Nghiên cứu tác dụng của sâu chít (Brihaspa atrostigmella Moore) lên một số chỉ số chức năng sinh sản ở chuột cống đực

The oral application of Brihaspa atrostigmella powder to male white mice with the dose of 0.25 g/100 g body weight in 40 days showed the following results: The powder did not affect body weight, testicles, epididymides and antheridium of healthy male mice as well as male mice with anaphrodisia by stress. The weight of epididymides and antheridium of male mice with anaphrodisia increased by heat. Serum testosterone content of healthy male m,ice increased from 5.084 nmol/L to 17.55 nmol/L (p 0.05); of male mice with anaphrodisia by heat increased from 1.072 nmol/L to 5.654 nmol/L (p 0.05); of mice with anaphrodisia by stress increased from 2.398 nmol/L to 6.982 nmol/L (p 0.05). Spermatozoa count of healthy male mice increased from 5.51 x 106 (mil/ml) to 7.93 x 106 (mil/ml) with (p 0.05); of male mice with anaphrodisia by heat increased from 0.41 (mil/ml) to 1.85 (mil/ml) (p 0.05). Testicular images of healthy male mice did not differ but those of male mice with anaphrodisia by heat and by stress. In male mice of all groups, the sperm production process in the testicles and the local activation of sperm cells increased.