Table 3.
QTL regions associated with feed efficiency traits in Nelore cattle
| Phenotype | SNP window [start and end SNP] | Number SNP in window | % Variance explained by SNP window | Chr | Map position [UMD 3.1 bovine assembly] | Functional candidate genes |
|---|---|---|---|---|---|---|
| ADG | rs133645581-rs137479730 | 231 | 4.94 | 9 | 22019753… 22993318 | - |
| rs134217291- rs43586239 | 245 | 2.91 | 1 | 156005880…156999077 | - | |
| rs134861070-rs133661192 | 176 | 2.33 | 16 | 31007509… 31998663 | - | |
| rs109785180- rs42314597 | 181 | 1.62 | 7 | 28006905… 28999205 | MARCH3, ALDH7A1 | |
| rs110427506-rs109577271 | 215 | 1.31 | 3 | 8007708… 8998553 | APOA2,, USP21, UFC1 | |
| rs135933205-rs136131764 | 270 | 1.01 | 14 | 6007610… 6998560 | - | |
| DMI | rs133031353-rs42739324 | 237 | 3.76 | 24 | 32007830…32998471 | HRH4, ZNF521 |
| rs134105133-rs133615999 | 161 | 2.00 | 13 | 8009711…8998026 | - | |
| rs133460769-rs109902312 | 255 | 1.29 | 9 | 8000493…8996276 | - | |
| FCR | rs110424374-rs133308150 | 73 | 6.06 | 12 | 27042151…27967155 | - |
| rs41942246-rs134122046 | 191 | 5.99 | 20 | 36002437…36994188 | GDNF | |
| rs42594525-rs109404921 | 182 | 1.52 | 15 | 58000208…58999275 | LIN7C | |
| rs109105703 -rs136356118 | 189 | 1.40 | 18 | 15002281…15989210 | - | |
| FE | rs133645581-rs137479730 | 231 | 2.58 | 9 | 22019753…22993318 | - |
| rs134914044-rs42277860 | 203 | 2.30 | 1 | 21002744…21985704 | - | |
| rs136028559-rs110570158 | 250 | 1.04 | 14 | 73002666…73999191 | - | |
| rs109171156-rs42987702 | 255 | 1.03 | 2 | 58005318…58996319 | - | |
| RFI | rs132846819-rs136767848 | 217 | 1.50 | 8 | 43001055…43994362 | |
| rs109535395-rs134508640 | 50 | 1.42 | 18 | 14008775… 14999189 | DEPP1, TUBB3 | |
| rs109365529-rs132654030 | 186 | 1.12 | 11 | 93000777… 93986308 | PTGS1 | |
| rs136295413-rs41980878 | 260 | 1.12 | 21 | 35004352… 35999673 | - | |
| ME | rs110886051-rs136158385 | 132 | 2.23 | 9 | 85000924…85992426 | - |
| rs135793109-rs134017120 | 244 | 1.48 | 14 | 83000515…83999590 | - | |
| rs132642498-rs42290512 | 195 | 1.28 | 20 | 42002534…42999156 | - | |
| rs136695261-rs134921622 | 265 | 1.24 | 1 | 155006277…155998842 | DPH3 | |
| rs41681891-rs111007160 | 315 | 1.22 | 13 | 19000011…19998017 | - | |
| rs134217291-rs43586239 | 245 | 1.11 | 1 | 156005880…156999077 | - | |
| EG | rs135733781-rs136250718 | 170 | 3.42 | 10 | 82000451…82991463 | - |
| rs41681891-rs111007160 | 315 | 2.01 | 13 | 19000011…19998017 | - | |
| rs135553767-rs133216097 | 265 | 1.73 | 20 | 58002823…58996938 | - | |
| rs132642498-rs42290512 | 195 | 1.39 | 20 | 42002534…42999156 | - | |
| rs134907990-rs135714341 | 143 | 1.14 | 28 | 29001640…29996795 | CAMK2G | |
| PEG | rs135793109- rs134017120 | 244 | 2.25 | 14 | 83000515…83999590 | - |
| rs136639955- rs109263205 | 208 | 1.63 | 10 | 27001939…27998826 | - | |
| rs41681891 -rs111007160 | 315 | 1.30 | 13 | 19000011…19998017 | - | |
| rs42442541-rs42102604 | 324 | 1.29 | 26 | 46000238…46999583 | ADAM12 | |
| rs137164093 -rs137788588 | 158 | 1.10 | 3 | 55053110…55996246 | - | |
| rs43109937-rs135732317 | 102 | 1.08 | 1 | 18002981…18998146 | CXADR | |
| RGR | rs110498934…rs109401708 | 89 | 9.07 | 2 | 63002463… 63957289 | - |
| rs135507221…rs136312022 | 170 | 1.72 | 12 | 64002872… 64983441 | - | |
| rs41576182… rs137330342 | 227 | 1.23 | 12 | 63000336… 63998631 | - | |
| rs137740719 …rs132674185 | 236 | 1 | 9 | 75004071… 75998811 | MAP7, PEX7 |
ADG: average daily gain [kg/d], DMI: dry matter intake [kg/d], FCR: feed conversion ratio [kg/kg], FE: feed efficiency [kg/kg], RFI: residual feed intake [kg/d], ME: maintenance efficiency [kg/kg], EG: efficiency of gain [kg/Mcal], PEG: partial efficiency of growth, RGR: relative growth rate [%/d].