Review

Effects of Air Velocity on Regulation of Thermal Balance in Poultry

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  • State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China

Received date: 2015-01-29

  Online published: 2015-05-13

Abstract

Air velocity as a principal parameter of thermal load affects the regulation of thermal balance of poultry along with ambient temperature and humidity. At high ambient temperature, enhanced air velocity increases the sensible heat loss of poultry, which plays a major role in the regulation of energy balance at an appropriate air velocity. The decrease of latent heat loss can be achieved by adjusting the water balance and increasing the ratio of sensible heat loss. This can enhance energy utilization and improve weight gain and feed conversion rate. Many factors influence the performance of poultry, such as air velocity, days of age, ambient temperature, the pattern of feed and ventilation. This review summarized thermal balance and regulation and the contribution of air velocity to sensible heat loss and latent heat loss of poultry. Combined with the statement of performance, the effects of air velocity on thermal balance were elucidated.

Cite this article

ZHANG Shaoshuai, ZHANG Minhong . Effects of Air Velocity on Regulation of Thermal Balance in Poultry[J]. Chinese Journal of Animal Nutrition, 2015 , 27(5) : 1348 -1354 . DOI: 10.3969/j.issn.1006-267x.2015.05.003

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