Abstract
This study aims to analyse the microclimate of opened house and closed house in broiler rearing. The research location was Sumber Rejo Village, Gedangan District,Malang City. The number of CP 707 broiler strains in the opened house was 8,000 and 16,000 in closed house. Microclimate data collected were temperature (°C) and relative humidity of the cage (percentage), and air speed (feet/minute). The instrument used was thermohygro with sensors that can record data automatically and air speed measured to determine parameters of the rearing period. The temperature and humidity data of the house measured periodically on 06.00 a.m., 12.00 a.m., and 18.00 a.m. Data collected for 35 days of the rearing period, starting on September 13th until October 18th, 2019. Data tabulated and analysed using unpaired t-test. Based on the analysis results there were not significant differences in the temperature and relative humidity of opened and closed house air during daytime observations (P>0.01). There was a significant difference in viscosity (P<0.05) within house systems. It is suggested to do further research about effect of house system on broiler performance.
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