Here is the data on our Lilybrook B bulls of the Canadian Hereford Association’s Residual Feed Efficiency Trial number 5.
Feed efficiency (RFI, RG,
RIG) values have been calculated across contemporary groups (pens in
this case), however bulls at this time can only be compared within
pen. Comparison across pens can be conducted when estimated
breeding values (EBVs) have been calculated.
RFIFAT_A refers to residual feed intake
adjusted for final off-test backfat thickness and has been calculated
across contemporary groups. It is expressed in kg DM/day and can be
converted to lb DM/day by multiplying the value by 2.2046. Negative RFI
means superior feed efficiency compared to a positive bull.
RGFAT_A refers to residual gain adjusted
for final off-test backfat thickness and has been calculated across
contemporary groups. It is expressed in kg gain/day and can be converted
to lb/day by multiplying the value by 2.2046. it identifies bulls with
superior growth potential and positive values have superior growth to
negative values.
RIGFAT_A refers to residual intake and
gain adjusted for final off-test backfat thickness and has been
calculated across contemporary groups. It is expressed in Standard
deviations above the mean. Positive RIG values means superior feed
efficiency and superior growth compared to a bull with negative RIG
values.
RIGFAT_A
is perhaps the most meaningful data point to consider at this point in
the project as it represents the residual feed intake AND the residual
gain. In other words this represents animals with lower feed intake but
are also high gainers. In this instance, the more positive the number
the better.
Here are the Raw Data RFI values for Trial #5
| CALF_ID | DAM_ID | SIRECALF_ID | Start WT | Final WT | ADG lbs | FCR | RFI | RFI_FAT | RG_FAT | RIG_FAT | |
| LBH 270B | LBH 106T MISS STANDARD 105Y (LBH 105Y) | XTC GUINNESS ET 38Z (CXT 38Z) | 906 | 1188 | 3.62 | 4.82 | -1.551 | -1.577 | 0.288 | 4.6823 | CL |
| LBH 67B | LBH 106T MISS STANDARD 194X (LBH 194X) | CL 1 DOMINO 955W (955) | 847 | 1120 | 3.61 | 4.85 | -1.222 | -1.205 | 0.278 | 3.9248 | CL |
| LBH 389B | LBH 39T MISS STERLING 94Y (LBH 94Y) | LBH 157K RIBSTONE 40W (LBH 40W) | 720 | 981 | 3.44 | 4.93 | -0.932 | -0.889 | 0.232 | 3.0576 | CL |
| LBH 420B | LBH 66T MISS RIBSTONE 386Y (LBH 386Y) | LBH 157K RIBSTONE 40W (LBH 40W) | 715 | 961 | 3.11 | 5.29 | -0.817 | -0.820 | 0.128 | 2.3032 | CL |
| LBH 138B | LBH 20J MISS STANMORE 183P (LBH 183P) | LBH 157K RIBSTONE 198T (LBH 198T) | 784 | 1074 | 3.85 | 4.59 | -0.894 | -0.773 | 0.383 | 4.3682 | |
