With growing global demand for livestock products, the pressure agriculture has on environment is getting bigger and bigger. Livestock production, in particular, represents big threat for environment, natural resources and it contributes to global warming by emitting greenhouse gases with high warming potential (methane and nitrous oxide). Besides the high land use and water consumption, ruminant animals are the biggest emitters of greenhouse gases in agriculture through enteric fermentation and manure management. Mitigation of those gases and better management of animal husbandry and manure is needed. In order to successfully respond to rising demand for animal protein, whole industry will have to adapt to climate changes, as well as find a feasible way to mitigate further negative impact and environmental degradation regarding production system and given conditions.