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Table 3 Deviating rumen fluid parameter details from cows classified as having indigestion (I), ketosis and indigestion (K+I), liver disease and indigestion but not ketosis (L-K), see Fig. 1. Percentage distribution of gradings for each parameter.

From: Field Study of Dairy Cows with Reduced Appetite in Early Lactation: Clinical Examinations, Blood and Rumen Fluid Analyses

Rumen fluid parameter

I

K+I

L-K

n

26

29

10

Protozoan activity

   

   Good

50

59

60

   Reduced

33

38

40

   None

15

3

0

Large protozoa:

   

   Many

21

42

40

   Few

42

50

60

   None

37

8

0

Small protozoa:

   

   Many

26

37

20

   Few

53

46

70

   None

21

17

10

Methylene blue reduction time:

   

   <3 min

85

61

60

   <6 min

15

28

40

   >6 min

0

11

0