The distribution and reproductive success of fish were examined in Dutch soft waters of varying pH. In total, 20 fish species were encoun­ tered. The lowest pH-values at which fish species were observed varied remarkably. Umbra pygmaea and Tinea tinea appeared to be extremely acid tolerant and occurred in waters with pH-values below 4.0. Abramis brarna, Cyprinus carpio, E’sox iucius, Misgumus f...

During the present investigation, 23 species of fish in Lithuanian inner waters were examined for helminth parasites. Of these, 63 taxa helminths – 56 Plathyhelminthes, five Nematoda, and two Acanthocephales found. Monogenea Gyrodactylus truttae was registered Lithuania first time. Metacercariae flukes Diplostomum sp., Posthodiplostomum cuticula, Tylodelphys clavata found highest number host sp...

in the present study histological studies was conducted after the female abramis brama orientalis was exposed to eight treatment phases in which lhrha2 (3 μg/kg), metoclopramide (5 mg/kg), and chlorpromazine (10 mg/kg) were inoculated. the treatments were characterized by combined and solitary injections, control group (o injection), and experimental group (saline). the results showed that all ...

synthetic lhrha or its superactive analogues stimulate gth release. it shows an overlap in the biological activity of lhrha and gnrh in many teleost species. the aim of the present study was to investigate the effects of lhrha2, metoclopramide and chlorpromazine on hpg axis and plasma levels of ght ii. luteinizing hormone releasing hormone analogue 2 (lhrha2) (3 mg/kg) with dopamine antagonis’s...