Biological Functions of Plant Essential Oils and Their Application in Cattle and Sheep Production
As a green feed additive,plant essential oil has the advantages of wide source,no residue,safety and non-toxic side effects.Plant essential oil contains a variety of functional active ingredients,with antibacterial,antioxidant,anti-inflammatory and other biological functions,which can enhance animals'immune and anti-stress ability.It also has many functions such as regulating the balance of gastrointestinal flora,reducing methane emissions,and improving animal growth performance.Therefore,plant essential oil as an alternative product of antibiotics has broad application prospects in feed industry.In this paper,the source and active ingredients,extraction methods,biological functions of plant essential oils and the application of plant essential oils in cattle and sheep production in recent years were reviewed,in order to provide theoretical reference for the application of plant essential oils in ruminants.
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