L. L. Young, D.P. Smith, J.A. Cason and J.M. Walker
International Journal of Poultry Science 3 ( 12 ): 796 - 798 , 2004
A. Hinton, Jr., J.A. Cason, M.E. Hume and K.D. Ingram
International Journal of Poultry Science 3 ( 7 ): 432 - 437 , 2004