참고문헌
- Bernard, J. K., Amos, H. E., Froetschel, M. A. and Evans, J. J. 1988. Influence of supplemental energy and protein on protein synthesis and crude protein reaching the abomasum. J. Dairy Sci. 71:2658 https://doi.org/10.3168/jds.S0022-0302(88)79859-8
- Brooks, J. R., Pipes, G. W. and Ross, C. W. 1962. Effect of temperature on the thyroxine secretion rate of rams. J. Anim. Sci. 21:414
- Bryant, M. P. 1974. Nutritional features and ecology of predominant anaerobic bacteria of the intestinal tract. Am. J. Clin. Nutr. 27:1313
- Chaney, A. L. and Marbach, E. P. 1962. Modified reagents for determination of urea and ammonia. Clinical Chemistry. 8:130
- Crooker, B. A. 1978. Effects of soluble nitrogen and urea on nitrogen utilization and ruminal microbial synthesis in sheep. M.S. Thesis, Univ. of Maine, Orono, ME
- Czerkawski, J. W. 1976. The use of pivalic acid as a reference substance in measurements of production of volatile fatty acids by rumen micro-organisms in vitro. Br. J. Nutr. 36(2):311
- Erdman, R. A, Proctor, G. H. and Vandersall, J. H. 1986. Effect of rumen ammonia concentration on in situ rate and extent of digestion of feedstuffs. J. Dairy Sci. 69:2312 https://doi.org/10.3168/jds.S0022-0302(86)80670-1
- Hoover, W. H. 1986. Chemical factors involved in ruminal fiber digestion. J. Dairy Sci. 69:2755 https://doi.org/10.3168/jds.S0022-0302(86)80724-X
- Hoover, W. H., Kincaid, C. R., Varga, G. A., Thayne, W. V. and Junkins, Jr. L. L. 1984. Effects of solids and liquid flows on fermentation in continuous cultures. IV. pH and dillution rate. J. Anim. Sci. 58(3):692
- Igono, M. O., Johnson, H. D., Steevens, B. J., Hainen, W. A. and Shanklin, M. D. 1988. Effect of season on milk temperature milk growth hormone, prolactin, and somatic cell counts of lactation cattle. Intl. J. Biometeorol. 32:194 https://doi.org/10.1007/BF01045279
- Johnson, H. D., Katti, P. S., Hahn, L. and Shanklin, M. D. 1988. Short-term heat acclimation effects on hormonal profile of lactation cows. Univ. of Missouri Rsch. Bull. No. 1061. Columbia
- Johnson H. D. and Vanjonack, W. J. 1976. Effects of environmental and other stressors on blood hormone patterns in lactating animals. J. Dairy Sci. 59(9):1603 https://doi.org/10.3168/jds.S0022-0302(76)84413-X
- Magdub, A., Johnson, H. D. and Belyea, R. L. 1982. Effect of environmental heat and dietary fiber on thyroid physiology of lactation cows. J. Dairy Sci. 65:2323 https://doi.org/10.3168/jds.S0022-0302(82)82504-6
- McCullough, M. E. 1973. Optimum Feeding of Dairy Animals for Meat and Milk. The University of Georgia Press. Athens
- Price, S., Price, L. and Penoel, D. 1995. Aroma-therapy for Health Professionals. pp 133-167. 1st Ed., Churchill livingstone, New York
- Russel, J. B. and Hespell, R. B. 1981. Microbial rumen fermentation. J. Dairy Sci. 64:1153 https://doi.org/10.3168/jds.S0022-0302(81)82694-X
- Statistical Analysis System. 1985. SAS User's Guide. SAS Inst., Inc., Cary, NC
- West, J. W., Hill, G. M., Mandebvu, P., Fernandez, J. M. and Mullinix, B. G. 1998. Effects of dietary fiber on intake, milk yield, and digestion by lactation dairy cows during cool or hot, humid weather. J. Dairy Sci. 81
- Wheeler, W. E., Noller, C. H. and White, J. L. 1981. Effect of level of calcium and sodium bicarbonate in high concentrate diets on performance and nutrients utilization by beef steers. J. Anim. Sci. 55:449
- Yousef, M. K., Kibler, H. H. and Johnson, H. D. 1967. Thyroid activity and heat production in cattle following sudden ambient temperature changes. J. Anim. Sci. 26:142
- 이성연. 2002. 잣나무 생지엽을 이용한 발효조사료의 경제성 분석. 월간임업정보. 134호 p. 24