1. Dawson K. A. 1993. Current and future role of yeast culture in animal production: A review of research over the last seven years. Pages 169–171 in Biotechnology in the Feed Industry. Proc. 9th Annual Symposium. Alltech Technical Publications, Nicholasville, KY.
2. Effect of varying levels of phosphorus and live yeast culture in caged layer diets;Day;Poult. Sci.,1987
3. Effects of varying levels of live yeast culture on yield and some parameters in laying hen diets;Nursoy;Indian Vet. J.,2004
4. Liu Z., G., Qi, and I., Yoon. 2002. Effect of yeast culture on production parameters and intestinal microflora in laying hens. Page 89 in Poultry Science Association 91st Annual Meeting Abstracts. August 11–14, 2002. Newark, DE. Abstract No: 381.
5. Tangendjaja B., and I., Yoon. 2002. Effect of yeast culture on egg production and mortality in layer chickens. Page 89 in Poultry Science Association 91st Annual Meeting Abstracts. August 11–14, 2002. Newark, DE. Abstract No: 380.