9 EVALUATION OF A MODIFIED GnRH-BASED TIMED ARTIFICIAL INSEMINATION PROTOCOL ASSOCIATED WITH ESTRUS DETECTION IN CYCLIC BEEF HEIFERS INSEMINATED WITH SEX-SELECTED SEMEN

Colazo, M.G.; Whittaker, Pamela; Bignell, D.; Mapletoft, R.J.

doi:10.1071/rdv29n1ab9

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9 EVALUATION OF A MODIFIED GnRH-BASED TIMED ARTIFICIAL INSEMINATION PROTOCOL ASSOCIATED WITH ESTRUS DETECTION IN CYCLIC BEEF HEIFERS INSEMINATED WITH SEX-SELECTED SEMEN

Published in Reproduction Fertility and Development • Dec 1, 2016

Authors:

M.G. Colazo

Pamela Whittaker

D. Bignell

Abstract

This study compared pregnancy per TAI (P/TAI) between sex-selected and conventional semen in cyclic beef heifers subjected to the modified (without initial GnRH) 5-day Co-synch protocol and evaluated the usefulness of an oestrus detection (ED) to identify heifers that were most likely to conceive. H...

Subject

Artificial insemination

Estrous cycle

Herd

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