文獻5:Oregano essential oil as food additive for piglets: antimicrobial and antioxidant potential (2010)
方案:27日齡斷奶仔豬日糧中添加0.003%牛至油
結(jié)果:添加牛至油對斷奶仔豬日增重、采食量、飼料利用率均無影響。
文獻6:Effect of dietary supplementation of oregano essential oils to sows on colostrums and milkcomposition, growth pattern and immune status of suckling pigs (2011)