Skip to main content
. 2022 Aug 27;101(11):102148. doi: 10.1016/j.psj.2022.102148

Table 3.

Means of average daily feed intake (ADFI), body weight (BW), body weight gain (BWG) and feed conversion ratio (FCR) of broilers fed diets with different SID Arg:Lys ratios and control diets in trials 1 and 2.

Traits SID Arg: Lys ratio (%)
 P value
 SEM
94 100 106 112 118 124 Control ANOVA Lin Quad
Trial 1–From 01 to 21 days old
ADFI
(kg)		 1.173 1.154 1.147 1.175 1.160 1.176 1.183 0.394 - - 0.006
BW1
(kg)		 0.944* 0.955* 0.959* 0.982 0.983 0.999 1.001 <0.001 <0.001 0.890 0.004
BGW2
(kg)		 0.907* 0.918* 0.922* 0.945 0.946 0.961 0.963 <0.001 <0.001 0.883 0.004
FCR3
(kg/kg)		 1.294* 1.257 1.246 1.243 1.227 1.239 1.228 0.038 0.038 0.096 0.006
Trial 2–From 22 to 44 days old
ADFI
(kg)		 3.994 4.045 4.103 4.058 4.033 4.061 4.019 0.702 - - 0.016
BW4
(kg)		 3.263* 3.305* 3.411 3.427 3.422 3.466 3.477 <0.001 <0.001 0.146 0.015
BGW5
(kg)		 2.307* 2.347* 2.451 2.468 2.464 2.507 2.518 <0.001 <0.001 0.157 0.015
FCR6
(kg/kg)		 1.732* 1.724* 1.674* 1.645 1.637 1.623 1.598 <0.001 <0.001 0.328 0.008
⁎

Means followed by an asterisk on the same line differ from the control group by Dunnett's test (P ≤ 0.05).

1

Y = 0.7727857 + 0.0018119X; R² = 0.96.

2

Y = 0.7354857 + 0.0018119X; R² = 0.96.

3

Y = 1.4425562 – 0.0017557X; R² = 0.72.

4

Y = 2.6661500 + 0.0065710X; R² = 0.86.

5

Y = 1.7135690 + 0.0065160X; R² = 0.87.

6

Y = 2.1047260 – 0.0039650X; R² = 0.93.

Y is the response variable, and X is the SID Arg: Lys ratio.

SEM = Standard Error of the Mean.