Yörük, M A The effects of supplementation of humate and probiotic on egg production and quality parameters during the late laying period in hens. [electronic resource] - Poultry science Jan 2004 - 84-8 p. digital Publication Type: Journal Article ISSN: 0032-5791 Standard No.: 10.1093/ps/83.1.84 doi Subjects--Topical Terms: Animal Nutritional Physiological PhenomenaAnimalsChelating Agents--administration & dosageChickens--physiologyDietary SupplementsDose-Response Relationship, DrugEating--drug effectsEggs--standardsFemaleHumic SubstancesOviposition--drug effectsProbioticsRandom Allocation