TABLE 3

Fertility of semen samples used on Day 4 and for samples
of the same semen each day of prior use.

Age of diluted semen at time

of insemination (days)®

1 2 3 4 Total

No. inseminations 3,081 26,558 13,273 3,300 46,212
Fertility

At 30 days (%) 78.6 80.7 76.6 71.6 78.7

At 180 days (%) 62.8 66.2 61.5 54.4 63.8

Difference 15.8 14.5 154 1o 2 14.9

aDay 1 = day of collection.

TABLE 4

Fertility of semen samples used on Day 5 and for samples
of the same semen for each day of prior use.

Age of diluted semen at time

of insemination (days)?®

1 2 3 4 o Total
No. inseminations 908 7,065 4,794 h5D52 502 14,821
Fertility (after
insemination)
At 30 days (%) 5.9 80.3 7i7e8 T2.20 608 " 3
At 180 days (%) 55.1 66.2 62.8  54.0 39.4 62.2
Difference 20.8 14,1 1550 18.2 228 E5¢5

aDay 1 = day of collection.

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