Vie CONG. INTERN. REPROD. ANIM. INSEM. ARTIF., PARIS, 1968, VOL. I

Table 1. Fertility of pellet frozen stallion semen

No. of No. of
mares mares Conception (Liquid
Stallion | inseminated concepted nitrogen
storage,
Conception

rates were
based on the
rectal
palpation)

 

40

Fertility

n
o

 

   

  

-2 3-4 5-6 -8 9-I0 13-14 17-18 21
No, of spermatozoa inseminated (x 108)
Fig. 1 Relationships between fertility and No. of spermatozoa
inseminated.
p. 100 2/20-0 2l | g 4/4
I
80 l
60 l
> | az/i4
£ 40 |
£ :
L 201 g4 (1/16) 76 34.4% (11/32)
o0——00/8

  

I0 20 30 40 50 60 70 80 %
Post-thaw motility

Fig.2 Relationships between fertility and post-thaw motility of sperm.

1599