background: the aim of this study was to detect the occurrence of parasites in fish in armand river, chaharmahal va bakhtyari province regarding the importance of native fish population in the river. methods: the occurrence of parasites was investigated in 6 native fish ( capoeta capoeta, c. damas­cina, c. aculeta, barbus barbulus, b. grypus and glyptothorax silviae ) collected from the current...

anzali lagoon can be one of the most important wetlands called the world. this lagoon to support the most fish in the caspian sea is reproduced for the spawn, multiply, and sometimes live, to make the pond.much of rasht and anzali city sewage and agricultural waste area of the lagoon through rivers into the pyrbazar and increased levels of organic pollutants such as nitrite, nitrate, phosphate,...

The effect of different sublethal concentrations of diazinon at 1, 2 and 4 mg/L on some hematological and biochemical parameters of grass carp (Ctenopharyngodon idella) weighing 850±155g was studied after 1, 7, 15, 30 and 45 days post exposure to the toxicant as a bath for 12 hours at 18-22 C. In one day exposure fish to the toxicant, the values of neutrophiles exposed to 2 and 4mg/L wer...

to estimate the effect of microencapsulated fish oil on blood metabolites, rumen and blood plasma fatty acids concentrations twelve sannan dairy goats with 30 ± 5 days in milk (dim) were allocated to 3 treatments in a 3×2 change over design with 2 periods of 30 days. treatments were: 1) the control (without fish oil), 2) microencapsulated fish oil (2% fish oil capsulated in 6% treated whey prot...

fifty-four specimens of the kingsoldier bream, argyrops spinifer (forsskal, 1775) from coastal waters of the persian gulf, in bushehr province, were aged by otolith readings to assess the suitability of using otolith length/weight for age estimation in this fish. otolith length and weight increased along with an increase in length and age of the fish. the relationship between fish length (tl) a...

the stimulatory effect of ovaprim, a commercial spawning inducing agent consisting of salmon gonadotropin releasing analogue (gnrha) and a dopamine d2- receptor antagonist, domperidone, was studied in doctor fish, garra rufa (heckel, 1843) under hatchery conditions. the feeding and rearing condition effects on the survival rate of naturally produced larvae were also evaluated. twenty-five fish ...

this study evaluated the suitability of canola oil as a source of supplemental dietary lipid for rainbow trout. triplicate groups of the 30 fingerlings held under identical culture conditions were fed twice daily by iso-nitrogenous, iso-calorific and iso-lipidic diets for eight weeks. experimental diets consisted of 30.3% protein, 18.7 kjg-1 energy and 16.7% lipid from fish oil (fo), canola oil...