Section 3
Chapter 2,375

Evaluation of Crestar, a synthetic progestogen regime, for synchronising oestrus in maiden heifers used as recipients of embryo transfers

Tregaskes, L.D.; Broadbent, P.J.; Dolman, D.F.; Grimmer, S.P.; Franklin, M.F.

Veterinary Record 134(4): 92-94


ISSN/ISBN: 0042-4900
PMID: 8178418
Accession: 002374301

Crestar consists of an ear implant containing 3 mg norgestomet combined with an intramuscular injection of 3 mg norgestomet and 5 mg oestradiol valerate. Its effectiveness for synchronising oestrus in embryo transfer recipients was evaluated in comparison with a progesterone-releasing intravaginal device (PRID) and prostaglandin regimen, using 334 maiden heifers.

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