The Influence of Feed Mixtures with Origanum Aetheroleum on Broiler’s Production in the Application of the Principles of Welfare
Keywords:
broiler, essential oil, feedstuff, Origanum aetheroleum, productionAbstract
In this paper the effect of the Origanum aetheroleum - essential oil on the production growth and health of broiler chickens in conditions of welfare was studied. The animals had a free access to feedstuff and water. The experiment was carried out in 2 cycles on broiler types Ross 308 and Cobb 500. The viability, welfare and the body weight of broiler chickens at the end of each cycle was detected. The breeding was kept in the terms of welfare. The viability in trial groups (fed with feedstuff enriched with Origanum aetheroleum - essential oil was 100% while in the control groups the viability was 98% in first cycle carried out on Ross 308 and 98% in the second cycle carried out on Cobb 500. The average body weight of chickens at the end of the first cycle in control group was 1376.80 g while the average body weight of chickens at the end of the first cycle in trial group was 1767.2 g. The differences between these two groups were highly significant (P<0.05). The average body weight of chickens at the end of the second cycle in control group was 1589.6 g while the average body weight of chickens at the end of the second cycle in trial group was 1567.2 g. The difference between these two groups was not significant (P>0.05).
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