Brood patch innervation and its role in the onset of incubation in the turkey hen.
Physiol Behav
; 50(2): 281-5, 1991 Aug.
Article
en En
| MEDLINE
| ID: mdl-1745670
ABSTRACT
The source of innervation to the brood patch in turkey hens was determined by recording the electrophysiological activity of cutaneous nerves while manually stimulating various regions of the skin. The entire area of the brood patch was innervated by eight nerves, arising from thoracic vertebra 3 to synsacrothoracic vertebra 1. To determine whether afferent input from the brood patch influenced egg production or incubation behavior, hens were bilaterally denervated prior to photoinduced egg production. Denervated hens visited nests the same number of times, but stayed on the nest for less total time than controls by the fourth week of photostimulation. Serum prolactin levels rose in control hens but not in denervated hens. Egg production was maintained in the denervated hens but not in controls. None of the denervated hens displayed incubation behavior. This experiment supports the view that peripheral nervous input plays a role in the onset of incubation behavior.
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Banco de datos:
MEDLINE
Asunto principal:
Nervios Periféricos
/
Prolactina
/
Piel
/
Temperatura Cutánea
/
Termorreceptores
/
Pavos
/
Comportamiento de Nidificación
Límite:
Animals
Idioma:
En
Año:
1991
Tipo del documento:
Article