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Calcium Requirement and Vitamin D Supplementation in Meat-Type Quail at First Stage of Growth

Perine, T. P; Grieser, D. O; Furlan, A. C; Ton, A. P. S; Benites, M; Zancanela, V. T; Stanquevis, C. E; Marcato, S. M.
R. bras. Ci. avíc.; 24(1): eRBCA-2019-1218, 2022. tab, graf
Artigo em Inglês | VETINDEX | ID: vti-765872


Currently, feed formulations for quail are based on foreign data or data from other species; this undermines productivity with the use of excessive or deficient levels of some nutrients. Therefore, this study aimed to determine the nutritional requirement levels of calcium (Ca) and supplementation vitamin D in meat-type quail from 1 to 14 d of age. The experiment was a 4 × 4 factorial arrangement of treatments (levels of Ca: 0.42, 0.58, 0.74 and 0.90% and levels of vitamin D: 1,000, 2,000, 3,000 and 4,000 IU) with 3 replicate pens and 43 quails per pen. Weight gain increased quadratically with increased levels of Ca and vitamin D; this variable yielded estimated levels of 0.73% Ca and 2,883 IU vitamin D. There was no Ca x vitamin D interaction effect on bone variables. Bone Ca, bone phosphorus, bone ash, femoral bone strength, tibial bone strength and the femoral Seedor index increased quadratically with an increase in Ca levels. These variables yielded estimated values of 0.78, 0.71, 0.78, 0.77, 0.83, and 0.71% Ca, respectively. It is concluded that the requirements of Ca and vitamin D for the maximum weight gain of meat-type quails, in the period from one to 14 days of age, were 0.73% Ca (p=0.001) and 2,883 IU vitamin D (p=0.02), respectively.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1