VIe CONG. INTERN. REPROD. ANIM. INSEM. ARTIF., PARIS, 1968, VOL. II

% o Addition of thawing media
O No addition of flw.m"-’ wadiq

4 7

%, % B

Survivel rafes

S

:

X FGGAMSLRMMXFGAMSL RGhh.XF @G MS L RGlY,
Slow -freezima. semi-rapid -Fr¢¢23*<1 Ropid freezing
allet freezin Dropping »
( P 3) ( ¢;$';d ”.‘*'Q}.K)
(Mean of 20 ejaculates)

Fig. 1 Protective effects of sugars on survival of bull
spermatozoa at different freezing methods

Table 1. Fertility of pellet frozen bull semen diluted with

egg-yolk sugar extender containing no glycerol
(60 days N.R.)

10, wp38eaf A5 sl

Wo oeval ME |53 | 20 1 BEE
0. CLows
tovceved | 10 | e oY

NO. Cows
INSOMIN

    
  
 
   
      
     
 
  
 

  

olk—
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