Abstract
Decreased productive performance due to heat stress in poultry often occurs in tropical environments. This study seeks to see the body temperature and productive performance of quail in different floor spaces and levels of betaine supplementation. The study was designed as a completely randomized design, consisting of two floor spaces (225 and 164 cm2/bird) and supplementation treatment (0% and 0.15% betaine). ANOVA test and DMRT were applied to catch the effect of treatments. Body temperature measurements showed that rectal and wing temperatures in quail with betaine supplementation were lower than in the control treatment (P<0.05). These results correspond with the betaine group’s feed, protein, and energy efficiency, which is better than the control (P<0.05). The egg production at floor spaces 225 cm2 and 164 cm2 supplemented with betaine was higher than the control groups (P<0.05), with values of 69.55% and 66.49%, respectively. Based on this study, we concluded that betaine supplementation to 225 cm2/bird and 164 cm2/bird floor spaces reduced heat stress and improved laying quail performance.
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