1. Effect of calcium and phosphorus levels on the performance of layers in Nigeria. 1. Egg production, eggshell quality, feed intake and body weight;Admosun;Poultry Sci.,1973
2. Official Methods of Analysis;Association of Official Analytical Chemists,1980
3. Effects of dietary levels and types of fat on performance and mineral metabolism of broiler chicks;Atteh;Poultry Sci.,1983
4. Involvement of cholecalciferol metabolism in birds in the adaptation of calcium absorptions to the needs during reproduction;Bar;Comp. Biochem. Physiol.,1978
5. Transport and steady-state accumulation of putrescine in brush-border membrane vesicles of rabbit small intestine;Brachet;Am. J. Physiol.,1995