1408 The Cornell Reading-Courses 



8. Describe how eggs in the following conditions should look when 

 tested: (a) fertile; (6) infertile; (c) dead germs; (d) blood rings. What 

 conditions are likely to be found on the seventh day, and what on the 

 fourteenth? 



9. Have you tried dipping eggs that are to be used for hatching? 

 Do you think it worth while? 



lo. Describe fully the manner of disinfecting an incubator. 



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