Michael D. Sims and Danny M. Hooge
International Journal of Poultry Science 1 ( 5 ): 164 - 166 , 2002
Dirk Hoehler and Danny M. Hooge
International Journal of Poultry Science 2 ( 5 ): 361 - 366 , 2003
International Journal of Poultry Science 3 ( 3 ): 163 - 174 , 2004
International Journal of Poultry Science 3 ( 3 ): 179 - 188 , 2004