130 



BOVINE OBSTETRICS 



"Weber tells of a case of maceration where adhesions 

 between the uterus and abomasum took place. The latter wis 

 probably perforated by a macerated bone, as a consequence of 

 which food was found in the uterus. In the cow, cases of 

 maceration are, as a rule, followed by a purulent metritis and 

 parametritis, — even adhesions, — but expulsion of the foetus 

 through abnormal passages must be rare. 



It is the rule that the bones are evacuated via the cervical 

 canal, or that the patient dies before it can occur with pysernia. 



Fig. 18. — Macerated Foetus. 



Symptoms.— Now and then a small amount of thick pus is 

 discharged from the vagina, so that the owner, imagining the 

 animal not to be pregnant, thinks of leucorrhcea. While the 

 i»us is evacuated, bones are also discharged, sometimes lying 

 in the vagina, amidst a purulent mass, days and weeks. The 

 whole process may persist for a long time, months may pass, 

 before the whole of the macerated mass is expelled (Franck). 



In most cases, while offering such symptoms, the cow 

 emaciates some, but seems healthy otherwise, eats well, rumin- 

 ates and gives a fair amount of milk. Straining is only occa- 



