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Table 2 Genotype frequencies of CNVR_221 in dead calves with infectious disease and healthy cows

From: A 44-kb deleted-type copy number variation is associated with decreasing complement component activity and calf mortality in Japanese Black cattle

 

Dead calves (N = 246)a

Cows (N = 287)b

Genotype

No.

Genotype freq

Exp No.

Exp freq

No.

Genotype freq

Exp No.

Exp freq

wild/wild

112

0.46

104.1

0.42

148

0.52

148.6

0.52

wild/CNVR_221

96

0.39

111.9

0.45

117

0.41

115.9

0.40

CNVR_221/CNVR_221

38

0.15

30.1

0.12

22

0.08

22.6

0.08

 

CNVR_221 allele freq = 0.35

CNVR_221 allele freq = 0.28

 
  1. aOf the dead calves, 191 had diarrhea and 55 pneumonia (Additional file 2: Table S5). bHealthy cows had given birth at least once. The association between CNVR_221 and health status was evaluated using the two-sided Fisher's exact test (P = 0.016)
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BMC Genomics

ISSN: 1471-2164

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