No. Health Canada removed growth promotion claims from antibiotics of importance to human medicine in 2018. It is also important to point out that “growth promotants” do not refer to hormones. The use of hormones in chicken production has been illegal in Canada since the 1960s. It is also important to point out that “growth promotants” do not refer to hormones. The use of hormones in chicken production has been illegal in Canada since the 1960s.