Impact of Botanical Extracts on Weight Gain and Abdominal Fat Content in Broiler Chickens

Nyembezi Mgocheki


The aim of this study was to examine the effects of four levels of a botanical extract, PhytExponent (PE), on growth performance of broiler chickens and accumulation of abdominal fat. A total of 125 Ross day-old broiler chickens were randomly divided into 5 treatments, with 5 birds in each. Treatments included: control (basal diet and water without PE 0.005, 0.001, 0.015 and .002% PE in drinking water. PE was given twice a week in the first three weeks only. Water and feed were provided ad libitum throughout the study. In this experiment, broilers, which had 0.02% PE had highest, body weight, but control group had lowest body weight (P < 0.001). Birds that received 0.005%PE had minimum body weight in first week (P< 0.05). Feed intake between treatments was similar and not significantly different between treatments throughout the 42-day period. At age 42, the abdominal fat content was significantly high in the control group (and low in the treatments (P<0.001). Mortality occurred only in the control treatment only (P<0.0001). Total abdominal body fat was inversely proportional to the concentration of PE. The present results indicated that administration of medicinal plant extracts in chicken improves growth performance, FCR, water intake, reduced mortality and abdominal fat broiler chickens.


mortality; immune booster; tolerance; poultry.

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