Peppermint and pennyroyal essential oil effect on performance, rumen microbial population and some blood parameters of sheep

ABSTRACT

Background: the use of antibiotics as feed additive in animal feeds due to the appearance of residues in milk and meat and their effects on human health is restricted. Two essential oils with high potential for use in ruminant diet are Mentha piperita [peppermint] and Mentha pulegium [pennyroyal] essential oil