References
- Association of Official Analytical Chemists. 1990. Official Methods of Analysis, Association of Official Analytical Chemists, Wahington, D.C.
- Bampidis, V. A., Christodoulou, V., Florou-Paneri, P., Christaki, E., Spais, A. B. and Chatzopoulou, P. S. 2005. Effect of dietary dried oregano leaves supplementation on performance and carcass characteristics of growing lambs. Anim. Feed Sci. Technol. 121:285-295. https://doi.org/10.1016/j.anifeedsci.2005.02.002
- Benchaar, C., Berthiaume, R., Petit, H. V., Ouellet, D. R. and Chiquette., J. 2003. Effects of essential oil supplement on nutrient digestibility, nitrogen retention, duodenal bacterial nitrogen flow, milk production and composition in lactating dairy cows. Can. J. Anim. Sci. 83:638 (Abstr.).
- Benchaar, C., Duynisveld, J. L. and Charmley, E. 2006. Effects of monensin and increasing dose levels of a mixture of essential oil compounds on intake, digestion and growth performance of beef cattle. Can. J. Anim. Sci. 86:91-96.
- Benchaar, C., Petit, H. V., Berthiaume, R., Ouellet, D. R., Chiquette, J. and Chouinard, P. Y. 2007. Effects of essential oils on digestion, ruminal fermentation, rumen microbial populations, milk production, and milk composition in dairy cows fed alfalfa silage or corn silage. J. Dairy Sci. 90:886- 897. https://doi.org/10.3168/jds.S0022-0302(07)71572-2
- Bergen, W. G. and Bates, D. G. 1984. Ionophores: Their effect on production efficiency and mode of action. J. Anim. Sci. 58: 1465-1483.
- Borchers, R. 1965. Proteolytic activity of rumen fluid in vitro. J. Anim. Sci. 24:1033-1038. https://doi.org/10.2527/jas1965.2441033x
- Busquet, M., Calsamiglia, S., Ferret, A. and Kamel, C. 2006. Plant extracts affect in vitro rumen microbial fermentation. J. Dairy Sci. 89:761-771. https://doi.org/10.3168/jds.S0022-0302(06)72137-3
- Callaway, T. R. and Martin, S. A. 1996. Effect of organic acid andmonensin treatment on in vitro mixed ruminal microorganism fermentation of cracked corn. J. Anim Sci. 74:1982-1989. https://doi.org/10.2527/1996.7481982x
- Calsamiglia, S., Busquet, M., Cardozo, P. W., Castillejos, L. and Ferret, A. 2007. Invited Review: Essential oils as modifiers of rumen microbial fermentation. J. Dairy Sci. 90:2580-2595. https://doi.org/10.3168/jds.2006-644
- Cardozo, P. W., Calsamiglia, S., Ferret, A. and Kamel, C. 2006. Effects of alfalfa extract, anise, capsicum, and a mixture of cinnamaldehyde and eugenol on ruminal fermentation and protein degradation in beef heifers fed a high-concentrate diet. J. Anim. Sci. 84:2801-2808. https://doi.org/10.2527/jas.2005-593
- Castillejos, L., Calsamiglia, S. and Ferret, A. 2006. Effect of essential oils active compounds on rumen microbial fermentation and nutrient flow in in vitro systems. J. Dairy Sci. 89:2649-2658. https://doi.org/10.3168/jds.S0022-0302(06)72341-4
- Chalupa, W., Corbett, W. and Brethour. J. R. 1980. Effects of monensin and amichloral on rumen fermentation. J. Anim. Sci. 51:170-179. https://doi.org/10.2527/jas1980.511170x
- Davidson, P. M. and Naidu, A. S. 2000. Phyto-phenols. Pages 265-293 in Natural Food Antimicrobial Systems. A. S. Naidu, ed. CRC Press, Boca Raton, FL.
- Dorman, H. J. D. and Deans, S. G. 2000. Antimicrobial agents from plants: Antibacterial activity of plant volatile oils. J. Appl. Microbiol. 88:308-316. https://doi.org/10.1046/j.1365-2672.2000.00969.x
- Elam, C. J. 1976. Acidosis in feedlot cattle: Practical observations. J. Anim. Sci. 43:898-901.
- Gershenzon, J. and Croteau, R. 1991. Terpenoids. Pages 165-219 in Herbivores: Their Interactions with Secondary Plant Metabolites. Vol. 1. G. A. Rosenthal, and M. R. Berenbaum, ed. Academic Press, San Diego, CA.
