9Hammer K A, Carson C F, Riley T V. Antimicrobial activity of essential oils and other plant extracts[J]. Journal of Applied Microbiology, 1999, 86: 985-990.
10Namkung H, Gong M L J, Yu H, et al. Impact of feeding blends of organic acids and herbal extracts on growth performance, gut microbiota and digestive function in newly weaned pigs[J]. Canadian Journal of Animal Science, 2004, 84(4): 697-704.
2Cromwell G L. Why and how antibiotics are used in swine produc- tion[J]. Journal of Animal Biotechnology, 2002, 13(1): 7-27.
3A. Brenes, E. Roura. Essential oils in poultry nutrition: Main ef- fects and modes of action [J]. Journal of Animal Feed Science and Technology, 2010, 158:1-14.
4Rota C, Carraminana J J, Burillo J, et al. In vitro antimicrobial ac- tivity of essential oils from aromatic plants against selected food- borne pathogens [J]. Journal of Food Protection, 2004,67:1252- 1256.
5Burt S. Essential oils: their antibacterial properties and potential applications in foods-a review[J]. International Journal of Food Mi- crobiology, 2004, 94(3): 223-253.
6Botsoglou N A, Christaki E, Florou-Paneri P, et al. The effect of a mixture of herbal essential oils or ct-tocopheryl acetate on perfor- mance parameters and oxidation of body lipid in broilers[J]. South African Journal of Animal Science, 2004, 34:52-61.
7Platel K, Srinivasan K. Digestive stimulant action of spices: A myth or reality? [J]. Indian Journal of Medical Research, 2004,119:167-179.
8Bishop C D. Antiviral activity of the essential oil of Melaleuca al- ternifolia(Maiden and Betche) Cheel(tea tree) against tobacco mo- saic virus[J].Joumal of Essential Oil Research,1995,7:641-644.
9Pessoa L M, Morais S M, Bevilaqua C M L, et al. Anthelmintic activity of essential oil of Ocimum gratissimum Linn. and eugenol against Haemonchus contortus[J]. Journal of Veterinary Parasitol- ogy, 2002, 109:59-63.
10Stein H H, C. F. Shipley, R. A. Easter. Technical Note: A tech- nique for inserting a T-cannula into the distal ileum of pregnant sows[J]. Journal of Animal Science, 1998, 76:1433-1436.
