198 
Journal of Agricultural Research 
Vol. XXIX, No. 4 
Table III .—Frequency distribution of shape index and the relative mean indexes 
of eggs producing males and females, respectively 
Eggs producing— 
Length-breadth index 
Males 
Females 
Total 
63.00 to 63.99. 
64.00 to 64.99. 
65.00 to 65.99. 
66.00 to 66.99. 
67.00 to 67.99. 
68.00 to 68.99. 
69.00 to 69.99. 
70.00 to 70.99. 
71.00 to 71.99. 
72.00 to 72.99. 
73.00 to 73.99. 
74.00 to 74.99. 
75.00 to 75.99. 
76.00 to 76.99. 
77.00 to 77.99. 
78.00 to 78.99. 
79.00 to 79.99. 
80.00 to 80.99. 
81.00 to 81.99. 
82.00 to 82.99. 
83.00 to 83.99. 
84.00 to 84.99. 
1 
3 
5 
9 
16 
20 
31 
40 
49 
62 
70 
59 
57 
35 
29 
12 
7 
3 
3 
1 
1 
1 
2 
3 
3 
6 
5 
10 
10 
19 
16 
32 
22 
42 
25 
56 
37 
77 
53 
102 
53 
115 
66 
136 
56 
115 
51 
108 
38 
73 
16 
45 
12 
24 
5 
12 
4 
7 
0 
3 
3 
4 
Total. 
512 
478 
990 
Mean index_ 
Standard deviation_ 
Coefficient of variability 
75.17±0. 09 
3. 20±0. 06 
4. 26±0.09 
75. 09±0.10 
3. 28±0. 07 
4. 37±0. 09 
75.13±0. 07 
3. 24±0. 05 
4. 31±0.06 
Table IV .—Mean egg length-breadth index per bird for eggs producing males and 
females, respectively 
i 
Pullet No. j 
Eggs producing 
males 
Eggs producing 
females 
Difference 
Num¬ 
ber 
Mean length- 
breadth index 
Num¬ 
ber 
Mean length- 
breadth index 
1__ 
16 1 
75. 38±0. 56 
9 
73.83±0.62 
1. 55±0. 83 
2_ 
14 ! 
76. 47±0. 37 
14 
75. 74±0. 41 
0. 73±0. 55 
3_ 
is ; 
75. 22±0. 77 
16 
77. 59±0. 38 
2. 37±0.86 
4_ 
11 
73. 62±0. 54 
15 
71. 69±0. 60 
1. 93±0.81 
5_ 
13 ! 
77. 76±0. 41 
16 
77. 48±0. 27 
0. 28±0. 49 
6__ 
14 
I 76. 33±0. 32 
14 
77. 28±0. 40 
0.95±0. 51 
7_ 
17 
| 78. 79±0. 24 
13 
78.02±0. 36 
0. 77±0. 43 
8_ 
26 
81. 03±0. 28 
20 
80. 82±0. 22 
0. 21±0. 36 
9_ 
25 
74.03±0.19 
24 
74. 47±0. 27 
0. 43±0. 33 
10_ 
29 
76.15±0.16 
18 
77. 00±0.14 
0. 85±0. 21 
11_ 
17 
75.13±0. 31 
17 
74. 20±0. 24 
0.93±0. 39 
12___ 
36 
76. 59±0. 29 
35 
77.16±0.14 
0. 57±0. 32 
13___ 
19 
72. 25±0. 48 
16 
71. 94 ±0. 71 
0. 31±0.86 
14_ 
36 
76. 05±0. 22 
36 
75. 87±0.13 
0.18±0. 25 
15_ 
20 
72. 74±0. 26 
38 
73. 31±0.15 
0. 57±0. 30 
16_ 
14 
73. 42±0. 27 
15 
72. 67±0. 29 
0. 75±0. 40 
17__ 
18 
74.13±0. 23 
14 
73.13±0. 33 
1.00±0.40 
18_ 
32 
74. 51±0.14 
12 
74. 30±0. 41 
0. 21±0. 43 
19_ 
25 
75. 93±0. 20 
25 
77. 01±0. 26 
1. 08±0. 33 
20_ 
27 
69. 55±0.18 
26 
69. 64±0.15 
0.09±9. 23 
21_ 
35 
70. 94±0.12 
36 
70. 79±0.17 
0.15dtO. 21 
22_ 
8 
77. 92±0. 49 
11 
77. 20±0. 38 
0. 72±0. 62 
23_ 
27 
77. 33±0.19 
17 
76. 49±0. 31 
0.84±0.36 
24_ 
15 
74.46±0. 27 
21 
74. 01±0.16 
0.45±0.31 
Total_ 
512 
75.17±0.09 
478 
75.09±0.10 
0. 08 ±0.13 
