Table 4

Variables measured in response to a second administration of hormones 24 to 48 hrs after the first set of treatments include the number and percentage of spawning toads, the number of eggs, percentage fertilization, number of neurulas, percentage neurulation, and total number of neurulas. Data in the table are expressed as Means ± SE and ranges of spawning toads.

Treatment
Treatment
% Spawn
No. oocytes
% cleavage
Neurulas
% neurulation
Total neurulas
8
500 IU hCG + 4 μg LHRHa
0/7 0%
NA
NA
NA
NA
NA
9
60 μg LHRHa
0/7 0%
NA
NA
NA
NA
NA
10
60 μg LHRHa
0/7 0%
NA
NA
NA
NA
NA
11
60 μg LHRHa
1/7 14%
200
87%
0
0%
0
12
500 IU hCG
3/7 42%
68 ± 50 (13–110)
0%
0
0%
0
13
500 IU hCG
2/7 29%
160 ± 28 (60–100)
0%
0
0%
0
14*
60 μg LHRHa
0/5 0%
NA
NA
NA
NA
NA

Browne et al. Reproductive Biology and Endocrinology 2006 4:3   doi:10.1186/1477-7827-4-3