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

Table 1. Comparison of per cent unstained spermatOZoao
(Eosin-nigrosin stain) in semen tgawed At BEE
in 12 sec. and semen thawed at 35 C in 30 sec.

Ram no.of 4 un- Straws thawed Strawg ‘thawed
S a0 G RS Ua il Tl e o G (i O st T at 35 5CTin Dt

sperm 12 sec. 30 sec.

in un- no.of % un- no.of % un- % un-

frozen sperm stain. sperm stain. stain.

semen count. count.
Gotl.I 8 70 3600 51 3600 30 21
Dala I 1 68 600 38 600 20 18
GotlaELs 3 400 52 400 35 i
Dalal Hir2 75l 1400 55 1400 37 18
Got Rt ol 72 400 61 400 49 12
Dala ira s 76 800 61 800 L8 13
Gotl s EVia i 70 800 52 800 39 13
Dala IV 1 81 1,00 58 400 39 19
Gotl.V it 83 400 6L 400 41 23
Go b1Vl 80 400 57 400 36 21

Table 2. Results of insemination with semen frozen in

straws.
no.of ewes non
inseminated ret. % n.r. % pregn.

XBy slaughtering of 7 ewes, 4 were found pregnant in the
eight ewe pregnancy was stated by X-ray.

979