REVIEW 513 



traps on the tops of some of the tallest poles in the vicinity, and 

 he will soon be a captive. When killed and hung up in the centre 

 of the plant, he serves as a warning to keep others away. 



With poultry plants located in the immediate vicinity of large 

 centres of population, there is increased danger of theft. Appre- 

 ciating this fact, the great majority of commercial poultry men 

 keep well-trained watch dogs about the plant. In some cases they 

 run at large; in others, they may be chained to their houses^ or 

 probably the best practice is to have them located about the border 

 of the plant on long wire trolleys, which will allow them to cover 

 a considerable area. Many poultry breeders are dog breeders as 

 well, often getting a considerable revenue from this side-line. 



REVIEW. 



1. What is fundamental to a practical knowledge of poultry diseases? 



2. Under what conditions is it desirable to treat diseased poultry? 



3. When is it not desirable to treat diseased poultry? 



4. Discuss prevention as compared with curing. 



5. Give three factors essential in maintaining a healthy flock. 



6. Define the word hygiene as used in this chapter. 



7. What three practices are essential to insure clean houses? 



8. Give the composition of a complete disinfecting solution, and tell of its 



effects. 



9. Discuss the effects of sunlight and of moisture in their relation to a sani- 



tary and hygienic house. 



10. Discuss clean feeding. 



11. What is the best practice to guarantee clean yards? 



12. Describe the external appearances of sickness, associated with many 



disorders. 



13. Give external symptoms of roup; tuberculosis; chicken pox; gapes. 



14. Outline method of making a post-mortem examination. 



15. Name five common poultry medicines; state method of use and effect. 



16. Name four common external parasites of poultry. 



17. Describe the effects of body lice. 



18. Describe a good method of spraying fowls for lice. What is used? 



19. Give the composition of a reliable, homemade powder for destroying lice. 



20. Describe the chicken mite and his manner of attack. 



21. Tell how to keep down the ravages of mites. 



22. What is meant by scaly legs? How can the trouble be cured? 



23. Are mosquitoes ever injurious to poultry? What are the effects? 



24. Describe and give method of combating two common intestinal parasites 



of poultry. 



25. Tell how to control the gapeworm. 



26. Name common diseases of the digestive system. 



27. Give a list of diseases of the hen's reproductive organs. 



28. What diseases affect the respiratory system? 



29. When is it desirable to practise poultry surgery? 



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