Egg production of tench (Tinca tincaL.) kept in semi-intensive culture conditions
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چکیده
منابع مشابه
Eurasian tench (Tinca tinca): the next Great Lakes invader
A globally invasive fish, Eurasian tench (Tinca tinca) is spreading through the St. Lawrence River and poses an imminent invasion threat to the Great Lakes. Following its illegal release into a tributary of the St. Lawrence River in 1991, tench has spread throughout the river’s main stem over the past decade, and its abundance in commercial fishing bycatch in the river has grown exponentially. ...
متن کاملTrend of changes in the sexual Fractures in Tench (Tinca tinca) in Anzali Wetland and breeding conditions
In this study, tissue changes of the sex organs in the Tinca tinca fish in Anzali wetland and breeding conditions was compared. 96 fish were collected from the cultivating pool and 36 others from Anzali wetland. In the microscopic study of Tench and ovaries and testicles in different stages of sexual activity, from the samples of the wetland, from 3 fish of ovary, two of them were in stage III-...
متن کاملExperimental lead nitrate poisoning: microscopic and ultrastructural study of the gills of tench (Tinca tinca, L.).
A microscopic, ultrastructural, and morphometric study was made of the gills of tench (Tinca tinca, L.) subjected to acute experimental lead nitrate poisoning. Twenty-one adult tench were subjected to poisoning and a further 22 were used as controls. Lesions were characterized by the appearance of edema and epithelial hyperplasia and necrosis, both in cells forming part of the filtration barrie...
متن کاملHaematopoietic Potential of Tench (tinca Tinca) Pronephros in Relation to Ambient Temperature and Relative Condition Factor
The aim of this study was to detect the correlation between the change in the ambient temperature and adaptation of the pronephros – the main haematopoietic organ in fish, which so far has not been subject of research. Compared with other teleosts and their number of blood cells in peripheral blood, tench (Tinca tinca L. 1758) showed the corresponding trend of changes in number of pronephros ha...
متن کاملEffects of Mixture of Pharmaceuticals on Early Life Stages of Tench (Tinca tinca)
Ubiquitous occurrence of pharmaceuticals in aquatic environment results in concern about potential adverse the effects on nontarget organisms. In water, drugs are present in complex mixtures, in which complicated interactions affect toxicity of single components. The purpose of this study was to examine effect of 35-day-long exposure to mixture of ibuprofen, diclofenac, and carbamazepine on the...
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ژورنال
عنوان ژورنال: Knowledge and Management of Aquatic Ecosystems
سال: 2008
ISSN: 1961-9502
DOI: 10.1051/kmae:2008007