Abstract
The effects of climatic conditions such as temperature, wind speed, humidity, light and air composition on metabolic and production rate are discussed. The physiological and production responses are at the same time depending on the factors: breed, age, body weight, activity, feathering, food intake, nutritional and temperature history.
The mass exponent in the metabolic body weight unit, which is used for intraspecific comparison, varies generally between 0.60 and 0.67.
There is a direct depressing effect of ambient temperature on the increase of food intake per centigrade at decreasing temperatures and on egg production at increasing temperatures.
For comparative and predictive purposes it is necessary to incorporate many factors in a “total effective ambient temperature”.
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© 1987 Martinus Nijhoff Publishers, Dordrecht
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Van Kampen, M. (1987). Climatic Conditions and Energy Metabolism of Laying Hens. In: Verstegen, M.W.A., Henken, A.M. (eds) Energy Metabolism in Farm Animals. Current Topics in Veterinary Medicine and Animal Science, vol 44. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3363-7_13
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DOI: https://doi.org/10.1007/978-94-009-3363-7_13
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