Lactobacillus helveticus R0052 and Increased Feeding Bouts in the Center of the Open Field

• Lactobacillus helveticus R0052 and Bifidobacterium longum R0175 administration to Long-Evans rats has interactive effects with sex and diet on anxiety-related feeding behaviors and specific endocrine outcomes.

  • 2025-10
  • Physiology & behavior 300
  • • Elizabeth M Myles
    • M Elizabeth O'Leary
    • Isaac D Romkey
    • Sara I Hamm
    • Laura Dauphinee
    • Amanda Piano
    • Stéphane Bronner
    • Tara S Perrot

  • PubMed: 40664306
  • DOI: 10.1016/j.physbeh.2025.115030

  2 Insights on

  • Increased Feeding Bouts in the Center of the Open Field

  • Low evidence
  • Animal Study

  Independent of diet and sex, probiotic administration resulted in more feeding bouts and food pellet contacts in the center compared to placebo.

  Effect

  Beneficial

  Effect size

  Small