Listed below are Contractural Arachnodactyly (FCS) test results for bulls in the current Select Sires Angus lineup as well as those bulls (both lineup and off-lineup bulls) that have been identified as carriers for this defect. Additional results will be posted as they are received. For additional information regarding this genetic defect, go to www.angus.org.
Contractural Arachnodactyly, informally referred to as Fawn Calf Syndrome, is a simple recessive genetic defect that has been characterized in Angus cattle. Results from a test recently developed by AgriGenomics, Inc. for this genetic defect are presented below. "Non-Carrier" means the sire has tested free of the defective gene and will not sire affected calves. Sires highlighted in yellow were determined to be "Carriers" of the defective gene.
| Select Sires Code Number | Name | Registration Number | Contractural Arachnodactyly (CA) gene test result | |
| 9AN76 | BON VIEW NEW DESIGN 208 | 13044574 | CARRIER | CAC |
| 7AN101 | PREMIER INDEPENDENCE K N | 9958208 | CARRIER | CAC |
| 7AN122 | RAMBO 465T OF JRS | 10682868 | CARRIER | CAC |
| 7AN220 | BALDRIDGE JULIO 157J | 13352944 | CARRIER | CAC |
| 7AN251 | LRA FORESIGHT 26C | 14515789 | CARRIER | CAC |
| 7AN253 | LCC NEW CHAPTER G831N | 14570934 | CARRIER | CAC |
| 7AN260 | CONNEALY RESOURCE FD 464 | 14843300 | CARRIER | CAC |
| 7AN261 | CONNEALY GRANT 208 4246 | 14845081 | CARRIER | CAC |
| 7AN264 | GAR USER FRIENDLY | 14504755 | CARRIER | CAC |
| 7AN314 | CONNEALY SULLIVAN 83A | 16246697 | CARRIER | CAC |
| 7AN178 | BAR EXT TRAVELER 205 | 12452829 | Non-Carrier | CAF |
| 7AN194 | RITO 6I6 OF 4B20 6807 | 12530601 | Non-Carrier | CAF |
| 7AN207 | CRA BEXTOR 872 5205 608 | 13009379 | Non-Carrier | CAF |
| 7AN210 | SS DECATUR 55H | 13103836 | Non-Carrier | CAF |
| 7AN213 | GAR GRID MAKER | 13254554 | Non-Carrier | CAF |
| 7AN218 | TOSU MICK 9301 | 13436290 | Non-Carrier | CAF |
| 7AN221 | GAR RETAIL PRODUCT | 13395329 | Non-Carrier | CAF |
| 7AN222 | GAR PREDESTINED | 13395344 | Non-Carrier | CAF |
| 7AN229 | GAR YIELD GRADE | 13724351 | Non-Carrier | CAF |
| 7AN234 | RITO 1I2 OF 2536 RITO 6I6 | 13793826 | Non-Carrier | CAF |
| 7AN238 | RITO 2X15 OF RITA 8Z22 EXP | 14056739 | Non-Carrier | CAF |
| 7AN239 | BLEVINS RAINDANCE 2503 | 14270028 | Non-Carrier | CAF |
| 7AN243 | VERMILION NEBRASKA M404 | 14128747 | Non-Carrier | CAF |
| 7AN249 | ALC BIG EYE D09N | 14560689 | Non-Carrier | CAF |
| 7AN254 | BROOKS NIGHT OFF 309 | 14551206 | Non-Carrier | CAF |
| 7AN255 | GAR NEW DESIGN 5050 | 13728513 | Non-Carrier | CAF |
| 7AN258 | TC TOTAL 410 | 14844711 | Non-Carrier | CAF |
