Ovandrotone albumin

Immunogen and vaccine against androstenedione

Ovandrotone albumin, also known as polyandroalbumin, as well as ovandrotone:human serum albumin conjugate, is an immunogen and vaccine against androstenedione that is used in veterinary medicine to increase the ovulation rate and number of lambs born to ewes. It is a conjugate of ovandrotone (androstenedione-7α-carboxyethylthioether) and human serum albumin. The drug was developed by 1981 and was introduced in Australia and New Zealand in 1983.

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