Comparative efficacy of selenium nanoparticles vs. sodium selenite in mitigating summer stress: Enhancing egg biofortification, antioxidant defense, and hatchability in aged laying breeder hens.

ABSTRACT: This study investigated the effects of different levels of selenium nanoparticles (Nano-Se) and sodium selenite (SS) on the production performance, egg quality, hatchability, yolk selenium (Se) deposition, serum antioxidant enzyme of aged laying breeder hens in summer, as well as to evaluate the relative biological potency of Nano-Se relative to SS. A total of 756 healthy 60-week-old Hy-Line Grey laying hens were randomly divided into 9 groups, with 6 replicates in each group (13 hens and 1 roosters), After 4 weeks of Se depletion, all groups were provided with the same basal diet (no Se supplementation) fortified with SS or Nano-Se at concentration of 0.0 mg/kg, 0.1 mg/kg, 0.2 mg/kg, 0.3 mg/kg, or 0.4 mg/kg, for 8 weeks. Egg performance, egg quality, Se content in egg yolk, hatchability,

SUBMITTER: Chen Y 

PROVIDER: S-EPMC12305570 | biostudies-literature | 2025 Jun

REPOSITORIES: biostudies-literature