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

numbers of bulls and inseminators will be initiated to determine
more exactly the minimum number of spermatozoa per insemination
that can be used in routine A.I. practice.

References

(1) G.W. Salisbury and N.L. Vandemark, 1961. Physiology of
Reproduction and Artificial Insemination of cattle.
W.H. Freeman & Co., San Francisco and London

(2) J.P. Maule, 1962. Tech. Commun. Bur. Anim. Breed. Genet.
(Edinb2)eNo: 158898 =503

(3) New Zealand Dairy Board, 1966. Farm production report and
summary of Board's work. No. 42: 1965/66 season

(4) R. Jondet, 1964. Proc. 5th int. Congr. Anim. Reprod. (Trento)
4z 463 — 468

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