1. Effect of yucca extract (deodorase) on environmental ammonia levels and growth performance of rabbits;Al-Bar;J. Appl. Rabbit Res.,1992
2. Effect of dietary Yucca schidigera extract (Deodorase) on environmental ammonia and growth performance of chickens and rabbits;Al-Bar,1993
3. Official Methods of Analysis;AOAC,1990
4. Rabbit Feeding and Nutrition;Cheeke,1987
5. Efficacy of sarsaponin for weanling and growing finishing swine housed at two animal densities;Cromwell;J. Anim. Sci.,1985