Figure 8

Litter size (A), litter mass (B), mean pup mass (C) and body temperature (D) in lactating Swiss mice that were consecutively stopped from suckling pups in an interval of 90 min on day 1 till 17. *Difference among the three groups were significant (P < 0.05), **P < 0.01. Data are means ± s.e.m. The three groups were defined as that in Fig. 5.