Antimicrobials and antibiotics form a major share of the animal health market. Animal antimicrobials gained a greater importance in the animal health industry in the past 20 years, mainly due to growing need to br br preserve the health and welfare of animals. Most of the antimicrobial agents were also used as growth promoters as well. With this, the animal antimicrobials market witnessed a bullish growth from 1990’s to 2006.