N. Landy
Young Researchers and Elite Club, Khorasgan Branch, Islamic Azad University, Isfahan, Iran
M. Toghyani
ABSTRACT
This experiment in broiler chickens was conducted to test the efficacy of feeding 1alpha-OH D3 as a replacement for cholecalciferol on performance, tibia quality and severity of tibial dyschondroplasia (TD). On the day of hatch 96 as hatched broiler chickens (Ross-308) were weighted and randomly allocated to two treatment groups, each with 4 replicate pens of 12 chicks. The dietary treatments were as follows: basal diet+5μg/kg of 1alpha-OHD3, or basal diet+5000 IU/kg vitamin D3. The broiler house was completely enclosed and lighting was provided by incandescent bulbs. No significant differences (p>0.05) were observed on daily feed intake, body weight and feed conversion ratio whereas it tended to improve in broilers fed basal diet supplemented with 5μg/kg of 1alpha-OHD3 diet (p>0.05). No significant differences (p>0.05) were found between broilers fed basal diet plus 1alpha-OHD3 or the same basal diet plus cholecalciferol for any of tibia variables measured, whereas it tended to increase in broilers fed basal diet supplemented with 5μ g/kg of 1alpha-OHD3 (p>0.05). Treatments failed to induce any effect on TD scores at d 42, though it tended to increase in broilers fed diets containing 5μg/kg of 1alpha-OHD3 (p>0.05). In conclusion, the results indicate that supplementing 1alpha-OHD3 as a replacement for cholecalciferol could promote performance and tibia parameter and it increased severity of TD, whereas the results were not statistically significant.
PDF References Citation
How to cite this article
N. Landy and M. Toghyani, 2014. Evaluation the Effects of Dietary Cholecalciferol Substitution with 1alpha-Hydroxycholecalciferol on Performance and Tibia Parameters in Broiler Chickens. International Journal of Poultry Science, 13: 515-517.
DOI: 10.3923/ijps.2014.515.517
URL: https://scialert.net/abstract/?doi=ijps.2014.515.517
DOI: 10.3923/ijps.2014.515.517
URL: https://scialert.net/abstract/?doi=ijps.2014.515.517
REFERENCES
- AOAC., 1990. Official Methods of Analysis. 15th Edn., Association of Official Analytical Chemists, Washington, DC., USA., Pages: 684.
Direct Link - AOAC., 1995. Official Methods of Analysis. 16th Edn., Association of Official Analytical Chemists, Washington, DC., USA.
Direct Link - 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. J. Anim. Sci., 75: 2986-2993.
PubMed - 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. J. Nutr., 107: 194-198.
Direct Link - Edwards, Jr. H.M. and J.R. Veltmann, 1983. The role of calcium and phosphorus in the etiology of tibial dyschondroplasia in young chicks. J. Nutr., 113: 1568-1575.
Direct Link - Edwards, Jr. H.M., R.B. Shirley, W.B. Escoe and G.M. Pesti, 2002. Quantitative evaluation of 1-alpha-hydroxycholecalciferol as a cholecalciferol substitute for broilers. Poult. Sci., 81: 664-669.
CrossRefDirect Link - Edwards, Jr. R.M., 1989. The effect of dietary cholecalciferol, 25-hydroxycholecalciferol and 1,25-dihydroxycholecalciferol on the development of tibial dyschondroplasia in broiler chickens in the absence and presence of disulfiram. J. Nutr., 119: 647-652.
PubMed - Fritts, C.A. and P.W. Waldroup, 2003. Effect of source and level of vitamin D on live performance and bone development in growing broilers. Applied Poult. Res., 12: 45-52.
CrossRefDirect Link - Haussler, M.R., J.E. Zerwekh, R.H. Hesse, E. Rizzardo and M.M. Pechet, 1973. Biological activity of 1alpha-hydroxycholecalciferol, a synthetic analog of the hormonal form of vitamin D3. Proc. Natl. Acad. Sci. USA., 70: 2248-2252.
PubMed - Lofton, J.T. and J.H. Soares Jr., 1986. The effects of vitamin D3 on leg abnormalities in broilers. Poult. Sci., 65: 749-756.
CrossRefPubMedDirect Link - Mottaghitalab, M., M. Hormozdi and A. Kamyab, 2013. Effect of cholecalciferol (D3) replacement with 1alpha-hydroxycholecalciferol onbroiler breeder hen's performance. J. Anim. Poult. Sci., 2: 39-47.
Direct Link - Whitehead, C.C., 1995. The role of vitamin D metabolites in the prevention of tibial dyschondroplasia. Anim. Feed Sci. Technol., 53: 205-210.
CrossRefDirect Link - Zhang, X., G. Liu, G.R. McDaniel and D.A. Roland, 1997. Responses of broiler lines selected for tibial dyschondroplasia incidence to supplementary 25-hydroxycholecalciferol. J. Applied Poult. Res., 6: 410-416.
CrossRefDirect Link