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Boris, A, J.F. Hurley and T.Trmal, 1977.  Relative activities of some metabolites and analogs of cholecalciferol in stimulation of tibia ash weight in chicks otherwise deprived of vitamin D.  Journal of Nutrition 107:194-198.

Edwards, H.M., Jr., Shirley, R.B., Escoe, W.B., and Pesti, G.M., 2002. Quantitative evaluation of 1-ex-Hydroxycholecalciferol as a cholecalciferol substitute for broilers.  Poultry Science 81: 664-669.

Baker, D.H. , R.R. Biehl and J.L. Emmert, 1998.  Vitamin D3 requirement of young chicks receiving diets varying in calcium and available phosphorus.  British Poultry Science 39:413-417.

Kasim A.B. and H.M. Edwards, Jr., 1998.  The analysis for inositol phosphate forms in feed ingredients.  Journal of the Science of Food and Agriculture 76: 1-9.

Norman, A.W., 1972.  Problems relating to the definition of an international unit for vitamin d and its metabolites.  Journal of Nutrition 102:1243-1246.

Hall, L. E., R. B. Shirley, R. I. Bakalli, S. E. Aggrey, G. M. Pesti and H. M. Edwards, Jr., 2003.  Power of two methods for the estimation of bone ash of broilers. Poultry Science 82: 414-418.

Edwards, H.M., Jr. 2002. Studies on the efficacy of cholecalciferol derivatives for stimulating phytate utilization in broilers. Poultry Science 81: 1026-1031.

Edwards, Hardy M., Jr. 1993. Dietary 1, 25-Dihydroxycho1ecalciferol supplementation increases natural phytate phosphorus utilization in chickens. Journal of Nutrition 567-577.

Biehl, R.R., D.H. Baker and H.F. DeLuca, 1995.  1 alpha-Hydroxylated cholecalciferol compounds act additively with microbial phytase to improve phosphorus, zinc and manganese utilization in chicks fed soy-based diets. Journal of Nutrition 125:2407-2416.

Mitchell, R. D. and H. M. Edwards, Jr., 1996a. Effects of phytase and 1,25-dihydroxycholecalciferol on phytate utilization and the quantitative requirement for calcium and phosphorus in young broiler chickens. Poultry Science 75:95-110.

Mitchell, R. D. and H. M. Edwards, Jr., 1996b.Additive effects of 1,25-dihydroxycholecalciferol and phytase on phytate phosphorus utilization and related parameters in broiler chickens. Poultry Science75:111-119.

Snow, J.L., D.H. Baker and C.M. Parsons, 2004.  Phytase, citric acid, and 1 α-hydroxycholecalciferol improve phytate phosphorus utilization in chicks fed a corn-soybean meal diet.  Poultry Science 83:1187-1192.

Biehl, R.R. and D. H. Baker, 1997.  Utilization of phytate and nonphytate phosphorus in chicks as affected by source and amount of vitamin D3.  Journal of Animal Science 75:2986-2993.

Biehl, R.R. and D. H. Baker, 1997.  1α-Hydroxycholecalciferol does not increase the specific activity of intestinal phytase but does improve phosphorus utilization in both cecectomized and sham-operated chicks fed cholecalciferol-adequate diets.  Journal of Nutrition 127:2054-2059.

Aburto, A., H.M. Edwards, Jr. and W.M. Britton, 1998.  The influence of Vitamin A on the utilization and amelioration of toxicity of cholecalciferol, 25-hydroxycholecalciferol, and 1,25 Dihydroxycholecalciferol in young broiler chickens.  Poultry Science 77:585-593.

Edwards, H. M., 2000.  Nutrition and Skeletal Problems in Poultry.  Poultry Science 79:1018-1023.

Edwards, H.M., Jr., 1990. Efficacy of several vitamin D compounds in the prevention of tibial dyschondroplasia in broiler chickens. Journal of Nutrition: 120: 1054-1061.

Elliot, M.A., K.D. Roberson, G.N. Rowland, 3rd, Edwards, H.M. Jr., 1995.  Effects of dietary calcium and 1,25-dihydroxycholecalciferol on the development of tibial dyschondroplasia in broilers during the starter and grower periods. Poultry Science 74:1495-1505.

Elliot, M.A., and Edwards HM Jr. 1997. Effect of 1,25-dihydroxycholecalciferol, cholecalciferol, and fluorescent lights on the development of tibial dyschondroplasia and rickets in broiler chickens.  Poultry Science 76:570-580.

Mitchell, R.D., Edwards, H.M. Jr., McDaniel, G.R., Rowland, G.N., 3rd, 1997.  Dietary 1,25-dihydroxycholecalciferol has variable effects on the incidences of leg abnormalities, plasma vitamin D metabolites, and vitamin D receptors in chickens divergently selected for tibial dyschondroplasia. Poultry Science 76:338-345.

Mitchell, R.D., H.M. Jr. Edwards, and G.R. McDaniel, 1997.  The effects of ultraviolet light and cholecalciferol and its metabolites on the development of leg abnormalities in chickens genetically selected for a high and low incidence of tibial dyschondroplasia. Poultry Science 76:346-354.

Rennie, J,S, and C.C. Whitehead, 1996.  Effectiveness of dietary 25- and 1-hydroxycholecalciferol in combating tibial dyschondroplasia in broiler chickens.  British Poultry Science 37:413-421.

Carlos, A.B., H.M. Edwards, Jr.1998. The effects of 1,25-dihydroxycholecalciferol and phytase on the natural phytate phosphorus utilization by laying hens.  Poultry Science 77:850-885.

Snow, J.L., M.E. Persia, P.E. Biggs, D.H. Baker, and C.M. Parsons, 2003.  1alpha-hydroxycholecalciferol has little effect on phytate phosphorus utilization in laying hen diets.  Poultry Science 82:1792-1795.

Abdulrahim, S.M., M.B. Patel, and J. McGinnis, 1979.  Effects of vitamin D3 and D3 metabolites on production parameters and hatchability of eggs.  Poultry Science 58:858-863,

Atencio, A., H.M. Edwards, Jr., G.M. Pesti and G.O. Ware, 2006.  The Vitamin D3 requirement of broiler breeders.  Poultry Science 85:674-692.

Atencio, A., H.M. Edwards, Jr., G.M. Pesti and G.O. Ware, 2006.  The Vitamin D3 requirement of broiler breeders.  Poultry Science 85:674-692.


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