Thermal Environmental Index for Productivity of Rabbits in Different Housing Systems
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 rabbits 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.
Rabbits housing thermal properties energy balance production and reproduction
Mohamed H.Hatem Badr A.Mohamed
Department of Agricultural Engineering, Faculty of Agriculture, Cairo University, Giza, Egypt
国际会议
The 2015 International Symposium on Animal Environment and Welfare(动物环境和福利国际研讨会)
重庆
英文
3-10
2015-10-23（万方平台首次上网日期，不代表论文的发表时间）