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Table 4 Number of detected QTLs on each chromosome for some important traits in cattle breedsa

From: Comparison of linkage disequilibrium levels in Iranian indigenous cattle using whole genome SNPs data

Traits Chromosomes
2 5 8 11 12 14 18 19 22 23 25 26 27 28 29
Average daily gain 0 1 1 2 0 6 0 0 3 0 0 2 0 0 4
Meat percentage 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0
Body weight (mature) 2 2 1 2 4 1 3 3 1 2 0 2 2 1 2
Height (mature) 0 3 5 0 3 3 0 0 1 1 1 3 1 0 1
Carcass weight 7 4 4 3 2 9 0 0 2 3 2 2 3 2 5
Calving ease 2 2 5 1 3 3 8 5 3 4 7 4 1 2 0
Calf size 0 2 0 0 3 0 6 3 0 0 6 2 0 0 2
Clinical mastitis 0 8 0 4 0 1 0 1 0 0 0 1 0 0 0
Somatic cell score 2 5 2 5 3 7 8 5 2 2 2 1 3 1 1
Heat tolerance 0 0 1 0 3 0 0 0 1 1 1 1 1 0 0
Dairy capacity 0 0 0 1 1 1 0 0 0 0 1 0 0 0 0
Udder attachment 0 0 0 0 0 0 2 4 1 4 0 3 0 1 0
Dry matter intake 1 1 0 1 0 0 1 0 0 2 0 0 0 0 0
Insemination per conception 0 4 0 0 0 3 0 1 0 0 1 0 0 0 0
Milk fat traits 2 7 0 2 5 8 5 4 2 1 1 10 0 0 2
Milk protein traits 2 11 7 6 2 14 7 4 4 7 7 6 3 6 0
Milk yield 3 7 1 4 4 8 4 1 1 5 1 4 2 3 0
Tick resistance 1 2 0 1 0 1 0 0 0 2 0 0 1 0 0
Immunoglobuin G level 1 0 4 1 0 3 3 0 0 2 0 0 0 1 0
Total detected QTLs 149 175 88 110 93 163 124 168 87 84 84 119 74 57 97
  1. aOnly significant QTLs were reported