Table 2. Hatching success of 50 mallard eggs treated on the eighth 

 day of incubation with petroleum, propylene glycol, or paraffin 

 mixture 



'Different from the control (P < 0.01). 



Table 3. Hatching success of mallard eggs treated with No. 2 fuel oil 

 or Southern Louisiana crude oil at different times during incubation 



Different from the control (P < 0.01). 

 'Different from the control (P < 0.05). 



64 



