Comparison of growth performance of pigs in open and evaporative cooling system housing
2000
Sansak Nakavisut | Kamon Chaweewan(Department of Livestock Development, Bangkok (Thailand). Nakornratchasima Swine Research and Testing Institute)
Environment always effects economic traits in pigs. In the open housing system where the environment is not controlled, pigs cannot express their genetic potential to the maximum. This experiment was conducted to compare performance of growing pigs in the open and evaporative cooling system housing. 38 pairs of pigs from the same litter and the same sex were used in the test. One member of the pair was tested in the open housing while the other was in the evaporative cooling system housing, to compare economic traitsADG, FCR, Back fat thickness, Age at 90 kg and daily feed intake. Paired T-test was applied to evaluate these traits. It was found that none of traits were significantly different between the 2 housing systems (P GT 0.05), they were 863.37+-17.28 VS 882.50+-20.05 g/day, 2.57+-0.05 VS 2.54+-0.05, 1.11+-0.03 VS 1.14+-0.03 cm, 146.92+-2.74 VS 146.23+-2.62 days and 2.02+-0.04 VS 2.22+-0.04 kg/day respectively.
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