College of Agricultural Sciences

J. A. Tekippe, Hristov, A. N., Heyler, K. S., Cassidy, T. W., Zheljazkov, V. D., Ferreira, J. F. S., Karnati, S. K., and Varga, G. A., “Rumen fermentation and production effects of Origanum vulgare L. leaves in lactating dairy cows”, Journal of Dairy Science, vol. 94, no. 10, pp. 5065 - 5079, 2011.

J. D. Wilson, Zheljazkov, V. D., Rathgeber, B., Caldwell, C. D., and Burton, D. L., “Reduction in phosphorus availability in poultry and diary manure by mineral amendments”, Soil Science and Plant Nutrition, vol. 54, no. 4, pp. 600 - 605, 2008.