| LBH 282B | LBH 75S MISS STD BRIT 144W (LBH 144W) | CC 77J STERLING 39T (BXC 39T) | 799 | 1131 | 4.46 | 4.34 | -0.651 | -0.629 | 0.486 | 4.5666 | |
| LBH 40B | LBH 119R MISS SUNSHINE 171T (LBH 171T) | MCCOY 55M ABSOLUTE 49S (ZTM 49S) | 913 | 1195 | 3.74 | 5.26 | -0.614 | -0.618 | 0.164 | 2.1379 | CL |
| LBH 219B | LBH 91Z MISS HOT SHOT 84T (LBH 84T) | LBH 157K RIBSTONE 66T (LBH 66T) | 732 | 988 | 3.37 | 5.14 | -0.5597 | -0.483 | 0.166 | 2.2979 | |
| LBH 366B | LBH 75S MISS STD BRIT 296W (LBH 296W) | LBH 157K RIBSTONE 66T (LBH 66T) | 762 | 1023 | 3.25 | 5.56 | -0.465 | -0.476 | 0.068 | 1.2963 | CL |
| LBHM 91B | LBH 268P MISS STANDARD 404X (LBHM 404X) | SGC 76P ROYAL AMIGO 174S (SGC 174S) | . | 1003 | 3.46 | 4.99 | -0.493 | -0.473 | 0.189 | 2.4075 | |
| LBHM 164B | LBH 198T MISS RIBSTONE 344W (LBH 344W) | CHURCHILL SENSATION 028X (028) | 888 | 1155 | 3.32 | 5.88 | -0.447 | -0.470 | -0.012 | 0.8077 | CL |
| LBH 135B | LBH 21M MISS STANMORE 313S (LBH 313S) | LBH 157K RIBSTONE 66T (LBH 66T) | 913 | 1121 | 2.89 | 6.22 | -0.627 | -0.455 | 0.001 | 1.2641 | |
| LBH 397B | LBH 157K MISS RIBSTONE 359T (LBH 359T) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 829 | 1156 | 4.19 | 4.85 | -0.456 | -0.446 | 0.323 | 3.1125 | |
| LBH 52B | LBH 157K MISS RIBSTONE 132W (LBH 132W) | UU SENSATION 2042 (2042) | 833 | 1143 | 4.08 | 5.01 | -0.441 | -0.430 | 0.255 | 2.3371 | CL |
| LBH 377B | LBH 77K MISS STANDARD 102N (LBH 102N) | LBH 102T SUPER RIB 47X (LBH 47X) | 772 | 989 | 3.13 | 5.59 | -0.418 | -0.426 | 0.062 | 1.5355 | |
| LBHD 350B | LBH 39T MISS STERLING 19Y (LBHD 19Y) | LBH 40W RIBSTONE 49Z (LBH 49Z) | 808 | 1121 | 4.02 | 4.91 | -0.405 | -0.413 | 0.285 | 2.4854 | CL |
| LBH 405B | LBH 40W MISS RIBSTONE 67Y (LBH 67Y) | LBH 102T SUPER RIB 47X (LBH 47X) | 727 | 1000 | 3.75 | 4.96 | -0.262 | -0.398 | 0.211 | 2.3273 | |
| LBH 192B | LBH 45S MISS ASTER 129W (LBH 129W) | GENETIC 137Y LAD 0827 (0827) | 812 | 989 | 2.54 | 6.90 | -0.217 | -0.393 | -0.153 | 0.1922 | |
| LBH 143B | LBH 40W MISS RIBSTONE 116Y (LBH 116Y) | CL 1 DOMINO 955W (955) | 807 | 1070 | 3.42 | 5.50 | -0.386 | -0.360 | 0.111 | 1.640 | |
| LBH 46B | LBH 20J MISS STANMORE 45R (LBH 45R) | MCCOY 55M ABSOLUTE 49S (ZTM 49S) | 869 | 1129 | 3.50 | 5.61 | -0.192 | -0.357 | 0.088 | 1.500 | |
| LBH 241B | LBH 52N MISS SILVER PRIDE 115T (LBH 115T) | LBH 20J STANMORE ET 265Y (LBH 265Y) | 841 | 1067 | 3.01 | 5.92 | -0.354 | -0.349 | -0.022 | 0.5223 | CL |
| LBHR 198B | LBH 40W MISS RIBSTONE 28Z (LBHR 28Z) | UU SENSATION 2042 (2042) | 772 | 1016 | 3.37 | 5.46 | -0.284 | -0.312 | 0.084 | 1.3516 | |
| LBH 301B | LBH 106T MISS STANDARD 213X (LBH 213X) | LBH 157K RIBSTONE 66T (LBH 66T) | 848 | 1102 | 3.14 | 5.83 | -0.361 | -0.308 | -0.001 | 0.5715 | CL |
