Abstract
The rapid growth and high egg production rate of quails have increased the importance of the quail industry. However, the intensive systems recently used in quail production negatively affect quail productivity. The use of medicinal plants as efficient natural growth promoters in animal production has been widely applied. This study is designed to find out the effects of chamomile aqueous extract on the growth performance and feed efficiency of Japanese quail. Fourty immature Japanese quails (two weeks old) were used in the study, which lasted for four weeks (2-6 weeks of age). Experimental treatments involved: control, with no additive in drinking water; experimental (chamomile extract 3ml/L drinking water) with 20 birds per group. Results showed that quail supplemented with chamomile extract showed increased final weight, weight gain, and weight gain percentage in comparison with the control group. Moreover, the feed conversion ratio was lower in the chamomile-treated group. Chamomile extract can be recommended as an effective and safe growth promotor for immature Japanese quail.
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