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Acta sci., Anim. sci ; 44: e54218, 2022. tab
Artigo em Inglês | VETINDEX | ID: biblio-1366580

Resumo

The aim of studywas to compare efficacy of 1-α(OH)D3alone or in combination with phytase and 1-α(OH)D3in combination of phytase and different concentration of cholecalciferol on performance, tibia parameters,andplasma minerals of quails fed Ca-P deficient diet. A total of 280 mixed sex 5-d-old quails were allocated to 7 treatments with 5 replicates.The vitamin supplement which incorporated to basal diet did not contain cholecalciferol.The dietary treatments were as follows: Ca-P deficient diet (basal diet); basal diet + 500 FTU phytase/kg of diet; basal diet + phytase + 5 µg of 1-α(OH)D3kg-1of diet;basal diet + phytase + 5 µg of 1-α(OH)D3and 250, 500, 750 and 1,000 IU of cholecalciferol kg-1of diet. The highest final body weight and the best feed conversion ratioobtained in the group supplemented with 1,000 IU cholecalciferol kg-1of diet (p < 0.05). Supplementation of 1-α(OH)D3 alone or in combination with phytase and phytase and different concentration of cholecalciferol could improve tibia parameters (p < 0.05). In conclusion, supplementation of 1-α(OH)D3alone to Ca-P deficient diet could maximize tibia mineralization, whereas it couldn't maximize performance, performance criteria were maximized by supplementation of 1,000 IU cholecalciferol kg-1of diet.(AU)


Assuntos
Animais , Colecalciferol , 6-Fitase , Coturnix/fisiologia , Tíbia
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