400
320
-4
-3
-2
-1
ESTROUS
400
200
-4
-3
-2
-1
ESTROUS
remember! mucus resistance values during and outside the estrous period as shown on the figures
are only examples. It should be emphasized that in practice the values vary depending on an
individual animal.
18
Ovulation
0
+1
+2
+3
Day of the cycle
Ovulation
0
+1
+2
+3
Day of the cycle
450
350
250
-4
-3
-2
-1
ESTROUS
600
400
-4
-3
-2
-1
ESTROUS
Ovulation
0
+1
+2
+3
Day of the cycle
Ovulation
0
+1
+2
+3
Day of the cycle