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

C=0-N-Co- U8 150 N

The results of the evaluation of seventeen investigated
boars according to the fertility of their daughters in the
course of four farrowings have shown considerable diffe-
rences. On average for four farrowings the differences bet-
ween the plus and minus variants was 12.07%.

The rank list of boars changes from farrowing to farro -
wing, and the differences in daughter fertilities were
samller in the first and second than in the third and fo-
urth farrowing in succession.

According to the fertility of daughters,it was found that
about 35% of the investigated boars increase the fertili-
ty, while the rest of 65% showed a low fertility compared
with the average of the investigated population.

1.- B.Simovié and M.Milojié, 1967., Review Res.Work at Fac.
Agl‘., XV, 452, 1—9.

2.,- C.Legault et L.Ollivier, 1965., Ann.Zootech. 14:401-
-4080

3.- D.Minkema, 1967. Veet. en Zuivelb. 10:161-172.

4e= JeP.J.S. van Oers, 1964, Veet.en Zuivelb. 7, 3:119-125.

5.— M.Milojié and B.Simovié, 1966. Review Res Work at Fac.
AgI’. XIV’ 427. 1—100

e e

+/ The Roman numbers designate the bogrs whoge daughter
fertility is greater,while the ordinary flgures_mgrk
the boars whose daughters showed a lower fertility
than the average for the population.-—

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