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Egg Incubation Physiology - Anatomy & Physiology
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Revision as of 12:02, 22 July 2008
240 bytes added
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12:02, 22 July 2008
→Heat Transfer to the Egg
Line 34:
Line 34:
** The closeness with which the 'brood patch' is applied to the egg.
** The closeness with which the 'brood patch' is applied to the egg.
** Responding physiologically to the temperature of the egg, thus increasing or decreasing metabolic heat production.
** Responding physiologically to the temperature of the egg, thus increasing or decreasing metabolic heat production.
−
* 'Brood patch temperature is 34.9-42.
4
+
* 'Brood patch
'
temperature is 34.9-42.
4ºC.
+
** This is 1.1-5.5ºC higher than the egg temperature.
+
+
+
* Heat loss from the egg is prevented by a thin boundary layer of air adjacent to the shell.
+
* If the egg is in a nest, the nest will also provide resistance to heat loss.
+
+
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== Development of Physiological Functions ==
== Development of Physiological Functions ==
Lwilkie
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