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Table 1 Genetic correlations between various health traits and 305-day milk yield in dairy cattle

From: Genetics of animal health and disease in cattle

SCC1 Mastitis Lameness Milk Fever Cystic ovaries Metritis Ketosis RFM2 DA3 Country Reference
0.06 to 0.82          Multiple [9]4
-0.97 to 0.48          Multiple [9]5
  0.21 (0.06) 0.29 (0.11) 0.19 (0.06)       UK [11]
  0.09 0.02   0.10 -0.05 0.12    US [12]6
  0.15 0.24   0.23 0.02   -0.28   Canada [14]
    0.27 (0.17)     0.26 (0.23)   US [27]
  0.37    -0.14      Canada [28]
   0.277 -0.67 -0.06   0.77   -0.04 Canada [28]
  0.35 (0.10)   0.27 (0.12) 0.70 (0.15)      UK [29]
     0.34 (0.11)      Netherlands [32]
     0.42 (0.08) 0.68 (0.23)     Finland [33]
0.10 (0.08) 0.46 (0.09)         Finland [56]
-0.11 to 0.00 (0.10 to 0.11) 0.35 to 0.61 (0.10 to 0.11)         Finland [56]
0.15 (0.06) 0.45 (0.09)         France [57]
0.198 (0.110)   0.056 to 0.34 (0.12 to 0.15)7        Germany [58]
  0.51      0.65    Norway [59]
  0.29 (0.08)         Germany [60]
    -0.49       Norway [61]
  1. 1Somatic cell count; 2Retained foetal membranes; 2Displaced abomasum; 3Based on nadir calcium levels around parturition; 4Based on a review of 7 scientific papers; 5Based on a review of 9 scientific papers; 6Estimates based on product moment correlations between estimated breeding values; 7Lameness based on claw and hoof disorders or culling for leg problems;