Much has been achieved in the past by traditional methods of animal breeding but the immense progress of recent years would not have been possible without new techniques and the adoption of co-operative measures. Artificial insemination and milk recording have effected great improvements in dairy herd performance. Techniques of egg implantation and oestrus control should enable productivity to be boosted in sheep and beef cattle as has been done in the dairy herd.
Get full access to this article
View all access options for this article.
References
1.
RobertsonA. and RendelJ. M. (1950). J. Genet., 50, (1), 21.
2.
RowsonL. E. A., MoorR. M. and LawsonR. A. S. (1969). J. Reprod. Fert., 18517.
3.
RowsonL. E. A., LawsonR. A. S. and MoorR. M. (1969). Vet. Rec., 85583.
4.
LawsonR. A. S. and RowsonL. E. A. (1969). A. Conf. Study of Fertil., Bristol.
5.
MoorR. M. and RowsonL. E. A. (1966). J. Endocr., 34491.
6.
BaierW. and RüsseI. (1968). VIth Inter. Congr. Reprod. & A. I. Paris,p. 397.
7.
LyngsetC. (1968). VIth Inter. Congr. Reprod. & A. I., Paris, P 439.
8.
RowsonL. E. A. and AdamsC. E. (1957). Vet. Rec., 69849.
9.
MooreN. W. and SheltonJ. N. (1962). Aust. J. Agric. Sci., 13718.
10.
AverillR. L. W., AdamsC. E. and RowsonL. E. A. (1955). Mature, Lond., 176167.
11.
HunterG. L., BishopG. P., AdamsG. E. and RowsonL. E. A. (1962). J. Reprod. Fert., 333.
12.
RowsonL. E. A. and MoorR. M. (1966). J. Reprod. Fert., 11207.
13.
EdwardsR. G. and GarnerR. L. (1967). Nature, Lond., 214576.
14.
BhattacharyaB. C., BanghamA. D., CroR. J., KaynesR. D. and RowsonL. E. A. (1966), Nature, Lond., 211863.
15.
PolgeC. (1965) Vet. Rec., 77232.
16.
BennettJ. P. and RowsonL. E. A. (1961) Proc IVth Inter. Congr. Anim. Reprod., The Hague,p. 360.
