Synchronisation and artificial insemination of ewes - techniques
which have possible commercial application
T.G. Harvey, D.L. Johnson, H.R. Tervit, R.A.S. Welch
Ruakura Animal Research Station, Ministry of Agriculture and
Fisheries, Hamilton
Proceedings of the New Zealand Society of Animal Production.
1984, 44: 7-10
A number of facets of artificial insemination in sheep were
studied at Rotomahana Research Station. The trial was a 2³ factorial
comparing time of insemination (fixed-time, at oestrus detection),
number of inseminations (single, double) and type of diluent (skim milk,
caprogen; NZDB) involving 291 ewes synchronised with internal drug-
releasing dispensers (CIDR, without PMSG). There were no significant
differences between treatments. The results indicate that a conception
rate of approximately 70% can be achieved using these techniques, which
should have direct commercial application.
Keywords: NZSAPAB;
Sheep; AI; synchronisation; semen
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Last Updated 03-05-1997