| LBHD 63B | LBH 39T MISS STERLING 234Y (LBHD 234Y) | LBH 102T SUPER RIB 335X (LBH 335X) | 781 | 1063 | 3.53 | 5.20 | -0.371 | -0.292 | 0.144 | 1.6491 | |
| LBH 141B | LBH 102T MISS SUPER RIB 328X (LBH 328X) | UU SENSATION 2042 (2042) | 829 | 1062 | 3.10 | 5.88 | -0.273 | -0.281 | 0.004 | 0.7996 | |
| LBHR 243B | LBH 39T MISS STERLING 267Y (LBHR 267Y) | STANDARD 68L DOM LAD 38T (OXB 38T) | 718 | 933 | 2.99 | 5.84 | -0.074 | -0.190 | -0.046 | 0.2558 | |
| LBHD 351B | LBH 39T MISS STERLING 19Y (LBHD 19Y) | LBH 40W RIBSTONE 49Z (LBH 49Z) | 730 | 959 | 3.12 | 5.64 | -0.204 | -0.172 | 0.004 | 0.4992 | |
| LBH 333B | LBH 87M MISS DIAMOND 20S (LBH 20S) | K 64H RIBSTONE LAD 157K (CJK 157K) | 683 | 1031 | 4.45 | 4.37 | -0.212 | -0.154 | 0.369 | 2.5745 | |
| LBH 31B | LBH 20J MISS STANMORE 129S (LBH 129S) | CL 1 DOMINO 955W (955) | 850 | 1058 | 2.84 | 6.52 | -0.030 | -0.105 | -0.137 | -0.5078 | |
| LBH 315B | LBH 56M MISS STANMORE 106W (LBH 106W) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 842 | 1092 | 3.42 | 5.93 | 0.176 | -0.047 | -0.038 | -0.0928 | |
| LBH 134B | LBH 157IK MISS RIBSTONE 189U (LBH 189U) | GENETIC 137Y LAD 0827 (0827) | 780 | . | 2.47 | 7.00 | -0.045 | -0.036 | -0.229 | -1.3078 | CL |
| LBH 133B | LBH 268P MISS STANDARD 165T (LBH 165T) | LBH 39T STERLING 53W (LBHR 53W) | 791 | 1068 | 3.88 | 5.01 | -0.141 | -0.036 | 0.176 | 1.1243 | |
| LBHD 430B | LBH 198T MISS RIBSTONE 186W (LBH 186W) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 804 | 1055 | 3.37 | 5.88 | 0.141 | -0.024 | -0.038 | -0.1582 | |
| LBH 399B | LBH 40W MISS RIBSTONE 12Y (LBH 12Y) | XTC GUINNESS ET 38Z (CXT 38Z) | 749 | 1020 | 3.39 | 5.64 | -0.006 | -0.018 | 0.038 | 0.2645 | CL |
| LBH 9B | LBH 20J MISS STANMORE 3X (LBH 3X) | LBH 38E SILVER PRIDE 52N (LBH 52N) | 921 | 1123 | 2.66 | 7.16 | -0.022 | -0.008 | -0.219 | -1.2574 | |
| LBH 303B | LBH 87P MISS RIBSTONE ET 163T (LBH 163T) | LBH 73L STANDARD 268P (LBH 268P) | 788 | 1041 | 3.49 | 5.62 | 0.095 | 0.008 | 0.005 | 0.0069 | |
| LBH 419B | LBH 20J MISS STANMORE 123T (LBH 123T) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 833 | 1070 | 3.25 | 6.05 | 0.011 | 0.011 | -0.059 | -0.3725 | CL |
| LBH 209B | LBH 52N MISS SILVER PRIDE 132T (LBH 132T) | GENETIC 137Y LAD 0827 (0827) | 781 | 1068 | 3.93 | 5.14 | 0.001 | 0.014 | 0.144 | 0.8023 | |
| LBH 20B | LBH 119R MISS SUNSHINE 152T (LBH 152T) | LBH 157K RIBSTONE 40W (LBH 40W) | 873 | 1190 | 4.04 | 5.33 | 0.158 | 0.034 | 0.123 | 0.6187 | |
| LBH 36B | LBH 87M MISS DIAMOND LAD 21R (LBH 21R) | CHURCHILL SENSATION 028X (028) | 893 | 1195 | 3.91 | 5.52 | 0.001 | 0.059 | 0.094 | 0.3811 | |
