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Table 1 Plasma oestrogen and testosterone levels (mean ± SD) before and after spaying/neutering

From: No up-regulation of the phosphatidylethanolamine N-methyltransferase pathway and choline production by sex hormones in cats

 

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

  1. a P < 0.001 male intact versus neutered
  2. b P < 0.041 female intact versus spayed