AGENT FOR IMPROVING FEED EFFICIENCY IN LIVESTOCK, LIVESTOCK FEED FOR PROMOTING BODY WEIGHT GAIN, METHOD FOR FEEDING LIVESTOCK, AND METHOD FOR SUPPRESSING METHANE GENERATION

摘要

Provided are: an agent for improving feed efficiency in livestock, said agent being capable of enhancing the functions of a feed; a livestock feed for promoting body weight gain; a method for feeding livestock; and a method for suppressing methane generation. The agent according to the present invention for improving feed efficiency in livestock comprises a coffee component and has been fermented with a bacteriocin-producing lactic acid bacterium. The coffee component may comprise at least one member selected from among hydroxycinnamic acid and an ester thereof. The bacteriocin-producing lactic acid bacterium may be at least one member selected from among Lactobacillus delbrueckii subsp. lactis and Lactobacillus brevis. The livestock may be ruminants.