References
- AOAC. 1990. Official Methods of Analysis. 15thedn. Association of Offical Analytical Chemists, Arlington, Virginia.
- Cheva-Isarakul, B., Rengsirikul, B. and Liamkaeo, W. 1991. The minimum protein requirement for goats. In: Saithanoo, S. and Norton, BW. editors. Goat production in the Asian humid tropics. Hat Yai, Thailand: Proc. Int. Seminar; pp. 136-143.
- Choi, S. H., S. W. Kim., B. Y. Park., B. D. Sang., Y. K. Kim., J. H. Myung and S. N. Hur. 2005. Effects of dietary crude protein level on growth and meat quality of Korean native goats. Journal of Animal Science and Technology. 45:783-788.
- Choi, S. H., Hawngbo, S., S. W. Kim., B. D. Sang., Y. G. Kim and I. H. Jo. 2006. Effects of Total Mixed Ration with Wet Brewer's Grain on the Performance and Nutrient Utilization in Castrated Korean Black Goats. Journal of the Korean Society of Grassland and Forage Science. 26:199-206. https://doi.org/10.5333/KGFS.2006.26.4.199
- Georing, H.K. and Van Soest, P.J. 1970. Forage fiber analysis, USDA Agronomic Handbook No. 379, Washington D.C.
- Griffiths, T. W. 1984. Studies on the protein requirements of growing cattle: Effects of differing intakes of protein and energy on growth and nitrogen metabolism in young entire males. British Journal of Nutrition. 51:133-143. https://doi.org/10.1079/BJN19840015
- Huston, J. E., B. S. Rector., W. C. Ellis and M. L. Allen. 1986. Dynamics of digestion in cattle, sheep, goats and deer. Journal of Animal Science. 62:208-215. https://doi.org/10.2527/jas1986.621208x
- Hwangbo, S., Choi, S.H., Lee, S.H., Kim, S.W., Y.K. Kim., B.D. Sang and Jo. I.H. 2007. Effects of Crude Protein Levels in Total Mixed Rations on Dry Matter Intake, Digestibility and Nitrogen Balance in Early Pregnant Korean Black Goats. Journal of the Korean Society of Grassland and Forage Science. 27:93-100. https://doi.org/10.5333/KGFS.2007.27.2.093
- Hwangbo, S. 2014. Effects of the Grazing and Barn Feeding System on Growth Performance and Carcass Characteristics in Korean Black Goats. Journal of Agriculture & Life Science. 48:123-131. https://doi.org/10.14397/jals.2014.48.2.123
- Jia, Z. H., T. Sahlu, J. M. Femandez, S. P. Hart and T. H. Teh. 1995. Effects of dietary protein level on performance of Angora and cashmere-producing Spanish goats. Small Ruminant Research. 16:113-119. https://doi.org/10.1016/0921-4488(95)00616-S
- Jung, G.W., Jo, I.H., Hwangbo, S., Lee, S.H., and Song, H.B. 2008. Effects of different feeding systems on nutrient availbility, nitrogen retention and blood characteristics in native or crossbred Korean black goats. Journal of the Korean Society of Grassland and Forage Science. 28: 41-350. https://doi.org/10.5333/KGFS.2008.28.1.041
- Kim, K. H., Y. G. Oh, S. C. Lee, K. J. Shin, S. W. Kang, Y. H. Moon, and M. K. Song. 2006. Crude protein requirements for maintenance of Hanwoo steers by protein balance trial. Journal of Animal Science and Technology. 48:533-540. https://doi.org/10.5187/JAST.2006.48.4.533
- Korea Meteorological Administration. 2014. Historical data. http://www.kma.go.kr/weather/climate/past_cal.jsp.
- Lee, D.Y., J.L. Go, N.J. Choe, S.S. Lee, J.Y.Song, S.Y. Lee, S.H. Park, H.G. Seong and J.G. Ha. 2003. Ruminant nutrition : Effects of types of TMR on rumen fermentation characteristics and nutrients digestibility in sheep. Journal of Animal Science and Technology. 45:805-812. https://doi.org/10.5187/JAST.2003.45.5.805
- Luo, J., A. L. Goetsch, I. V. Nsahlai, T. Sahlu, C. L. Ferrell, F. N. Owens, M. L. Galyean, J. E. Moore, and Z. B. Johnson. 2004. Metabolizable protein requirements for maintenance and gain of growing goats. Small Ruminant Research. 53:309-326. https://doi.org/10.1016/j.smallrumres.2004.04.003
- McGilliard, M. L., J. M. Swisher and R. E. James. 1983. Grouping lactating cows by nutritional requirements for feeding. Journal of Dairy Science. 66:1084-1093. https://doi.org/10.3168/jds.S0022-0302(83)81905-5
- Milford, R., and Minson, D. J. (1965). Proc. int. Grassld Congr. IX, SEo Paulo, Brazil. p. 815.
- Nocek, J. E., R. L. Steele and D. G. Braund. 1985. Effect of mixed ration nutrient density on milk of cows transferred from high production group. Journal of Dairy Science. 68:133-139. https://doi.org/10.3168/jds.S0022-0302(85)80806-7
- National Research Council (NRC). 1981. Nutrient requirements of goats: angora, dairy, and meat goats in temperate and tropical countries. National Academy Press, Washington, DC, pp. 47-61.
- Prieto, I., Goetsch, A. L. Banskalieva, V., Camerton, M., Puchala. R., Sahlu, T., Dawson, L. J. and Coleman, S. W. 2000. Effects of dietary protein concentration on post weaning growth of Boer crossbred and Spanish goat wethers. Journal of Animal Science. 78:2275-2281. https://doi.org/10.2527/2000.7892275x
- SAS. 2008. SAS/STAT Software for PC. Release 9.3, SAS Institute Inc. Cary. NC. USA.
- Silva AMA., da Silva Sobrinho AG., Trindade IACM., Resende KT and Bakke OA. 2003. Net requirements of protein and energy for maintenance of wool and hair lambs in a tropical region. Small Ruminant Research. 49:165-171. https://doi.org/10.1016/S0921-4488(03)00100-7
- Silva Sobrinho, A. G. 1989. Body composition and protein requirement for goat in maintenance and milk production. Vicosa, MG: UFV, Doctorate Thesis, Animal Husbandry, Universidade Federal de Vicosa, p. 100.
- Titi, H. H., Tabbaa, M. J., Amasheh, M. G., Barakeh, F. and Daqamseh, B. 2000. Comparative performance of Awassi lams and Black goat kids on different crude protein levels in Jordan. Small Ruminant Research. 37:131-135. https://doi.org/10.1016/S0921-4488(99)00136-4
- Ha, J. G., Lee. S. S., Moon. Y. S., Kim. C. H. 2005. Ruminant nutrition and physiology. Seoul University publishing department.
- Wanapat M., Ericksom DO., and Slanger WD. 1982. Nitrogen metabolism in sheep fed protein source of various solubilities with low quality roughages. Journal of Animal Science. 54:625-631. https://doi.org/10.2527/jas1982.543625x