AOAC. 2000. Official methods of analysis. 17th edAssoc Off Analysis Chemistry; Gaithersburg, MD, USA:
Ao X, Yan L, Zhou TX, Wang JP, Meng QW, Kim HJ, Cho JH, Kim IH. 2011. Effects of
Saururus chinensis extract supplementation on growth performance, meat quality and slurry noxious gas emission in finishing pigs. Livest Sci 138:187–192.
Cho JH, Chen YJ, Min BJ, Kim HJ, Kwon OS, Shon KS, Kim IH, Kim SJ, Asamer A. 2006. Effects of essential oils supplementation on growth performance, IgG concentration and fecal noxious gas concentration of weaned pigs. Asian-Aust J Anim Sci 19:80–85.
Craveiro AA, Fernandes AG, Andrade CHS, Matos FJA, Alencar JW. 1977. Óleos essenciais de canelas silvestres regionais. Ciênc Cult (SaoPaulo) 29:455
Ferket PR, van Heugten E, van Kempen TATG, Angel R. 2002. Nutritional strategies to reduce environmental emissions from nonruminants. J Anim Sci 80:E Suppl 2E168–E182.
Fenton TW, Fenton M. 1979. An improved method for chromic oxide determination in feed and feces. Can J Anim Sci 59:631–634.
Huang Y, Yoo JS, Kim HJ, Wang Y, Chen YJ, Cho JH, Kim IH. 2010. Effects of dietary supplementation with blended essential oils on growth performance, nutrient digestibility, blood profiles and fecal characteristics in weanling pigs. Asian-Aust J Anim Sci 23:607–613.
Insoft RM, Sanderson IR, Walker WA. 2005. Development of immune function in the intestine and its role in neonatal diseases. Pediatr Clin North Am 43:551–571.
Michael de V, Marteau PR. 2007. Probiotics and prebiotics: effects on diarrhea. J Nutr 137:803–811.
Michiels J, Missotten J, Dierick N, Fremaut D, De Smet S. 2005. Antimicrobial activity of selected phytochemicals against the pig gutflora. Commun Agric Appl Biol Sci 70:191–194.
Michiels J, Missotten JAM, Fremaut D, De Smet S, Dierick NA. 2007.
In vitro dose-response of carvacrol, thymol, engenol and trans-cinnamaldehyde and interaction of combinations for the antimicrobial activity against the pig gut flora. Livest Sci 109:157–160.
Michiels J, Missotten JAM, Fremaut D, De Smet S, Dierick NA. 2009.
In vitro characterization of the antimicrobial activity of selected essential oil components and binary combinations against the pigs gut flora. Anim Feed Sci Technol 151:111–127.
Nousiainen J, Setala J. 1993. Lactic acid bacteria as animal probiotics. Lactic Acid Bacteria. Salminen S, von Wright A, editorsMarcel Dekker, Inc; New York, USA:
NPPC. 1991. Procedures to evaluate market hogs. National Pork Production Council; Des Moines, IA, USA:
NRC. 1998. Nutrient requirement of pigs. 10th EdNational Research Council, Academy Press; Washington, DC, USA:
Ooi LS, Li Y, Kam SL, Wang H, Wong EY, Ooi VE. 2006. Antimicrobial activities of cinnamon oil and cinnamaldehyde from the Chinese medicinal herb
Cinnamomum cassia Blume. Am J Chin Med 34:511–522.
Varel VH, Miller DL. 2004. Eugenol stimulates lactate accumulation yet inhibits volatile fatty acid production and eliminates coliform bacteria in cattle and swine waste. J Appl Microbiol 97:1001–1005.
Visek WJ. 1978. The mode of growth promotion by antibiotics. J Anim Sci 1:86–95.
Wang Q, Kim HJ, Cho JH, Chen YJ, Yoo JS, Min BJ, Wang Y, Kim IH. 2008. Effects of phytogenic substances on growth performance, digestibility of nutrients, fecal noxious gas content, blood and milk characteristics and reproduction in sows and litter performance. J Anim Feed Sci 17:50–60.
Wang Y, Chen YJ, Cho JH, Yoo JS, Wang Q, Huang Y, Kim HJ, Kim IH. 2007. The effects of dietary herbs and coral mineral complex on growth performance, nutrient digestibility, blood characteristics and meat quality in finishing pigs. J Anim Feed Sci 16:397–407.
Wenk C. 2003. Herbs and botanicals as feed additives in monogastric animals. Asian-Aust J Anim Sci 16:282–289.
Windisch W, Schedle K, Plitzner C, Kroismayer A. 2008. Use of phytogenetic products as feed additives for swine and poultry. J Anim Sci 86:E140–E148.
Yan L, Wang JP, Kim HJ, Meng QW, Ao X, Hong SM, Kim IH. 2010. Influence of essential oil supplementation and diets with different nutrient densities on growth performance, nutrient digestibility, blood characteristics, meat quality and fecal noxious gas content in grower–finisher pigs. Livest Sci 128:115–122.
Yan L, Meng QW, Kim IH. 2011a. The effect of an herb extract mixture on growth performance, nutrient digestibility, blood characteristics and fecal noxious gas content in growing pigs. Livest Sci 141:143–147.
Yan L, Meng QW, Kim IH. 2011b. The effects of dietary
Houttuynia cordata and
Taraxacum officinale extract powder on growth performance, nutrient digestibility, blood characteristics and meat quality in finishing pigs. Livest Sci 141:188–193.
Yan L, Meng QW, Kim IH. 2012. Effect of an herb extract mixture on growth performance, nutrient digestibility, blood characteristic, and fecal microbial shedding in weaning pigs. Livest Sci 145:189–195.
Zahn JA, Hatfield JL, Do YS, Dispirito AA, Laird DA, Pfeiffer RL. 1997. Characterization of volatile organic emissions and wastes from a swine production facility. J Environ Qual 26:1687–1696.