Results 201 to 210 of about 11,175 (253)
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Journal of the Hellenic Veterinary Medical Society
Nowadays, the presence of organochlorine pesticides in aquatic ecosystems is one of the main environmental concerns, due to the persistent, bioaccumulative and toxic nature of these compounds.
S. Bakhshalizadeh +5 more
semanticscholar +1 more source
Nowadays, the presence of organochlorine pesticides in aquatic ecosystems is one of the main environmental concerns, due to the persistent, bioaccumulative and toxic nature of these compounds.
S. Bakhshalizadeh +5 more
semanticscholar +1 more source
Determination of normal values of some blood serum enzymes in Acipenser stellatus Pallas
Fish Physiology and Biochemistry, 2008Hematological studies on fishes have assumed greater significance due to the increasing emphasis on pisciculture and greater awareness of the pollution of natural water resources. Such studies have generally been used as an effective and sensitive index to monitor physiological and pathological changes in fishes, especially in the management of ...
D, Shahsavani +2 more
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Environmental Science and Pollution Research, 2016
Silver nanoparticles (AgNPs) are widely used in consumer products mainly due to their antimicrobial action. The rapidly increasing use of nanoparticles (NPs) has driven more attention to their possible ecotoxicological effects. In this study, the acute toxicity of colloidal AgNPs was evaluated during the embryonic stage of Persian sturgeon (Acipenser ...
Ashkan, Banan +3 more
openaire +2 more sources
Silver nanoparticles (AgNPs) are widely used in consumer products mainly due to their antimicrobial action. The rapidly increasing use of nanoparticles (NPs) has driven more attention to their possible ecotoxicological effects. In this study, the acute toxicity of colloidal AgNPs was evaluated during the embryonic stage of Persian sturgeon (Acipenser ...
Ashkan, Banan +3 more
openaire +2 more sources
2002
در این تحقیق اثرات هورمون LHRHa، ترکیبی از هیپوفیز کپور ماهیان و تاسماهیان (CCP+SPE) هورمون تیروکسین در حالت تلفیق با هیپوفیز تاسماهیان نسبت به روشهای مرسوم در مراکز تکثیر و پرورش ماهیان خاویاری جهت القاء رسیدگی جنسی مورد مقایسه قرار گرفتهاند. آزمایشات با مقادیر مختلفی از هورمونها و در تکرارهای متفاوت برای دستیابی به بهترین نوع هورمون و میزان مؤثر آن ...
openaire +1 more source
در این تحقیق اثرات هورمون LHRHa، ترکیبی از هیپوفیز کپور ماهیان و تاسماهیان (CCP+SPE) هورمون تیروکسین در حالت تلفیق با هیپوفیز تاسماهیان نسبت به روشهای مرسوم در مراکز تکثیر و پرورش ماهیان خاویاری جهت القاء رسیدگی جنسی مورد مقایسه قرار گرفتهاند. آزمایشات با مقادیر مختلفی از هورمونها و در تکرارهای متفاوت برای دستیابی به بهترین نوع هورمون و میزان مؤثر آن ...
openaire +1 more source
2009
Age and growth rate of Black Sea starry sturgeon (Acipenser stellatus, Pallas 1771) were studied based on analysis of pectoral fin spine sections internal structure. Time of annual growth marks formation was determined. Parameters of von Bertalanffy growth equation were estimated.
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Age and growth rate of Black Sea starry sturgeon (Acipenser stellatus, Pallas 1771) were studied based on analysis of pectoral fin spine sections internal structure. Time of annual growth marks formation was determined. Parameters of von Bertalanffy growth equation were estimated.
openaire +1 more source
1978
The neurohypophysis and thyroid gland of fry A. stellatus and A. guldenstadti during downstream migration were studied histologically. The fish were captured at four places on their way down the Volga to the Caspian Sea, where no wide fluctuations of water salinity occurred.
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The neurohypophysis and thyroid gland of fry A. stellatus and A. guldenstadti during downstream migration were studied histologically. The fish were captured at four places on their way down the Volga to the Caspian Sea, where no wide fluctuations of water salinity occurred.
openaire +1 more source
Entirely male gynogenetic offspring of Acipenser stellatus (Pisces, Acipenseridae)
Doklady Biological Sciences, 2008O A, Badrtdinov +7 more
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