| 7AN266 | LD REDIRECT 11 | 14121653 | Non-Carrier | CAF |
| 7AN269 | SAV MANDAN 5664 | 15107825 | Non-Carrier | CAF |
| 7AN272 | CONNEALY DANNY 5398 | 15150630 | Non-Carrier | CAF |
| 7AN275 | TOSU HAWK 5306 | 15330093 | Non-Carrier | CAF |
| 7AN276 | BLEVINS MISSION 5709 | 15231166 | Non-Carrier | CAF |
| 7AN277 | GAR PREDICTION | 15283265 | Non-Carrier | CAF |
| 7AN278 | GAR SELECTIVE | 15129617 | Non-Carrier | CAF |
| 7AN282 | RITO 6EM6 OF 4L3 EMBLAZON | 15266353 | Non-Carrier | CAF |
| 7AN285 | GAR GAME ON | 15482196 | Non-Carrier | CAF |
| 7AN288 | ROCKIN HORSE TAILOR MADE 456 | 14899673 | Non-Carrier | CAF |
| 7AN292 | RITO 6M51 OF RITA 2V5 PRED | 15498627 | Non-Carrier | CAF |
| 7AN294 | UI PEER REVIEWED T083 | 15823918 | Non-Carrier | CAF |
| 7AN297 | SS INSIGHT T20 | 15790033 | Non-Carrier | CAF |
| 7AN299 | CONNEALY ANSWER 71 | 15832579 | Non-Carrier | CAF |
| 7AN300 | CSU RAM NATION 7105 | 15774209 | Non-Carrier | CAF |
| 7AN301 | ALCOA NEW STANDARD 427 | 16063087 | Non-Carrier | CAF |
| 7AN302 | CONNEALY MENTOR 7374 | 15832714 | Non-Carrier | CAF |
| 7AN303 | B/R NEW DAY 454 | 14675445 | Non-Carrier | CAF |
| 7AN304 | B/R AMBUSH 28 | 14188956 | Non-Carrier | CAF |
| 7AN306 | WERNER WAR PARTY 2417 | 16004857 | Non-Carrier | CAF |
| 7AN307 | RITO 7065 OF RITA 5M46 OBJ | 15796904 | Non-Carrier | CAF |
| 7AN308 | G A R CONCRETE | 16046828 | Non-Carrier | CAF |
| 7AN309 | LIMESTONE GREAT DIVIDE U254 | 16165411 | Non-Carrier | CAF |
| 7AN310 | STUCKY VALUEBULL 8387 | 16125094 | Non-Carrier | CAF |
| 7AN311 | WHS LIMELIGHT 64V | 16073564 | Non-Carrier | CAF |
| 7AN312 | SAV BIRTHSTONE 8258 | 16107741 | Non-Carrier | CAF |
| 7AN313 | MILL BRAE TWENTY/TWENTY 8069 | 16152588 | Non-Carrier | CAF |
| 7AN315 | CIRCLE A IMAGE MAKER 7463 | 16005498 | Non-Carrier | CAF |
| 7AN316 | CONNEALY COUNTERPART 882B | 16234420 | Non-Carrier | CAF |
| 7AN317 | WOODHILL MAINSTREAM U11 | 16156598 | Non-Carrier | CAF |
| 7AN319 | TC THUNDER 805 | 16150299 | NA | NA |
| 7AN320 | G A R PROPHET | 16295688 | Non-Carrier | CAF |
| 7AN321 | 44 CHANGE UP | 15978589 | Non-Carrier | CAF |
| 7AN322 | G A R PROGRESS | 16290873 | Non-Carrier | CAF |
| 7AN323 | SITZ HOMESTEAD 4978 | 16094168 | Non-Carrier | CAF |
| 7AN324 | RITO 9B30 OF RITA 5M13 BR28 | 16340267 | Non-Carrier | CAF |
| 7AN326 | CONNEALY 044 062 | 14528078 | Non-Carrier | CAF |
| 7AN328 | SAV PROSPERITY 9131 | 16396523 | Non-Carrier | CAF |
| 7AN329 | SAV MUSTANG 9134 | 16397246 | Non-Carrier | CAF |
| 7AN332 | BC CLASSIC 385-7 | 15748956 | Non-Carrier | CAF |
| 7AN333 | RITO 954 OF RITA 7E2 5050 | 16329691 | Non-Carrier | CAF |