90 



PRACTICAL POULTRY PRODUCTION 



Figure 91. — -A good hatch. 



QUESTIONS 



1. Name the several parts of the egg. 



2. What are some of the essential features in the selection of 

 eggs for hatching? 



3. Describe a method for packing hatching eggs for shipment. 



4. What is the period of incubation of eggs from the following: 

 Hens? Ducks? Turkeys? Geese? Guineas? 



5. Why should chicks be hatched early? 



6. What is the best time of the year to hatch chickens in your 

 community? 



7. Describe the method of preparing the nest for the sitting hen. 



8. Describe how to set a hen. Why and how should the hen be 

 dusted? 



9. What are the different types of incubators? 



10. What is the object of a thermostat in an incubator? How 

 does it control the temperature? 



11. Describe two kinds of incubator thermometers and their cor- 

 rect position in the incubator. 



12. Describe the essentials of a good incubator cellar. 



13. Describe the method of starting an incubator. 



14. At what temperature should an incubator be run throughout 

 the hatch when the thermometer rests directly on the eggs? ^^'hat is 

 the correct temperature when a hanging thermometer is used through- 

 out the hatch? 



15. Describe the method of caring for the lamp of an incubator. 

 When should the lamp be cleaned and filled, before or after handling 

 the eggs? 



16. Describe the method of turning and cooling eggs. 



