262 FARM AND SCHOOL PROBLEMS. 



6. What is the freight on a carload of corn from your home 

 market or elevator to the nearest large grain market? 



7. Name the seven leading corn producing states. 



8. Name the seven leading swine producing states. 



9. Compare the lists in answer to questions 7 and 8; give reasons 

 for conclusions. 



10. If corn is relatively rich in oil and starch and deficient in protein, 

 what would you recommend as a complement to help balance the 

 ration ? 



11. Why are Kansas, Nebraska and Iowa well equipped for- feeding 

 balanced rations? 



12. How many hogs are fed annually on the home farm? 



13. How are they fed (give methods of shelter and kind of rations) ? 



14. What is "Hogging-down" corn? Is this a profitable method of 

 feeding? What kind of pasture should be accessible to the hogs 

 fed in this way? 



15. How many different feeding periods in the life of a hog? What 

 is the chief feed for each? 



16. At what age are pigs usually weaned? 



17. Name some causes for stunted pigs. 



18. Name five breeds, giving characteristic color of each. 



19. How does hog cholera spread from one part of the country to 

 another? 



20. Describe the symptoms of hog cholera. 



21. What is the serum treatment for hog cholera? 



22. How long after treatment by vaccination does the hog remain 

 immune? 



In the use of the score cards let the class in agriculture have 

 special tests in judging weights. This can be done on the farm 

 where there are stock scales or at the stock yards when cattle, 

 hogs, sheep and horses are being weighed and loaded for ship- 

 ment. 



