SPA^'lN(i SOWS 183 



hooked knife begin the incision two to three inches below the brim of the 

 pubis and one-half inch either to the right or left of the median line. This 

 incision should be extended downward about f>nc and oncdialf to two incbes, 



Fig. 176— Cystic ovaries that weiglied 4 pounds, removed from a sow weighing 

 170 pounds. A, Uterus; B-B, horns; C-C, ovaries. 



and should include all layers of tlie abdominal wall, down to the peri- 

 toneum. 



The peritoneum is now punctured with the point of the hooked knife, 

 after which tlie incision is enlarged sufficiently to admit the index finger 



