نبذة مختصرة : Objective: To study the effects of chlorpiryphos-ethyl (CE) on male fertility. Methods: Rats were gavaged daily from 30 to 120 days old with four doses of CE (10.50; 5.25; 3.50 and 0.00 mg/kg) and thereafter followed up for 90 additional days. Following this period of observation, each male rat was submitted to a fertility test with two virgin females. Male were then sacrificed and organs collected while females were followed up till delivery. Results: The weights of the testis and epididymis were lower (P
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