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Nguyen Thi Kim Kang et al., 2004. Livest. Res. Rural Dev., 16 (8): 54

Document reference 
Nguyen Thi Kim Khang ; Ogle, B., 2004. Effects of dietary protein level and a duckweed supplement on the growth rate of local breed chicks. Livest. Res. Rural Dev., 16 (8): 54

From a total of 402 local breed chicks (Tau Vang) at 1 day of age, 360 were allocated in a completely randomized design to 6 treatments, with 3 levels of crude protein (% in DM): 18 (CP18), 20 (CP20) and 22 (CP22), with or without fresh duckweed (DW) ( Lemna minor) ad libitum. Total daily dry matter intakes were slightly higher on the CP20 and CP22 diets (12.0 g and 11.7 g, respectively) compared with the CP18 diet (11.1 g) and when DW was supplied (13.2 g compared to 11.5 g), but between treatment differences were not significant. CP from duckweed decreased with increasing levels of protein in the diets and supplied 14.2, 12.0 and 10.3% of the total CP intake in the CP18, CP20 and CP22 dietary treatments, respectively. Chicks fed DW had somewhat higher weight gains (8.3 g/day) compared with chicks fed the diets without DW (7.8 g/day) but there were no differences between diets with different CP levels. Wing and tail feathers appeared first in chicks on the CP20 and CP22 diets and tended to develop more rapidly on the diets with duckweed.

Citation key 
Nguyen Thi Kim Kang et al., 2004