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Table 5 An overview of the research material

From: Parity-dependent association between TNF-α and LTF gene polymorphisms and clinical mastitis in dairy cattle

Inter-calving period/lactation*

No. of cows in herd

% of cows with mastitis**

Mean daily milk yield

Mean lnSCC for herd

I

813

29.89

30.52

4.89

II

918

27.67

34.25

5.14

III

868

25.81

35.38

5.47

IV

613

29.36

34.89

5.75

V

395

35.70

33.60

6.00

VI

243

34.98

32.39

6.24

Total

990

51.41

31.82

5.58

  1. *The percentage of cows with mastitis was calculated for the whole inter-calving period while the mean daily milk yield and SCC – for the lactation period.
  2. **Cows affected by mastitis at least once in a given inter-calving period.
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BMC Veterinary Research

ISSN: 1746-6148

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