serie 1 AGING EFFECTS serie 2 ““I““ I“ I COLD SHOCK EFFECTS i Table I, Influence cold shock during 5 minutes on ejaculated boar spermatozoa Temp. interval |% live sp.| % normal sp.| morphological changes acrosome 2 4 without C.S. C.S..302,20° 302,15° ¢ o 305 2 1094 0e 30°> 5° C 302833084 C 1220