The Impact of Probiotic Bacillus subtilis on Injurious Behavior in Laying Hens

Intestinal microbiota functions such as an endocrine organ to regulate host physiological homeostasis and behavioral exhibition in stress responses via regulating the gut-brain axis in humans and other mammals. In humans, stress-induced dysbiosis of the gut microbiota leads to intestinal permeabilit...

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Bibliographic Details
Published in:Animals (Basel) 2022-03, Vol.12 (7), p.870
Main Authors: Jiang, Sha, Hu, Jia-Ying, Cheng, Heng-Wei
Format: Article
Language:English
Subjects:
Aggressive behavior
Aggressiveness
Animal reproduction
Bacillus subtilis
Birds
Brain
Cannibalism
chicken
Digestive system
Dysbacteriosis
Egg production
Eggs
Fairs & exhibitions
Foraging behavior
Functional foods & nutraceuticals
gut microbiota
Homeostasis
Impulsive behavior
Inflammation
injurious behavior
Injury prevention
Intestinal microflora
Intestine
Mammals
Mental disorders
Microbiomes
Microbiota
Motivation
Permeability
Physiology
Poultry
Prevention
probiotic
Probiotics
Production increases
Review
Schizophrenia
serotonin
Signs and symptoms
Social interactions
social stress
Stress response
Survivability
Violence
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Summary:Intestinal microbiota functions such as an endocrine organ to regulate host physiological homeostasis and behavioral exhibition in stress responses via regulating the gut-brain axis in humans and other mammals. In humans, stress-induced dysbiosis of the gut microbiota leads to intestinal permeability, subsequently affecting the clinical course of neuropsychiatric disorders, increasing the frequency of aggression and related violent behaviors. Probiotics, as direct-fed microorganism, have been used as dietary supplements or functional foods to target gut microbiota (microbiome) for the prevention or therapeutic treatment of mental diseases including social stress-induced psychiatric disorders such as depression, anxiety, impulsivity, and schizophrenia. Similar function of the probiotics may present in laying hens due to the intestinal microbiota having a similar function between avian and mammals. In laying hens, some management practices such as hens reared in conventional cages or at a high stocking density may cause stress, leading to injurious behaviors such as aggressive pecking, severe feather pecking, and cannibalism, which is a critical issue facing the poultry industry due to negative effects on hen health and welfare with devastating economic consequences. We discuss the current development of using probiotic to prevent or reduce injurious behavior in laying hens.
ISSN:2076-2615
2076-2615
DOI:10.3390/ani12070870