ORIGINAL PAPER
Efficacy of different limestone particle size and 25-hydroxycholecalciferol in broiler diets
 
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National Research Institute of Animal Production, Department of Animal Nutrition and Feed Sciences, 32-083 Balice, Poland
CORRESPONDING AUTHOR
J. Koreleski   

National Research Institute of Animal Production, Department of Animal Nutrition and Feed Sciences, 32-083 Balice, Poland
Publication date: 2005-10-17
 
J. Anim. Feed Sci. 2005;14(4):705–714
 
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ABSTRACT
In a 6-week experiment on 560 Cobb broilers, the response of chickens to supplementation of diets with particulate grit and 25-hydroxycholecalciferol (25-OH-D3) was evaluated. Maize- and soyabean meal-based diets contained pulverized limestone or a mixture of 70% pulverized and 30% particulate (1.2-4 mm in diameter) limestone as a source of calcium. Both diets were supplemented with vitamin D3 (cholecalciferol) or 25-OH-D3 was substituted in amounts equivalent to 20, 40, 50, 60, 80, or 100% of cholecalciferol. Incorporation of particulate forms of limestone into the diet positively affected performance and the ash and Ca contents in the tibia. Replacement of cholecalciferol by 25-OH-D3 at a level of 50 and 60% had a beneficial effect on body weight gain and feed conversion, 100% substitution, on the Ca content of the tibia, whereas 50, 60, 80 and 100% substitution, on Ca and P balance.
 
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1.
Efficacy of dietary vitamin D and its metabolites in poultry - review and implications of the recent studies
S. ŚWIĄTKIEWICZ, A. ARCZEWSKA-WŁOSEK, D. BEDERSKA-LOJEWSKA, D. JÓZEFIAK
World's Poultry Science Journal
 
2.
Evaluation of Relative Bioavailability of 25-Hydroxycholecalciferol to Cholecalciferol for Broiler Chickens
J. C. Han, G. H. Chen, J. G. Wang, J. L. Zhang, H. X. Qu, C. M. Zhang, Y. F. Yan, Y. H. Cheng
Asian-Australasian Journal of Animal Sciences
 
3.
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Felix Shih-Hsiang Hsiao, Yeong-Hsiang Cheng, Jin-Cheng Han, Ming-Huang Chang, Yu-Hsiang Yu
Revista Brasileira de Zootecnia
 
4.
Role of long-term supplementation of 25-hydroxyvitamin D3 on laying hen bone 3-dimensional structural development
C. Chen, B. Turner, T.J. Applegate, Gilberto Litta, W.K. Kim
Poultry Science
 
5.
Role of 25-Hydroxyvitamin D3 and 1,25-Dihydroxyvitamin D3 in Chicken Embryo Osteogenesis, Adipogenesis, Myogenesis, and Vitamin D3 Metabolism
Chongxiao Chen, Dima White, Brett Marshall, Woo Kim
Frontiers in Physiology
 
ISSN:1230-1388