| LBH 453B | LBH 102T MISS SUPER RIB 412Y (LBH 412Y) | LBH 397W STANDARD 256Z (LBH 256Z) | 673 | 953 | 3.45 | 5.22 | 0.100 | 0.067 | 0.037 | 0.0321 | |
| LBH 2B | LBH 268P MISS STANDARD 176Y (LBH 176Y) | CL 1 DOMINO 955W (955) | 869 | 1153 | 4.14 | 5.19 | 0.225 | 0.075 | 0.140 | 0.6087 | |
| LBH 157B | LBH 198T MISS RIBSTONE 231Y (LBH 231Y) | AGA 121G STANMORE 20J (XUB 20J) | 739 | 960 | 2.78 | 6.28 | 0.060 | 0.098 | -0.161 | -1.2085 | |
| LBH 321B | LBH 87M MISS DIAMOND 20S (LBH 20S) | K 64H RIBSTONE LAD 157K (CJK 157K) | 763 | 959 | 2.72 | 6.70 | 0.177 | 0.110 | -0.215 | -1.5569 | |
| LBH 352B | LBH 38T MISS STANDARD DOM 63Y (LBH 63Y) | LBH 397W STANDARD 256Z (LBH 256Z) | 811 | 1040 | 3.15 | 6.14 | 0.116 | 0.113 | -0.106 | -0.9318 | |
| LBH 68B | LBH 102T MISS SUPER RIB 330X (LBH 330X) | CHURCHILL SENSATION 028X (028) | 795 | 1047 | 3.08 | 6.06 | 0.141 | 0.135 | -0.060 | -0.6150 | CL |
| LBH 197B | LBH 243W MISS RIBSTONE 244Y (LBH 244Y) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 948 | 1195 | 3.22 | 6.32 | 0.099 | 0.145 | -0.131 | -1.0592 | CL |
| LBH 8B | LBH 30U MISS STANDARD 98X (LBH 98X) | LBH 157K RIBSTONE 40W (LBH 40W) | 778 | 1052 | 3.39 | 5.62 | 0.124 | 0.159 | -0.026 | -0.5936 | |
| LBH 103B | LBH 52N MISS SILVER PRIDE 152S (LBH 152S) | CL 1 DOMINO 955W (955) | 885 | 1156 | 3.52 | 5.95 | 0.129 | 0.161 | -0.042 | -0.5535 | CL |
| LBH 44B | LBH 268P MISS STANDARD 215W (LBH 215W) | MCCOY 55M ABSOLUTE 49S (ZTM 49S) | 919 | 1152 | 3.11 | 6.56 | 0.176 | 0.162 | -0.186 | -1.4212 | CL |
| LBH 28B | LBH 107R MISS RIBSTONE 7U (LBH 7U) | UU SENSATION 2042 (2042) | 867 | 1149 | 3.65 | 5.64 | 0.130 | 0.165 | 0.044 | -0.0445 | CL |
| LBH 194B | LBH 157K MISS RIBSTONE ET 97Z (LBH 97Z) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 784 | 1120 | 4.11 | 5.07 | 0.131 | 0.176 | 0.229 | 1.0434 | CL |
| LBH 356B | LBH 75S MISS STD BRIT 212W (LBH 212W) | LBH 157K RIBSTONE 40W (LBH 40W) | 875 | 1127 | 3.42 | 6.07 | 0.238 | 0.18 | -0.085 | -0.9897 | |
| LBH 340B | LBH 106T MISS STANDARD 176X (LBH 176X) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 730 | 986 | 3.67 | 5.33 | 0.216 | 0.181 | 0.035 | -0.2970 | |
| LBH 127B | LBH 52N MISS SILVER PRIDE 323U (LBH 323U) | LBH 157K RIBSTONE 40W (LBH 40W) | 839 | 1121 | 3.68 | 5.47 | 0.120 | 0.184 | 0.031 | -0.3248 | |
| LBH 227B | LBH 30U MISS STANDARD 40X (LBH 40X) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 819 | 1122 | 3.70 | 5.51 | 0.205 | 0.185 | 0.022 | -0.3841 | |
| LBH 391B | LBH 268P MISS STANDARD 152Y (LBH 152Y) | XTC GUINNESS ET 38Z (CXT 38Z) | 771 | 1034 | 3.36 | 5.76 | 0.095 | 0.189 | -0.043 | -0.7753 | |
