- This
                  method cannot be used for quantitative results.
 
           
            
            - It only shows the presence of helminths eggs or larvae and enables
              the identification of species or groups present.
 
				  
            - The method is relatively insenstitive and dependent on the
              number of eggs in the sample being  high.
 
				  
            - It can be difficult to observe or identify the eggs as they
                  may be partly or completely covered by debris.
 
             
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