696 



Veterinary Obstetrics 



The causes of torsion have not been fully determined. Any- 

 thing which may violently disturb the uterus may cause it to 

 turn upon its long axis. We have noted the peculiar anatomical 

 relations of the uterus of the cow. Another peculiarity is 

 that when she gets up she rises first upon her hind feet, 

 which causes the gravid uterus to hang half suspended by the 

 vagina in the abdominal cavity. When thus partially suspended, 

 any slipping upon a wet floor or misstep into a deep gutter may 



L 



C 



Fig. 115. The Mechanism of Torsion of the Uterus in the Cow. 



One-half Revolution of the Gravid Uterus on its Long 



Axis at about the 7Th month ok Pregnancy. 



Lettering same as Fig. 114. 



