Progesterone And Follicular Cysts - DeLaval Herd Navigator precision analytics 100 Instruction Book

DeLaval Herd Navigator™ precision analytics 100
General description
(A)
30
25
20
15
10
5
30
-10 -5
Fig. 13: Progesterone level during a follicular cyst.
A: Progesterone (ng/ml)
B: Days from previous heat
© DeLaval 2021.
2021-05-10, Version 3

4.7 Progesterone and follicular cysts

0 5 10
C:
D:
25 (44)
15 20
Heat alarm
Follicular cyst alarm
Follicular cysts are a common reproductive dis-
order in dairy cows. Typical clinical signs are pro-
longed and intermittent oestrus behaviour. It
occurs when large ovarian follicles fail to ovulate.
As a consequence, progesterone levels will not
rise as expected.
(B)
25
(C)
(D)
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