Araujo, R S Effects of cottonseed oil and ferrous sulfate on the performance and expression of antioxidant enzymes in broilers. [electronic resource] - Poultry science Sep 2019 - 3860-3869 p. digital Publication Type: Journal Article ISSN: 1525-3171 Standard No.: 10.3382/ps/pez103 doi Subjects--Topical Terms: Animal Feed--analysisAnimalsAntioxidants--metabolismCatalase--metabolismChickens--physiologyCottonseed Oil--administration & dosageDiet--veterinaryDietary Supplements--analysisDose-Response Relationship, DrugFerrous Compounds--administration & dosageGene Expression--drug effectsGlutathione Peroxidase--metabolismIntestines--drug effectsMaleRandom AllocationSuperoxide Dismutase--metabolismWeight Gain--drug effects