163 



Table 37- Mortality of immature house flies in the manure of laying 

 hens collected when CGA 72662 was added to the drinking 

 water at the rates of 1.5 and 5.0 ppm. 



5.0 ppm 1.5 ppm Control 



Total Mortal i ty 

 Mean Mortal i ty 

 % Mortal i ty 

 Corrected % Mortal i ty = 



13/15 



6/15 



12/15 



8/15 



10/15 



11/15 



11/15 



7/15 



11/15 



8/15 



14/15 



14/15 



13/15 



13/15 



13/15 



14/15 



14/15 



15/15 



15/15 



15/15 



14/15 



15/15 



13/15 



13/15 



15/15 



15/15 



14/15 



15/15 



15/15 



13/15 



197/225 



182/225 



13.13A 



12.13A 



87.56 



80.89 



34.35 



76.72 



4/15 



3/15 



3/16 



4/16 



0/17 



0/15 



7/15 



2/15 



1/15 



3/15 



2/15 



4/15 



2/15 



6/16 



0/15 



41/229 



2.738 



17-90 



Corrected using Abbott's formula: 

 ; treatment mortality - % check mortality QQ 

 100 - % check mortality 



Note: Means having different letters are significantly 

 different (p < 0.05) • 



