ILLUSTRATIONS xiii 



80. Front View of Shed-roof House 313 



81. End View of Shed-roof House 313 



82. A lype of Galvanized Metal Portable Pen 314 



83. Attachment for Shed-roof Portable Pen to Give Outbids Shade 315 



84. End View of Farrowing Pen 316 



85. Front View of Farrowing Pen 317 



86. A Form of Brood House for Sow and Pigs 321 



87. Type of Hog Oiler to Destroy Vermin 323 



88. Hog Dipping Vat • 324 



89. Concrete Hog Wallow 324 



90. Ulcers (Large Intestine), Chronic Form 328 



91. "Button Ulcers" (Large Intestine), Chronic Form 328 



92. Group of Cholera Pigs 328 



93. Injecting Serum behind Shoulder (Large Hog) 329 



94. Injecting Serum into Muscle of Ham (Pig) 330 



95. Injecting Serum behind Ear (Large Hog) 331 



