316 HEALTH, DISEASE AND ENEMIES 



which can be tightly corked. Each day when the drinking 

 vessel is filled with fresh water, a small amount of the solu- 

 tion should be poured into same until the water is colored 

 light blue. 



Exercise No. 82. — Diagnosis. — Whenever a bird dies 

 from among the school flock or from one of the pupil's flocks 

 it may be brought to school and opened, and the trouble 

 located. Such study of the internal structure of birds will 

 result in a closer interest and a better understanding of the 

 organs even if the exact disease can not in all cases be 

 determined. 



THOUGHT QUESTIONS 



1. What is the cause of most of the common poultry diseases? 



2. Attention to what two factors will largely result in the elimination 



of most of the common diseases? 



3. As soon as signs of disease are noted what should the poultry keeper 



immediately do? 



4. Is doctoring poultry generally satisfactory? 



5. Into what two groups can all common poultry diseases be divided? 



6. Diseases which can be treated as a flock can be divided into what 



two groups according to causes? 



7. Describe the appearance of chicken pox. 



8. What is the effect of chicken pox upon the health of the bird affected? 



9. How can chicken pox be treated? 



10. Discuss the appearance of roup. 



11. Outline a method of treating birds affected with roup. 



12. Where is canker located? 



13. How can canker best be treated? 



14. Describe the appearance of the liver when diseased. 



15. What are some of the common causes of liver troubles? 



16. What are the common causes of indigestion and diarrhoea? 



17. What may prolapsus lead to? 



18. How can cannibalism be checked? 



19. How would you treat a bird affected with bumble foot? 



20. What conditions make possible frozen combs? 



21. What is the effect of frozen combs on the vitality of the bird so 



affected? 



22. Describe the appearance of a bird affected with tuberculosis. 



23. How would you know that a bird was affected with fowl cholera? 



References. — United States Farmers' Bulletins: 473, Tuberculosis; 

 630, Important Poultry Diseases. 



