Post Natal Day 1 Post Natal Day 4 Post Natal Day 7 Post Natal Day 14 Post Natal Day 21
S.No. No. of pups alive Avg. pup wgt. Sex Ratio
M: F
No. of pups alive Avg. pup wgt. Sex Ratio
M: F
No. of pups alive Avg. pup wgt. Sex Ratio
M: F
No. of Pups Alive Avg. Pup Wgt. Sex Ratio
M: F
No. of Pups  Alive Avg. Pup Wgt. Sex Ratio M: F
1 4 1.52 2:2 4 2.35 2:2 4 3.50 2: 2 4 5.54 2;2 4 8.04 2;2
2 5 1.91 2:3 5 2.30 2:3 5 3.19 2:3 5 4.66 2:3 5 6.52 2:3
3 6 1.44 3:3 5 2.18 3:2 5 2.41 3:2 5 3.37 3:2 5 5.03 3:2
4 5 1.18 5:0 5 2.19 5:0 5 3.22 5:0 5 5.97 5:0 5 7.99 5:0
5 8 1.12 2:6 6 1.34 2:4 5 2.68 1:4 5 4.12 1:4 5 6.06 1:4
Average 5.6
+0.40
1.43
+0.07
50
50
5
+0.30
2.07
+0.11
52.8
47.1
4.80
+0.23
3.0
+0.14
50.98
49.01
4.80
+0.23
4.53
+0.36
50.98
49.01
4.80
+0.23
6.73
+0.45
50.98
49.01
Student’s t test: *Significant difference (p<0.05)** highly significant difference (p<0.01)
Table 2a: Neonatal observation of mice born to mothers given tap water –control.