Effect of Dietary Supplementation of Tulsi leaf Powder (Ocimum Sanctum) on Egg Yolk Cholesterol and Serum lipid Profile in Commerical Layers
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Date
2006
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MAFSU, Nagpur
Abstract
An experiment was conducted to study the effect of dietary
supplementation of Tulsi (Ocimum sanctum) leaf powder on egg yolk cholesterol
and serum lipid profile of White Leghorn (WLH) hens (BV-300) of 24 weeks of
age up to the age of 32 weeks. Forty-five pullets at 50% egg production were randomly distributed into
three experimental groups of 15 pullets in each group in such a way that average
body weight of pullets in each treatment group was nearly similar"
The control (Ts) group was fed with standard layers diet (ME = 27OO Kcal,
CP=17o/o) and the groups Tr and T2 were fed standard layer diet with Tulsi
(O. sanctum) leaves at the rate of 0.5% and 1%, respectively. All the diets were
insonitrogenous and isocaloric. Standard managemental practices were followed.
The observations were recorded for body weight, egg production, egg
weight, feed consumption, feed efficiency, egg yolk cholesterol and serum lipid
profile.
Results of experiment indicated that dietary supplementation of Tulsi
(O. sanctum) did not exert any effect on body weight, egg production, egg weight,
feed consumption and feed efficiency.
Supplementation of Tulsi (O. sanctum) at the rate of 1o/o of the diet
resulted into significant reduction (P<0.01) in egg yolk cholesterol from 45th day
onwards in group T2.
The average serum total cholesterol was reduced significantly (P<0.05)
from 45th day onwards in group T2 supplemented with Tulsi (O. sanctum) at the
rate of 1o/o of the diet.
The average serum HDL cholesterol was increased significantly (P<0.01)
on 60th day in group T2 supplemented with Tulsi (O. sanctum) at the rate of 1% of
the diet. The average serum triglycerides were numerically reduced in group T2
followed by group T1 supplemented with Tulsi (O. sanctum) at the rate of 1o/o atld
0.5% of the diet, respectively"
The average serum LDL cholesterol was reduced significantly (P<0.01) on
60th day in group T2 followed by group T1 supplemented with Tulsi (Ocimum
sanctum)at the rate of 1o/o andO.S% of the diet, respectively.
From the study, it was concluded that long term supplementation of Tulsi
(O. sanctum) upto 8 weeks in laying hens diet at the rate of 1o/o of the diet might
be helpful to lower egg and blood cholesterol.
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