Preservation of Bull Semen at Sub-Zero Temperatures

by N. L. VanDemark; M. E. Friedman; W. C. Kinney; W. J. Miller; Carlos Rodriguez

AT SUB-ZERO TEMPERATURES

By	N. L. VanDemark
	W. J. Miller
	W. C. Kinney, Jr.
	Carlos Rodriguez
	M. E. Friedman

Bulletin 621

UNIVERSITY OF ILLINOIS
AGRICULTURAL EXPERIMENT STATION

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