- IFCC Method for L-aspatate aminotransferase. 1986. J. Clin. Chem. Clin. Biochem. 24:497-510.
- Kim, D. H., Kim, K. H., Choi, C. W., Hong, S. K., Seol, Y. J., Kwon, E. G., Kim, W. Y., Nam, I. S., Lee, S. S. and Oh, Y. K. 2009. Effects of thymol, eugenol and malate on in vitro rumen microbial fermentation. J. Anim. Sci. & Technol. (Kor.) 51(6):511-520. https://doi.org/10.5187/JAST.2009.51.6.511
- Kramer, J. W. 1989. Clinical enzymology. In: J. J. Kaneko (Ed.) Clinical Biochemistry of Domestic Animals (4th Ed.). pp 338-363.
- Academic Press, San Diego, CA. Lechtenberg, K. F. and Nagaraja, T. G. 1991. Hepatic ultrasonography and blood changes in steers with experimentally induced liver abscesses. Am. J. Vet. Res. 52:803-809.
- Lechtenberg, K. L. and Nagaraja, T. G. 1989. Antimicrobial sensitivity of Fusobacterium necrophorum isolates from bovine hepatic abscesses. J. Anim. Sci. 67(Suppl. 1):544 (Abstr.).
- Martin, S. A. 1998. Manipulation of ruminal fermentation with organic acids: A review. J. Anim. Sci. 76:3123-3132.
- Montano, M. F., Chai, W., Zinn-Ware, T. E. and Zinn, R. A. 1999. Influence of malic acid supplementation on ruminal pH, lactic acid utilization, and digestive function in steers fed high-concentrate finishing diets. J. Anim. Sci. 77:780-784. https://doi.org/10.2527/1999.773780x
- Nagaraja. T. G. and Chengappa, M. M. 1998. Liver abscesses in feedlot cattle(a review). J. Anim. Sci. 76:287-298. https://doi.org/10.2527/1998.761287x
- Nocek, J. E. 1997. Bovine acidosis: Implications on laminitis. J. Dairy. Sci. 80:1005-1028. https://doi.org/10.3168/jds.S0022-0302(97)76026-0
- Puoli, J. R., Reid, R. L. and Belesky, D. P. 1992. Photosensitization in lambs grazing switchgrass. Agron. J. 84:1077-1080. https://doi.org/10.2134/agronj1992.00021962008400060033x
-
Rosalki, S. B. and Tarlow, D. 1974. Optimized determination of
$\gamma$ - glutamyl transferase by reaction rate analysis. Clin. Chem. 20:1121-1124. - Sanson, D. W. and Stallcup, O. T. 1984. Growth response and serum constituents of Holstein bulls fed malic acid. Nutr. Rep. Int. 30:12611267.
- SAS Institute, 2002. SAS User's guide: Statistics. Version 9.1 Edition. Statistical Analysis Systems Insitute Inc., Cary, NC.
- Shin, K. J., Oh, Y. G., Lee, S. S., Kim, K. H., Kim, C. H. and Paik, B. H. 2002. Feed intake evaluation of korean cattle (Hanwoo) fed diets containing different levels of compound feed in the growing and fattening periods. J. Anim. Sci. & Technol. (Kor.) 44(1):95-104. https://doi.org/10.5187/JAST.2002.44.1.095
-
Szasz, G. 1969. A kinetic photometric method for serum
$\gamma$ - glutamyl transpeptidase. Clin. Chem. 15:124-136. - Tadepalli, S., Narayanan, S. K., Stewart, G. C., Chengappa, M. M. and Nagaraja, T. G. 2009. Fusobacterium necrophorum: A ruminal bacterium that invades liver to cause abscesses in cattle. Anaerobe. 15:36-43. https://doi.org/10.1016/j.anaerobe.2008.05.005
- Van soest, P. J., Robertson, J. B. and Lewis, B. A. 1991. Methods of dietary fiber, neutral detergent fiber and non-starch polysaccharides in relation to animal nutrition. J. Dairy Sci. 74:3583-3597. https://doi.org/10.3168/jds.S0022-0302(91)78551-2
- Wee, S. H., Park, S. J. and Lee, C. G. 1988. Changes in blood cellular components, serum chemical values and serum enzyme activities in Korean native cattle infested with Fasciola hepatica. Korean J. Vet. Res. 28(1):165-168.