Dietetic effects of Tarragon (Artemisia dracunculus) aqueous extract On the Sex Hormones and Histological Changes of the vary In Three Spot Gourami (Trichopodus trichopterus)

The effects of many herbs such as tarragon, fish is unknown.This study evaluated the effect of tarragon extract (Artemisia dracunculus) on changes of histological parameters of ovarian and 11-ketotestosterone, and estradiol-17 beta in Three Spot Gourami (Trichopodus trichopterus).The study was designed by four treatments of tarragon extracts including 0, 500, 1000 and 2000 mg per kg body weight of fish.At the end of the experiment, fish were blood and levels of sex hormone were measured. Then, for histological studies, the ovarian tissue of fish was sampled and tested.Results showed that the amount of 11-ketotestosterone, and estradiol-17 beta hormones is highest in control and lowest in 2000 mg/kg. There was significant different between treatment groups (p<0.05).The histology studies were shown the negative impact of tarragon extract on ovarian tissue of three spot Gourami.