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81 Hereford × Friesian heifers, aged 3 months, were (1) untreated and served as controls, (2) implanted with 36 mg zeranol, (3) implanted with 300 mg trenbolone acetate, (4) implanted with trenbolone acetate plus 2 pellets, each of 19 mg oestradiol-17β, (5) implanted with 2 pellets of...

Moran, C.; Quirke, J. F.; Prendiville, D.; Roche, J. F.
University College Dublin, Dublin, Irish Republic
11th International Congress on Animal Reproduction and Artificial Insemination, University College Dublin, Ireland, June 26-30, 1988. Volume 4. Brief Communications., 1988, Paper No. 570, pp 3pp.