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. 2019 Dec 6;99(3):1409–1420. doi: 10.1016/j.psj.2019.10.053

Table 5.

Feed conversion ratio of broiler chickens fed diets containing varying concentrations of lysine from hatch to 8 WOA.

Weeks of age
Sex Lysine%
1
2
3
4
5
6
7
8
Average
Starter Grower g feed/g body weight gain/week
M 0.85 0.75 1.45a 2.13a 1.74a 1.97a 1.94a 2.03a 2.40 2.20b 1.98a
1.14 1.00 1.39a 1.47b 1.51b 1.20c 1.84a 1.37c 2.26 2.74a 1.75b
1.42 125 1.15b 1.26b 1.41b 1.41b 1.58b 1.82b 2.31 2.19b 1.63b
SEM 0.05 0.09 0.07 0.07 0.08 0.07 0.13 0.12 0.09
F 0.85 0.75 1.42 1.85a 1.75a 1.81a 2.10a 2.05b 2.53b 2.5ab 2.00a
1.14 1.00 1.47 1.48b 1.42a 1.56b 1.84b 1.51c 3.40a 2.30b 1.87b
1.42 1.25 1.40 1.35b 1.46b 1.45b 1.86ab 2.56a 2.14c 2.73a 1.87b
SEM 0.06 0.07 0.07 0.06 0.09 0.12 0.09 0.11 0.08

a–cMeans within sex and column with no common superscripts differ significantly (P < 0.05).

Abbreviations: F, female; M, male; WOA, weeks of age.