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

material for becoming significant, too.

The present material was not suited for regression
analysis, because the data had not been classified
according to seminal parameters as_ is required for
determination of the relationship * = f(seminal char-
acteristics) which would allow estimation of the
quality of ejaculates with respect to fertility.

The results obtained in this investigation of
restricted scope are in qualitative agreement with
the theoretical expectations.

(1) W. BIELANSKI, 1951. Mémoires Acad.Pol.Sci. Ser.B,

No. 16.
(2) C. VAN DUIJN Jr., 1964. Proc. Vth Int. Congr.
Anim. Reprod., Trento, Vol. IV: 313-322,
(3) ¢c. VAN DUIJN Jr., 1965. Neth.J.agric.Sci. 13:
378-391. =
(4) C. VAN DUIJN Jr., 1965. Ann.Biol.anim.,Bioch.,
Biophys. 2: 419-443.

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