Attributes* |
Weight change |
Yolk sac |
Pro-ventriculus |
Gizzard |
Intestine |
Liver |
Pancreas |
6 hr post hatch |
Control |
6.41b |
6.61a |
0.90b |
5.49b |
2.46b |
2.99 |
0.22 |
6hr FD |
-0.74a |
8.22b |
0.77a |
3.56a |
1.56a |
2.54 |
0.16 |
SEm |
1.38 |
0.36 |
0.02 |
0.48 |
0.21 |
0.14 |
0.02 |
P-value |
0.001 |
0.007 |
0.005 |
0.032 |
0.011 |
0.105 |
0.115 |
12 hr post hatch |
Control |
5.67b |
6.73a |
0.82 |
6.52b |
1.88 |
2.67ab |
0.19 |
6hr FD+ 6hr feeding |
8.09c |
7.68b |
0.78 |
6.50b |
2.16 |
3.01b |
0.21 |
12 hr FD |
-1.14a |
8.79c |
0.8 |
4.74a |
1.78 |
2.54a |
0.18 |
SEm |
1.24 |
0.27 |
0.08 |
0.6 |
0.23 |
0.09 |
0.02 |
P-value |
0.001 |
0.001 |
0.933 |
0.011 |
0.093 |
0.053 |
0.865 |
24 hr post hatch |
Control |
9.75c |
5.83a |
0.84 |
6.69bc |
2.64b |
3.22 |
0.3 |
6hr FD+ 18hr feeding |
6.50b |
7. 78b |
0.86 |
7.36c |
2.92b |
3.5 |
0.35 |
12hr FD+ 12hr feeding |
8.63bc |
7.72b |
0.84 |
6.04b |
2.6b |
3.11 |
0.25 |
24 Hr FD |
-3.19a |
7.11b |
0.87 |
4.90a |
1.9a |
2.98 |
0.24 |
SEm |
1.39 |
0.24 |
0.02 |
0.27 |
0.13 |
0.1 |
0.02 |
P-value |
0.001 |
0.002 |
0.924 |
0.001 |
0.021 |
0.316 |
0.167 |
At 36 hr post hatch |
Control |
13.96c |
3.39a |
0.83 |
7.04b |
3.42c |
3.71b |
0.43 b |
6hr FD+ 30hr feeding |
21.46d |
4.30ab |
0.94 |
6.38b |
3.84c |
3.83b |
0.47 b |
12hr FD+ 24hr feeding |
19.08d |
4.02ab |
0.92 |
6.54b |
2.79b |
3.55b |
0.29a |
24 Hr FD+ 12hr feeding |
6.70b |
4.47b |
0.84 |
6.68b |
2.86b |
3. 87b |
0.18a |
36 Hr FD |
-6.64a |
4.92b |
0.85 |
4.26a |
1.96a |
3.02a |
0.23a |
SEm |
2.37 |
0.17 |
0.02 |
0.28 |
0.34 |
0.09 |
0.03 |
P-value |
0.001 |
0.039 |
0.330 |
0.001 |
0.001 |
0.013 |
0.001 |
|
*Values have been expressed as percentages of chick weight and analyzed by one-way ANOVA are the mean of four observations. a,b,c,d Means bearing different
superscripts in a row within a group differ significantly (P<0.05). |
Table 2: Mean weight gain/loss, yolk weight and intestinal organ weight of chicks subjected to 0, 6, 12, 24 and 36 hrs delay in post hatch feed placement. |