EFFECT OF L-CARNITINE AND α-LIPOC ACID ON PRODUCTIVE PERFORMANCE AND PHYSIOLOGICAL STATUS OF BROILERS

Document Type : Original research paper

Author

Animal Production Dept., Fac. of Agric., Tanta Univ., Egypt

Abstract

The current study was conducted to evaluate the effect of l-carnitine and alpha lipoic acid as feed additives on the production and carcass characteristics of broilers on 180 one-day-old commercial broiler chicks. The broiler chicks were randomly distributed into four equal groups, each with 3 replicates, each with 15 chicks raised on the ground. An experimental diet containing 3000 kcal as representative energy and 23 crude proteins was used during the starter period from one day to 21 days of age, while 3100 kcal as representative energy and 21 crude proteins were used during the starter period until 35 days of age. One of the experimental groups was used as a control without any addition, and the other three groups were fed the supplemented diet with 25 mg l- carnitine or 75 mg alpha-lipoic and 25mg l- carnitine + 75 mg alpha-lipoic acid /kg diet respectively. The obtained results showed that, body weight and feed conversion ratio recorded a significant improvement of birds fed 25mg l-carnitine/kg diet followed by those fed the mix of l-carnitine and alpha-lipoic acid containing diet, then 75 mg alpha-lipoic acid / kg diet. At the end of the experiment period, there was no significant difference in the weight of the carcass and total edible parts in the birds that fed the additives containing diet and the control. However, it was explained that the weight of abdominal fat was significantly (p≤0.05) improved (decreased) when using feed additives compared to the control.

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