The Effect of Adding Eucalyptus camaldulensis Leaves Phenolic Extract on Some Blood Biochemical Parameters and Histological Characteristics of Broiler Chickens

Authors

  • Duha S. A. Al-Ashoor and Khalid C. K. Al-Salhie College of Agriculture – University of Basrah – Iraq

Abstract

The current study aimed to determine the effect of adding different levels of Eucalyptus
camaldulensis leaves phenolic extract to drinking water on some blood biochemical parameters and
histological characteristics of broiler chickens. A total of 144 unsexed birds, one day old, 42 g weight
were used in this study. The birds were distributed into four experimental treatments, with three
replicates (12 birds each replicate). The first treatment was control without addition, the second, third
and fourth treatments were added 50, 75 and 100 mg/liter of eucalyptus leaves phenolic extract to
drinking water respectively. Aspartate aminotransferase (AST) and Alanine Aminotransferase (ALT)
activities were significantly (P≤0.05) decreased in the third and fourth treatments compared to control
treatment. A total protein and globulin concentrations were significantly (P≤0.05) increased in the
fourth treatment compared to the other treatments. The results showed that there were no significant
differences in the albumin concentration among the different treatments. Cholesterol was
significantly (P≤0.05) decreased in the second, third and fourth treatments compared to control.
Triglycerides and Very low density lipoprotein (VLDL) were significantly (P≤0.05) decreased in the
second and fourth treatments compared to other treatments. High density lipoprotein (HDL) was
significantly (P≤0.05) increased in the third and fourth treatments compared to other treatments. On
the other hands, Low density lipoprotein (LDL) was significantly (P≤0.05) decreased in the third
treatment compared to the second and control treatments. The results showed that there were no
differences, changes, and inflammation in the liver tissue of broiler chickens. It can be concluded that
eucalyptus leaves phenolic extract was improved blood biochemical parameters without negatively
affecting on liver tissue of broiler chickens.

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Published

2024-11-26