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25-hydroxycholecalciferol-1-hydroxylase activity in heat stressed laying hens



25-hydroxycholecalciferol-1-hydroxylase activity in heat stressed laying hens



Poultry Science 61(3): 586-588



The activity in kidney of 25-hydroxycholecalciferol-1-hydroxylase was estimated in heat-stressed laying hens fed on a 3.5% calcium diet with 0.625% or 0.925% phosphorus. The activity of the enzyme in the heat-stressed hens was higher than in the controls (P <07).

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Accession: 000803613

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PMID: 7088813


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