TABLE 2. Influence of 60-Hz vertical electric field, 100 kV/m, on development and variance in development in mice. The average value ± SD (in grams) are listed at the indicated number of days after birth. Values of mean weight and SD that differed significantly from the corresponding controls are indicated by an asterisk. N is given in parentheses. See R.D. Phillips, L.B. Anderson and W.T. Kaune: Biological Effects of High-Strength Electric Fields on Small Laboratory Animals, Richland, WA, Pacific Northwest Laboratories. DOE/TIC-10084, Contract E4-76-C-06-1830, 1979.
WEIGHT (GRAMS) | ||||||||||||
Day 1 |
Day 14 |
Day 28 |
Day 35 |
Day 70 | ||||||||
FIRST GENERATION |
Male |
EMF |
1.9±0.2 |
7.4±0.9 |
20.3±1.8 |
27.3±1.4 |
37.0±2.1 | |||||
(17) |
(17) |
(17) |
(17) |
(17) | ||||||||
Control |
1.9±0.2 |
7.6±0.7 |
20.4±2.4 |
27.5±1.7 |
36.7±2.1 | |||||||
(28) |
(28) |
(28) |
(28) |
(28) | ||||||||
Female |
EMF |
1.8±0.2 |
7.3±*1.0 |
*16.5±2.1 |
*22.8±*1.5 |
29.5±*2.5 | ||||||
(23) |
(23) |
(23) |
(23) |
(23) | ||||||||
Control |
1.9±0.2 |
7.6±0.6 |
18.8±1.8 |
23.7±1.0 |
29.0±1.6 | |||||||
(27) |
(27) |
(25) |
(25) |
(24) | ||||||||
WEIGHT (GRAMS) | ||||||||||||
Day 1 |
Day 14 |
Day 28 |
Day 35 |
Day 70 | ||||||||
SECOND GENERATION |
Male |
EMF |
2.0±*0.2 |
7.2±1.2 |
19.3±*3.7 |
26.2±2.8 |
*37.0±2.3 | |||||
(28) |
(28) |
(28) |
(28) |
(28) | ||||||||
Control |
2.1±0.2 |
7.1±0.6 |
19.5±1.9 |
26.4±2.0 |
35.4±2.4 | |||||||
(23) |
(18) |
(21) |
(21) |
(20) | ||||||||
Female |
EMF |
*1.9±*0.2 |
7.1±1.1 |
18.1±2.3 |
23.2±1.9 |
29.4±*1.3 | ||||||
(36) |
(36) |
(36) |
(36) |
(36) | ||||||||
Control |
2.0±0.1 |
7.5±0.9 |
17.9±1.7 |
23.2±1.9 |
29.3±1.9 | |||||||
(30) |
(19) |
(29) |
(29) |
(28) | ||||||||
WEIGHT (GRAMS) | ||||||||||||
Day 1 |
Day 14 |
Day 28 |
Day 35 |
Day 70 | ||||||||
THIRD GENERATION |
Male |
EMF |
2.0±*0.1 |
*8.0±0.7 |
19.8±*3.2 |
26.8±*2.6 |
*38.9±2.3 | |||||
(35) |
(35) |
(34) |
(34) |
(33) | ||||||||
Control |
2.0±0.2 |
7.5±0.6 |
19.6±1.9 |
26.5±1.6 |
36.4±2.3 | |||||||
(30) |
(30) |
(30) |
(30) |
(30) | ||||||||
Female |
EMF |
*2.0±*0.1 |
*7.8±0.6 |
18.0±*2.8 |
*22.3±*1.9 |
*29.9±1.8 | ||||||
(29) |
(29) |
(27) |
(27) |
(27) | ||||||||
Control |
1.8±0.2 |
7.3±0.5 |
18.0±1.5 |
23.3±1.3 |
28.5±1.8 | |||||||
(34) |
(34) |
(34) |
(34) |
(34) | ||||||||
*P < 0.05