The effect of the humic substances, garlic (Allium sativum L.), wormwood (Artemisia absinthium) and walnut (Juglans regia) on growth parameters and mortality of broiler chickens

Veronika Pistová, Henrieta Arpášová, Cyril Hrnčár


The aim of this experiment was to determine the influence of humic substances, garlic (Allium sativum L.), wormwood (Artemisia absinthium) and walnut (Juglans regia) on growth performance and mortality of broiler chickens. A total of 60 Ross 308 broiler chickens were divided into 3 groups (n=20). The control group of chickens was fed with complete feed mixtures without any additives. Chickens in the first experimental group E1 were fed a diet containing 1.5% of humic substances, 0.4% of garlic powder and 0.1% of wormwood. Chickens in the second experimental group E2 were fed a diet containing 1.5% of humic substances, 0.4% of garlic powder and 0.1% of walnut. The body weight, feed intake, feed conversion and total mortality were recorded in 42 day of fattening. At the end of the experiment was average body weight significantly higher (P≤0.01) in the first experimental group compared to the control group (values in the order of the groups: 1801.04±166.25; 1928.26±226.37 and 1850.24 g±SD). The feed intake was in the control group 3.59 kg per chicken, in the first experimental group E1 3.58 kg per chicken and in the second experimental group E2 3.45 kg per chicken. Feed conversion was in control group 1.95 kg, in the first experimental group E1 1.87 kg and in the second experimental group E2 1.84 kg with no significant different (P≥0.05) compared to the control group. Total mortality in 42 day was positive affected in the second experimental group, but with no significant different (P≥0.05) compared to the control group.


broiler chickens, humic substances, garlic, wormwood, walnut, growth, mortality.

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