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Table 1 Effect (mean ± SEM) of pre-treatment with cetrorelix on ovulation and CL development in llamas treated with GnRH or purified llama OIF (day 0 = day of treatment)

From: Cetrorelix suppresses the preovulatory LH surge and ovulation induced by ovulation-inducing factor (OIF) present in llama seminal plasma

 

cetrorelix

placebo

 

GnRH

Llama OIF

GnRH

Llama OIF

 

(n = 7)

(n = 7)

(n = 7)

(n = 7)

Follicle diameter at treatment (mm)

11.4 ± 0.4

11.2 ± 0.7

10.7 ± 0.4

10.9 ± 0.5

Ovulation rate (%)

0/7a (0%)

0/7a (0%)

6/7b (86%)

7/7b (100%)

1st day CL detected *

-------

-------

2.3 ± 0.3

2.4 ± 0.4

CL diameter at day 8 (mm) *

-------

-------

13.7 ± 0.5

13.2 ± 0.4

Maximum CL diameter *

-------

-------

13.7 ± 0.5

13.2 ± 0.4

Day of maximum CL diameter *

-------

-------

8.3 ± 0.6

8.4 ± 0.4

Day of onset of CL regression *

-------

-------

10.3 ± 0.6

10.4 ± 0.4

  1. a, b Proportions with different superscripts are different (P < 0.001)
  2. * CL data was collected in 6 and 7 ovulated females in the placebo+GnRH and placebo+OIF treated group respectively.