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Egg Incubation Physiology - Anatomy & Physiology
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Revision as of 12:03, 22 July 2008
6 bytes added
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12:03, 22 July 2008
→Heat Transfer to the Egg
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* Transfer of heat from the body to the egg is the most important contribution of the incubating adult to incubation.
* Transfer of heat from the body to the egg is the most important contribution of the incubating adult to incubation.
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* Most birds develop a seasonal bare patch of skin known as the 'brood patch' on part of the thorax and abdomen.
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* Most birds develop a seasonal bare patch of skin known as the
'''
'brood patch
'''
' on part of the thorax and abdomen.
** 'Brood patch' is in direct contact with the egg to permit a greater heat transfer than if there were feathers between them.
** 'Brood patch' is in direct contact with the egg to permit a greater heat transfer than if there were feathers between them.
* At the same time, there is an increase in the size and number of blood vessels in the bare skin.
* At the same time, there is an increase in the size and number of blood vessels in the bare skin.
Lwilkie
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