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The following reviews were included in a volume published in honour of T. Bonadonna. The papers abstracted appear in the appropriate sections of ABA.Laing, J.A. Artificial insemination and the prevention of disease : 149-151.Macpherson, J.W. The protection of semen from contamination :...

Bologna, Edizioni Agricole.,
Riproduzione animale e fecondazione artificiale., 1972, pp 331 pp.

A study was made (1965-67) on a herd composed of approx. 78 registered cows which were imported from the USA as in-calf heifers in 1964. Age at 1st calving averaged 35.92 mth and interval between consecutive calvings 13.17 mth. Calving interval showed a seasonal trend, being longer for cows calving ...

Alim, K. A.
VIIth International Congress on Animal Reproduction and Artificial Insemination, Munich, 1972, Summaries., 1972, pp 414