A UNIT IN AGRICULTURE 23 



(b) Mutton producing Shropshire, Southdown, and Cots- 

 wold. 



3. Care of sheep. 

 Literature. 



Plumb, Types and Breeds of Farm Animals, pp. 333-454. 

 Farmers' Bulletins, Nos. 96, 119, 159. 



IV. Swine. 



1. A study of the following principal breeds: Poland-China, 



Berkshire, Duroc-Jersey, Chester White, Hampshire, 

 Tarn worth, Large Yorkshire. 



2. Care of swine. 



3. Diseases of swine and how to control or prevent them. 



(a) Hog cholera. 



(b) Tuberculosis. 

 Literature. 



Farmers' Bulletins, Nos. 100, 133, 222, 272, 296, 315, 329. 

 Plumb, Types and Breeds of Farm Animals, pp. 467-554. 



V. Poultry. Chickens. 



1. The four principal types. 



(a) Meat type. 



(b) Egg type. 



(c) General purpose type. 



(d) Ornamental type. 



2. Breeds. 



(a) Meat type or Asiatic class Brahma, Cochin, Langshan. 



(b) Egg type or Mediterranean class Leghorns, Minorca, 



Black Spanish. Ex. 55. 



(c) General purpose or American class Plymouth Rock, 



Wyandotte, Rhode Island Red. 



3. Care of poultry. 



(a) Feeding chickens. 



(b) The incubator. 



(c) The chicken house. Ex. 56. 



