodon idella)
The grass carp (Ctenopharyngodon idella) is a herbivorous, freshwater fish species of the family Cyprinidae, and the only species of the genus Ctenopharyngodon. Neoplasms in fishes are generally less aggressive than neoplasms in mammals and are most commonly discrete, focal and benign neoplasms. A 3-year-old grass carp with a big mass on the vertebrae was referred to the clinic...
متن کاملNutrient cycling in a simulated pond ecosystem.
Mathematical modeling of ecosystems requires a considerable amount of knowledge about the subsystems functioning within the broad framework and the various rate processes and transfer coefficients that control the dynamic aspects. A detailed analysis of the transfer rates and budget of inorganic carbon and nutrients in a simulated pond was conducted for assessment and comparison with aquatic bo...
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ژورنال
عنوان ژورنال: Czech Journal of Animal Science
سال: 2009
ISSN: 1212-1819,1805-9309
DOI: 10.17221/1737-cjas