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- [6] Oestrus synchronisation and fixed time artificial insemination in beef heifers ANIMAL PRODUCTION SCIENCE, 2010, 50 (07): : 670 - 674
- [7] THE VALUE OF PROGESTERONE, ESTRADIOL BENZOATE AND CLOPROSTENOL IN CONTROLLING THE TIMING OF ESTRUS AND OVULATION IN DAIRY-COWS AND ALLOWING SUCCESSFUL FIXED-TIME INSEMINATION BRITISH VETERINARY JOURNAL, 1991, 147 (02): : 171 - 182