ANIMAL BREEDING 531 



10. What are the best milk producers in your county or state ? What 

 are their records ? Of what breed are they ? How do their records com- 

 pare with others of the same breed ? of different breeds ? 



11. For what purposes is butter fat more important than total yield? 



12. What are the advantages of white eggs over brown ones ? What 

 are the disadvantages ? 



13. How is the Babcock test carried out ? On what principles is it 

 based ? 



14. Why is it important to know whether a given character in an ani- 

 mal is acquired or inherited ? How can we find out ? 



15. Why is it important to know whether acquired characters may be 

 transmitted ? What reasons are there for beheving that they are trans- 

 mitted? that they are not? 



REFERENCE READINGS 



Waters, H. J. Essentials of the New Agriculture, chaps, xvi, xviii-xxiii. 



Farmers' Bulletin 1327, Canaries, their Care and Management. 



Farmers' Bulletin 1373, Homing Pigeons. 



Farmers' Bulletin 525, Raising Guinea Pigs. 



Farmers' Bulletin logo, Rabbit-Raising. 



Farmers' Bulletin 1167, Essentials of Animal Breeding. 



United States Department of Agriculture. Bulletin goj, Principles of 



Animal Breeding. 

 Farmers' Bulletin 893, Breeds of Dairy Cattle. 

 Farmers' Bulletin 1263, Breeds of Swine. 

 Farmers' Bulletin 576, Breeds of Sheep. 

 Farmers' Bulletin 619, Breeds of Draft Horses. 

 Farmers' Bulletin 952, Breeds of Light Horses. 

 United States Department of Agriculture. Yearbook for 191 6. Reprint 



748, Cooperative Bull Associations. 

 Farmers' Bulletin 1221, Ornamental Breeds of Chickens. 



