1. The preservation of quality in shell eggs;Stadelman,1995
2. Toxicity of vanadium and chromium for the growing chick;Romoser;Poult. Sci.,1960
3. Influence of dietary calcium levels or calcium:phosphorus ratios on effectiveness of Natuphos® phytase for layers;Van der Klis,1996
4. Influence of supplemental microbial phytase on calcium utilization of laying hens;Gordon,1996
5. Vanadium toxicity in laying hens;Berg;Poult. Sci.,1963