| LBH 87B | LBH 157K MISS RIBSTONE 43U (LBH 43U) | GENETIC 137Y LAD 0827 (0827) | 860 | 1079 | 2.92 | 6.54 | 0.217 | 0.211 | -0.166 | -1.3898 | CL |
| LBHM 279B | LBH 66T MISS RIBSTONE 116X (LBHM 116X) | LBH 20J STANMORE ET 265Y (LBH 265Y) | 806 | 1070 | 3.53 | 5.64 | 0.247 | 0.229 | -0.030 | -0.8077 | |
| LBH 233B | LBH 38T MISS STANDARD DOM 76Y (LBH 76Y) | MCCOY 58G JACKPOT ET 105X (ZTM 105X) | 840 | 1089 | 3.54 | 5.79 | 0.382 | 0.237 | -0.057 | -0.9855 | |
| LBH 163B | LBH 87M MISS DIAMOND 182Y (LBH 182Y) | CC 77J STERLING 39T (BXC 39T) | 787 | 988 | 3.00 | 6.28 | 0.402 | 0.249 | -0.187 | -1.7798 | |
| LBH 383B | LBH 39T MISS STERLING 6Y (LBH 6Y) | LBH 157K RIBSTONE 40W (LBH 40W) | 840 | 1108 | 3.44 | 5.82 | 0.244 | 0.284 | -0.011 | -0.6002 | CL |
| LBH 276B | LBH 107R MISS RIBSTONE 130T (LBH 130T) | CC 77J STERLING 39T (BXC 39T) | 857 | 1097 | 3.16 | 6.39 | 0.234 | 0.284 | -0.158 | -1.7042 | |
| LBH 160B | LBH 106T MISS STANDARD 140Y (LBH 140Y) | GENETIC 137Y LAD 0827 (0827) | 808 | 1006 | 2.91 | 6.46 | 0.313 | 0.288 | -0.208 | -2.0109 | |
| LBH 7B | LBH 40L MISS RED STANMORE 28R (LBH 28R) | CHURCHILL SENSATION 028X (028) | 943 | 1144 | 2.64 | 7.60 | 0.272 | 0.317 | -0.326 | -2.7770 | |
| LBH 181B | LBH 157K MISS RIBSTONE 17W (LBH 17W) | XTC KING'S DIAMOND LAD 87M (CXT 87M) | 831 | 1131 | 3.86 | 5.50 | 0.397 | 0.317 | 0.010 | -0.8196 | |
| LBH 290B | LBH 157K MISS RIBSTONE 130X (LBH 130X) | CC 77J STERLING 39T (BXC 39T) | 802 | 1112 | 3.75 | 5.55 | 0.276 | 0.327 | -0.003 | -0.9218 | |
| LBH 55B | LBH 31R MISS STANMORE 315T (LBH 315T) | MCCOY 55M ABSOLUTE 49S (ZTM 49S) | 865 | 1164 | 4.19 | 5.29 | 0.215 | 0.338 | 0.104 | -0.3286 | |
| LBH 38B | LBH 82K MISS KAPTAIN 26P (LBH 26P) | CHURCHILL SENSATION 028X (028) | 767 | 1001 | 3.12 | 6.08 | 0.416 | 0.410 | -0.066 | -1.1624 | CL |
| LBH 387B | LBH 106T MISS STANDARD 258X (LBH 258X) | LBH 102T SUPER RIB 47X (LBH 47X) | 790 | 1056 | 3.64 | 5.53 | 0.412 | 0.422 | -0.044 | -1.4197 | |
| LBH 121B | LBH 20J MISS STANMORE 12S (LBH 12S) | GENETIC 137Y LAD 0827 (0827) | 909 | 1161 | 3.03 | 6.72 | 0.437 | 0.443 | -0.212 | -2.0997 | CL |
| LBH 343B | LBH 101J MISS STANDARD 136N (LBH 136N) | LBH 20J STANMORE ET 265Y (LBH 265Y) | 821 | 1062 | 3.00 | 6.65 | 0.505 | 0.491 | -0.203 | -2.1361 | CL |
| LBH 132B | LBH 40W MISS RIBSTONE 102Y (LBH 102Y) | GENETIC 137Y LAD 0827 (0827) | 745 | 908 | 2.20 | 7.97 | 0.501 | 0.507 | -0.371 | -3.1781 | CL |
| LBH 150B | LBH 198T MISS RIBSTONE 95W (LBH 95W) | XTC KING'S DIAMOND LAD 87M (CXT 87M) | 936 | . | 3.23 | 6.80 | 0.805 | 0.840 | -0.313 | -4.1436 |
Last updated: Dec 13, 2016
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