732 Publications (Page 29 of 30)
n.d.no date or unknown
Roland, David A., Sr. and Randy Gordon, 1996. Phosphorus and Calcium optimization in layer diets with added phytase. Proceedings of the Guelph Facts and Figures Symposium. pp. 31-47.
Roland, David A
 
Roland, David A., Sr. and Randy Gordon, 1996. Phosphorus and Calcium optimization in layer diets with added phytase. Proceedings of the Quebec Seminar Technique BASF L' Aviculture. pp. 1-30.
Roland, David A
 
Roland, David A., Sr. and Randy Gordon, 1996. Phosphorus and Calcium optimization in layer diets with added phytase. Proceedings on the Abbotsford, B.C. Facts and Figures Symposium. pp. 49-65.
Roland, David A
 
Roland, David A., Sr., and Randy Gordon, 1996. Phosphorus and Calcium optimization in layer diets with phytase. Proceedings of Technical Symposium and Pacific NW Animal Nutrition Conference. pp. 109-123.
Roland, David A
 
Roland, David A., Sr., and S. Punna, 1999. Influence of Supplemental Microbial phytase on first-cycle laying hens fed phosphorus-deficient diets 1. From day one to 18 wks of age. Proceedings of the BASF layer Technical Symposium. International Poultry Exposition. Atlanta, GA. pp. 36-48.
Roland, David A
 
Roland, David A., Sr., X. Zhang, G.R. McDaniel and S.K. Rao, 1999. Effectiveness of Natuphos phytase in improving performance of broiler breeder hens. Proceedings of the BASF Broiler Technical Symposium: International Poultry Exposition, Atlanta, GA.pp. 1-8.
Roland, David A
 
Roland, D. A., Sr., 1984. Efecto del momento de la ingestion de calcio sobre la colidad de la cascara. Avicultural Profesional - Volume 2, Numbero 1, pp. 31-32.
Roland, David A
 
Roland, D., Sr., 1987. Recent developments with D3 concerning eggshell pimpling, skeletal problems and body storage. Proceedings Maryland Nutrition Conference, pp. 109-116.
Roland, David A
 
Roland, D. A., Sr., 1986. Egg shell breakage: Incidence and economic impact. Calcium and Eggshell Quality Update, Vol. 2, No. 2, pp. 1-4.
Roland, David A
 
Roland, D.A., Sr., 1994. 24 hour lighting before molt raised body-checks. Poultry Digest 53:6.
Roland, David A
 
Roland, D.A., Sr., M.M. Bryant, and Jack Self, 1995. Econometric comparison (Profits and Performance) of first, second, and third cycle hens (Phase I) as influenced by egg and feed price. Egg Producer Update Vol. 1:No. 1 pp. 1-33.
Roland, David A
 
Sefton, A.E., Mary Bryant and D.A. Roland, Sr., 1999. Supplementation of layer rations with two commercial phytase enzyme. Poultry Sci. (In press).
Roland, David A
 
Sloan, D. R., D. A. Roland, Sr. and R. H. Harms, 1973. Circadian rhythms in serum calcium of laying hens and the relationship of serum calcium to shell quality. Poultry Sci. 52:2086.
Roland, David A
 
Sloan, D. R., D. A. Roland, Sr., and R. H. Harms, 1973. Circadian rhythms of serum calcium in the laying hen. Association of Southern Agricultural Workers, Inc. p. 223-224.
Roland, David A
 
Sohail, S.S. and D.A. Roland, Sr., 1996. Influence of dietary phosphorus on performance of Hy-Line W36 hens. Poultry Sci. 75 (Supplement 1):69.
Roland, David A
 
Sohail, S.S. and D.A. Roland, Sr., 1997. Influence of phytase or calcium utilization in commercial layers. Poultry Sci. 76 (Supplement 1):21.
Roland, David A
 
Sohail, S.S. and D.A. Roland, Sr., 1998. Influence of supplemental lysine, isoleucine, threonine and tryptophan on egg weight of Hyline W36 hens. Poultry Sci. 77. (Supplement 1):129.
Roland, David A
 
Sohail, S.S. and David A. Roland, Sr., 1997. Influence of supplemental phytase on performance of broilers 4-6 weeks of age. Poultry Sci. 76 (Supplement 1):159.
Roland, David A
 
Sohail, S.S. and David A. Roland, Sr., 1997. Partial explanation for differences in response of hens fed diets formulated based on protein vs. Lysine. Poultry Sci. 76 (Supplement 1):107.
Roland, David A
 
Sohail, S. Syed and David A. Roland, Sr., 1999. Fabulous Phytase. Phytase Enzyme proving helpful to Poultry Producers and Environment. Highlights: 46:13-14.
Roland, David A
 
Sohail, Syed S., David A. Roland, Sr., and S.K. Rao, 1999. Influence of cage density and prior dietary phosphorus level on phosphorus requirement of commercial leghorns. Poultry Sci: 78.
Roland, David A
 
Sohail, Syed. S., M. Bryant and D.A. Roland, Sr., 1999. Influence of supplemental lysine on egg size and production of hens fed diets formulated based on Lysine. P.S. (In press).
Roland, David A
 
Stonerock, R. H., D. A. Roland and R. A. Voitle, 1973. Serum calcium patterns, eggshell quality and feed intake patterns of 50 week-old cropectomized hens. Association of Southern Agricultural Workers, Inc. p. 222.
Roland, David A
 
Stonerock, R. H., D. A. Roland, Sr. and R. A. Voitle, 1973. The influence of cropectomy on calcium content of the hens digestive system at night. Poultry Sci. 52:2091.
Roland, David A
 
Stonerock, R. H., R. A. Voitle and D. A. Roland, Sr., 1972. Egg production, eggshell quality and feeding behavior in cropectomized pullets. Poultry Sci. 51:1875.
Roland, David A