Regulation and its refractoriness of 25-hydroxyvitamin D3 metabolism in vitamin D deficiency

agentes nocivos animal animal domestique animales animals aves de corral aves domesticas birds blood composition chemicophysical properties chickens chicks composition composition du sang deficiencia de vitaminas deficiency diseases disorders domestic animals domesticated birds enzimas enzyme enzymes enzymic activity facteur nuisible fisiologia fonction physiologique functional disorders galliformes injurious factors jeune animal maladie de carence metabolic disorders metabolism metabolisme metabolismo nutritional disorders oiseau oiseau domestique organic compounds oxidoreductases oxidorreductasas physiological functions physiologie physiology pollito pollo poulet poultry poussin trastornos trastornos funcionales trastornos nutricionales trouble trouble fonctionnel trouble nutritionnel vertebrados vertebrates vertebre vitamin d vitamin deficiencies vitamina d vitaminas vitamine vitamine d vitamins volaille young animals