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Thermal Environmental Index for Productivity of Rabbits in Different Housing Systems

机译：不同房屋系统中兔子生产力的热环境指数

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This work was carried out at the Rabbit Research Unit, Faculty of Agriculture, Cairo University, Giza, Egypt, during hot months (July and August), 2013 and 2014.The aim of this work was to investigate the effect of two housing systems on the productive and reproductive performance of New Zealand White (NZW) rabbits for predicting the main physiological responses and performance indexes.Indoor and outdoor air temperatures, relative humidity and wind speed were measured over these months.Nonlinear regression approach was used to derive a regression equation to calculate the thermal environmental index for productivity of rabbits (TEIR) and prediction of the main rabbit's physiological responses surface temperature(Tsp) inside the housing systems.In house "A", the roof gained about 78.20％ of the total heat.Using 5 cm of compressed straw slabs will decrease the combined UA-value from 2,383.56 to749.11 W ℃-1 and this will decrease the heat gain or loss from the building.The data indicate that there is a need to modify the existing structural design, particularly the intense heat load transmission into the house in hot months that will cause heat stress on the rabbits and reduce their productivity.
机译：这项工作是在2013年和2014年炎热的月份（7月和8月）在埃及吉萨开罗大学农业学院的兔子研究室进行的，目的是调查两种住房系统对农业的影响。新西兰白兔（NZW）的生产和生殖性能，以预测主要的生理反应和性能指标。在这几个月中测量室内和室外气温，相对湿度和风速。使用非线性回归方法得出回归方程计算家禽生产效率的热环境指数（TEIR）并预测房屋系统内部主要兔子的生理反应表面温度（Tsp）。在“ A”房屋中，屋顶获得的热量约占总热量的78.20％。使用5厘米的压缩草板将把UA的总值从2,383.56降低到749.11 W℃-1，这将减少建筑物的热量吸收或损失。数据表明因此需要修改现有的结构设计，尤其是在炎热的月份将大量的热负荷传递到房屋中，这将对兔子造成热应激并降低其生产率。

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