World Journal of
Pharmaceutical and Life Sciences

RESPONSE OF BROILER CHICKS TO GRADED LEVELS OF THREE MIXED ESSENTIAL OILS

Fatima Mustafa Mohammed Elsinnary, Mukhtar Ahmed Mukhtar* and Safeia Alzubair

ABSTRACT

This experiment was conducted to evaluate the response of broiler chicks to diets supplemented with graded levels of three mixed essential oils (MEO) in a combination of them, extracted from eucalyptus leaves, clove fruits and basil plants (Eucalyptus Essential Oil, Clove Essential Oil and Basil Essential Oil) (1: 1: 1) as natural feed additives. A total of 96 one day old un-sexed (Cobb) broiler chicks were subjected to 35 days experimental period. Chicks randomly divided into four groups of 24 chicks per each with three replicates for each group. Four experimental diets were formulated (A, B, C and D) as follows, diet A as control, diet B, C and D was control diet supplemented with mixed essential oils (MEO) at 200, 400 and 600 mg/kg respectively. The experiment parameters covered carcass and non- carcass values, serum constituents, enzyme activities and economical appraisal. The results indicated that there were no significant differences among all tested groups in internal organs, commercial cuts, their separable tissues and the subjective and objective of meat quality parameters. The results of serum metabolites showed that inclusion of (MEO) at graded levels significantly increased the glucose level, whereas protein level less than control, also for cholesterol. Urea level more high in control and uric acid less than in inclusion of (MEO),also the results of enzymes activities declared that inclusion of (MEO) at graded levels significantly reduced the levels of AST and ALP enzymes in the blood, the result of theeconomical evaluation of (MEO) in broiler diets showed economicefficiency. That200mg/kg (MEO) recorded (1.202)the highest profitability ratio than all other groups.

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