Abstract
The dynamics of behavioral reactions is studied. Habit, live weight of roosters in artificially created models of desynchronosis: acute, due to three-day inversion of the light regime, and chronic, due to crowding increased placing density. An assessment of the behavior, habitus, feed intake, feather cover and molting conditions in combination with the glycemia level, which together provide an objective assessment of the effect of desynchronosis on the functional state of birds and their adaptation to acute and chronic stress.
Highlights
The animal’s body always responds to the action of any stressor with stereotypical behavior It is a chain of successive reactions that are genetically determined, they are quickly activated by a complex of neuro-endocrine mechanisms [1, 2, 3]
These reactions include a complexly organized hypothalamic-pituitaryadrenal and sympatho-adrenal systems [4, 5] Together they act as a system of protection and adaptation on the principle of feedback [6]
The subsequent transfer of birds to the natural light mode – from the 1st to the 15th day of the experiment, significantly caused a reduction in the duration of the manifestation of stereotypical behavior associated with feeding and motor activity, increased vocal activity, which was accompanied by high aggression and anxiety, fearfulness and fear, the search for threats
Summary
The animal’s body always responds to the action of any stressor with stereotypical behavior It is a chain of successive reactions that are genetically determined, they are quickly activated by a complex of neuro-endocrine mechanisms [1, 2, 3]. The subsequent transfer of birds to the natural light mode – from the 1st to the 15th day of the experiment, significantly caused a reduction in the duration of the manifestation of stereotypical behavior associated with feeding and motor activity (head turning, biting, walking, etc.), increased vocal activity, which was accompanied by high aggression and anxiety, fearfulness and fear, the search for threats.
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