160 



Table 35- Treatment and sample collection schedule when CGA 72662 was 

 added to the drinking water of laying hens as an oral 

 larv ic ide. 



Day 1 Began daily treatment with CGA 72662 at 



1 . 5 and 5 -0 ppm. 



Day 7 First sample group of 5 cups of manure 



per treatment was collected. 



Day 11 Second sample group of 10 cups of manure 



per treatment was collected. 



Day 16 Discontinued daily treatment with CGA 



72662 at 1.5 and 5-0 ppm. All birds were 

 returned to 500 ml H2O 3 times daily. 



Day 22 Began daily treatment with CGA 72662 at 



10 and 20 ppm. Replaced polyethylene 

 under cages and in water troughs. 



Day 29 First sample group of 5 cups of manure 



per treatment was collected. 



Day 30 Discontinued daily treatment with CGA 



72662 at 10 and 20 ppm. All birds were 

 returned to 500 ml H 2 3 times daily. 

 Replaced polyethylene under cages. 



Day 33 One sample group of 5 cups of manure per 



treatment was collected 3 days post- 

 treatment. 



Day 35 One sample group of 5 cups of manure per 



treatment was collected 5 days post- 

 treatment . 



