79 



yet I feed cottonseed meal all the time, summer and 

 winter, when lean get it and I feed oil meal summer 

 and winter when I can get it. 



Me. Gray : Do you know of anything which, fed in 

 moderation, will produce abortion ? 



Mr. Gurler : No, I do not of my own knowledge. 

 I presume, of course, that ergot will, but I don't know 

 myself. 



Mr. Lloyd: For a thousand-pound cow, what would 

 you call a moderate feed of oil meal? 



Mr. Boyd : My cows average about eight hundred 

 pounds. I feed two pounds of cottonseed meal and 

 one pound of oil meal a day to the cows that are in full 

 flow. I don't feed so much as that in the summer. 



The Chairman : Mr. Boyd, what do you say as to 

 the cause of this disease? 



Mr. Boyd : There are probably a hundred different 

 causes and I doubt if any live man can tell all the 

 causes. We must understand there are a great many 

 different kinds. There is an abortion that is not infect- 

 ious at all, where a cow may have an accident, she may 

 take an overdraught of very cold ice water ; another 

 cow may hook her or many other things might happen 

 that would produce abortion, which would not be con- 

 tagious. At the same time it is not safe to have other 

 cows around at that time. It is not advisable even to 

 have a cow calve in the same barn with the other cows. 

 There is a sympathy from one cow to another that we 

 men do not have for each other. You know animals 

 are more sensitive in some respects than we are. They 

 are far more sensitive in their sense of smell than we 

 are. 



Mr. Graham: I believe Prof. Stewart advances the 

 idea that feeding oil meal is conductive to abortion, but 



