... • • ». ' • • 



A Study of Some Factors 

 Influencing Fertility and Sterility 



in the Bull 



A THESIS 



Presented to the Faculty of the Graduate School 



of Cornell University for the Degree of 



Doctor of Philosophy 



BY 



HERBERT LESTER OILMAN, D. V. M., M. S. 



ii 



Reprinted from the 

 Annual Report of the New York State Veterinary College 



ALBANY 



J. B. LYON COMPANY, PRINTERS 



1922 



