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Plasma oestrogen and testosterone levels (mean ± SD) before and after spaying/neutering
| Group 1 (male intact ) (n = 6) | Group 2 (male neutered) (n = 6) | Group 3 (female intact) (n = 6) | Group 4 (female spayed) (n = 6) | |
|---|---|---|---|---|
| Testosteronea (pmol/L) | 824.3 ± 929.4 | 36.6 ± 17.0 | ||
| Oestrogenb (pmol/L) | 9.6 ± 6.4 | 3.0 ± 1.0 |
a P < 0.001 male intact versus neutered
b P < 0.041 female intact versus spayed
