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The use of hormone-based products in animals has become increasingly controversial over time.  Oestradiol-based hormones were banned altogether in NZ in 2007 and a voluntary ban was put in place in the Australian dairy industry soon after.

The ongoing question seems not so much if, but when would all oestradiol-based products also be banned, either forcibly or voluntarily, in the Australian beef industry?  And following on from that, what would beef cattle reproduction look like without the use of oestradiol-based hormones?

This article looks at implications for the Australian beef industry should oestradiol-based hormones be banned.