Broiler chickens fed on high energy diets gained
more and approached greater body weight than
those birds received moderate energy diets at
day 28 and 42 of age (Table 2). Supplemented
diets with Bio choline, and Lecithin extract,
irrespective of energy level, improved body
weight of the birds compared to the control diet
at day 42 of age (Table 2). The inclusion of Bio
choline and Lecithin extract significantly
increased ADG in overall (1 to 42 d)
experimental period. Lipotropic agents were
more effective in increasing growth rate of
broilers fed moderate energy level compared to
those fed high energy level.
Supplementation of Bio choline, choline
chloride and Lecithin extract to moderate and
high energy diets caused no significant
difference in ADFI when compared to their
corresponding control diets (Table 3). However,
ADFI increased (P < 0.05) in the birds fed high
energy diets when compared to moderate
energy diets during the grower (15 to 42 d) and
overall (1 to 42 d) periods. FCR was lower in the
birds fed Bio choline and Lecithin extract than
the control birds. Dietary energy level had no
significant effect on FCR (Table 3).
Performance efficiency index was improved
in the birds fed diets supplemented by Bio
choline compared to those fed on control diet
(Figure 1). The addition of Lipotropic
compounds to the high energy diet increased
PEI, but this effect was not observed with
moderate energy diet.