Why Asian babes give the thumbs up to Pfizer's castration vaccine

摘要

Improvac is the injectable way of producing castrates without castration. It's already used in Australia and will be launched in Britain next year. Boar taint is the scourge of heavy pig production. If you have ever had a piece of pork or bacon in thefrying pan which has high levels of an-drostenone and skatole, the key boar taint compounds, you will know exactly what I mean. That's one reason many butchers prefer gilts.