摘要：A study was conducted to determine the effect of endosulfan 35% EC on the egg laying and egg shell thickness in Japanese quails. The birds were fed a diet containing the test article at concentrations of 100, 400 and 1000 ppm in diet for a period of 20 weeks. The egg production, cracked eggs and egg shell thickness were measured and then compared with corresponding parameters in the naïve controls. The feed fortified with 100 and 1000 ppm of Endosulfan 35 EC was stable for a period of 7 days with a loss of 8.2 and 8.0%, respectively. The results of the study indicated that Endosulfan 35% EC at the concentration of 100-1000 (ppm) mg kg-1 feed did not affect egg production and egg quality and thereby there appears to be no adverse effects on reproduction in birds.
