732 Publications (Page 12 of 30)
n.d.no date or unknown
Bryant M.M. and D.A. Roland, Sr., 1998. Influence of calcium source, calcium level and particle size on the performance of commercial laying hens. Poultry Sci. 77 (Supplement 1):129.
Roland, David A
 
Bryant, M.M., and D.A. Roland, Sr., 1999. Comparisons of Limestone of Low or high ability with different particle sizes and their influence on layer performance. Poultry Sci. (in press).
Roland, David A
 
Caldwell, Debra K. and David A. Roland, Sr., 1981. Dietary calcium deficiency as a cause of watery feces in layers. Alabama Academy of Science.
Roland, David A
 
Charles, 0. W., D. A. Roland, Sr. and H. M. Edwards, Jr., 1969. Observations on a field vitamin deficiency in newly hatched poults. Poultry Sci. 48:1795.
Roland, David A
 
Damron, B. L., D. A. Roland, Sr. and R. H. Harms, 1972. Recent developments in laying hen feeding. 6th Annual Conference on Livestock and Poultry in Latin America, pp. 190-206.
Roland, David A
 
Dronawat, S. and D.A. Roland, Sr., 1994. Dietary phosphorus level affects egg interior quality. Poultry Digest. 53:37.
Roland, David A
 
Dronawat, Sanjay and D.A. Roland, Sr., 1993. Performance of commercial leghorns (Phase-1) fed diets containing recommended phosphorus levels formulated based on feed intake but using a constant feeding method. Poultry Science 72 (Supplement 1):17.
Roland, David A
 
Dronawat, Sanjay and D. A. Roland, Sr., 1994. Influence of dietary phosphorus on interior quality of eggs and performance in commercial white leghorn hens. Poultry Science 73:134.
Roland, David A
 
Edwards, H. M., Jr., D. A. Roland, Sr. and 0. W. Charles, 1971. Thiamine deficiency in turkey breeders. Proceedings of the Georgia Nutrition Conference, p. 77.
Roland, David A
 
Farmer, M. and D. A. Roland, Sr., 1982. Calcium utilization in the laying hen. Poultry Sci. 61:1378.
Roland, David A
 
Farmer, Mark and D. A. Roland, Sr., 1984. Maintaining maximum shell quality in broiler breeders. Proceedings of the Maryland Nutrition Conference for Feed Manufacturers, pp. 74-80.
Roland, David A
 
Farmer, Mark, D. A. Roland, Sr. and J. A. McGuire, 1982. Eggshell pimpling. Highlights 29:13.
Roland, David A
 
Farmer, M., D. A. Roland, Sr., 1980. The influence of dietary ingredients, photoperiod, and cage density on egg shell pimpling. Poultry Sci. 59:1606.
Roland, David A
 
Farmer, M., D. A. Roland, Sr., 1985. Breeder eggshell quality. Canada Poultryman 72:20-25.
Roland, David A
 
Farmer, M., D. A. Roland, Sr. and A. J. Clark, 1983. Influence of time of feeding on bone and dietary calcium utilization. Poultry Sci. 62:1416.
Roland, David A
 
Farmer, M., D. A. Roland, Sr. and A. J. Clark, 1983. Interaction of dietary calcium levels on bone calcium utilization. Poultry Sci. 62:1419.
Roland, David A
 
Farmer, M., D. A. Roland, Sr., and M. E. Eckman, 1981. The influence of the time of feeding an calcium status of the digestive system and eggshell quality in broiler breeder hens. Poultry Sci. 60:1600.
Roland, David A
 
Farmer, M., D. A. Roland, Sr., J. Brake and G. R. McDaniel, 1979. Status of the digestive system of broiler breeders at night. Poultry Sci. 58:1056-1057.
Roland, David A
 
Frost, T. J. and D. A. Roland, Sr., 1991. Synthetic vitamin D3 metabolites improve bone strength in cage layers. Poultry Research Update, p. 1.
Roland, David A
 
Frost, T. J. and D. A. Roland, 1989. The influence of various calcium and phosphorus levels on bone formation and production performance of pullets during peak production. Poultry Sci. 68:56.
Roland, David A
 
Frost, T. J., and D. A. Roland, Sr., 1990. Current methods used for determination and evaluation of bone strength: A correlation study. Poultry Sci. 69:167.
Roland, David A
 
Frost, T. J. and D. A. Roland, Sr., 1990. Supplemental vitamin D3 metabolities improve bone strength in poultry. Highlights of Agric. Research 37:14.
Roland, David A
 
Frost, T. J., D. A. Roland, Sr., and D. N. Marple, 1991. Effects of various dietary phosphorus levels on plasma 1,25(OH)2D3, ionized and total calcium and phosphorus in commercial leghorns. Poultry Sci. 70:159.
Roland, David A
 
Frost, T. J., D. A. Roland, Sr., D. E. Barnes, and S. M. Laurent, 1991. Influence of sodium zeolite A and vitamin D3 on plasma 1,25(OH)2D3, ionic and total calcium and phosphorus in commercial leghorn hens. Poultry Sci. 70:159.
Roland, David A
 
Frost, T. J., D. A. Roland, Sr., G. G. Untawale, 1989. The influence of vitamin D3, 1-alpha (OH) D3, and 1,25(OH)2 D3 on eggshell quality and production performance in aged laying hens. Poultry Sci. 68:56.
Roland, David A