anchor.diff:  "1797","B Crossen","blue bar","cock","Nov-80",1411,"OLD BIRD"
   "1798","FRALEY/SKURSK","complex","cock","8-May",1410.2,"OLD BIRD"
   "1799","LUDOLPH","blue bar","cock","16/38",1408.7,"OLD BIRD"
  -"1800","STEVE LESL/12","complex","hen","94.433",1408.1,"OLD BIRD"
  +"1800","STEVE LESL2","complex","hen","94.433",1408.1,"OLD BIRD"
   "1801","Joe Cavish","blue bar","cock","Apr-33",1407.1,"OLD BIRD"
  -"1802","Hideaway L/30","blue bar","cock","96.961",1406.9,"OLD BIRD"
  -"1803","B Crossen /59","blue bar","hen","102.042",1406.5,"OLD BIRD"
  +"1802","Hideaway L0","blue bar","cock","96.961",1406.9,"OLD BIRD"
  +"1803","B Crossen9","blue bar","hen","102.042",1406.5,"OLD BIRD"
   "1804","B Crossen","blue check","hen","Feb-59",1406.4,"OLD BIRD"
   "1805","B Crossen","blue check","hen","Dec-80",1406.4,"OLD BIRD"
   "1806","L Mikesell","blue check","cock","15-Feb",1406.3,"OLD BIRD"
  
positive.code: "951","TIM WOGOMAN","complex","hen","4/46",875.8,"YOUNG BIRD"
  "952","TIM WOGOMAN","blue bar","hen","5/46",875.4,"YOUNG BIRD"
  "953","Jerry King","complex","cock","6/30",872.2,"YOUNG BIRD"
  "954","WADE FARLE/12","complex","hen","115.554",870.1,"YOUNG BIRD"
  "955","FLORIN POTRA","complex","hen","5/23",869.8,"YOUNG BIRD"
  "956","FLORIN POTRA","complex","hen","6/23",869.7,"YOUNG BIRD"
  "957","Jack Chavis","complex","hen","2/20",869,"YOUNG BIRD"
  
negative.code: "709","KEN FRALEY","blue bar","hen","6/25",1267,"YOUNG BIRD"
  "710","KEN FRALEY","complex","hen","7/25",1267,"YOUNG BIRD"
  "711","KEN FRALEY","blue bar","hen","8/25",1266.9,"YOUNG BIRD"
  "712","DOUG WHITE","blue bar","hen","128.525",1255.4,"YOUNG BIRD"
  "713","DAVE SKURSKI","blue bar","hen","15/65",1235.7,"YOUNG BIRD"
  "714","DAVE SKURSKI","blue bar","hen","16/65",1235,"YOUNG BIRD"
  "715","DAVE SKURSKI","blue check","hen","17/65",1235,"YOUNG BIRD"
  "716","DAVE SKURSKI","blue bar","cock","18/65",1234.3,"YOUNG BIRD"
  "717","DAVE SKURSKI","blue check","hen","19/65",1233.9,"YOUNG BIRD"
  "718","BRUCE GORD7","complex","hen","109.667",1220.8,"YOUNG BIRD"
  "719","DAVE SKURSKI","yellow var","cock","20/65",1218.1,"YOUNG BIRD"
  "720","BRUCE GORDON","complex","hen","2/17",1214.7,"YOUNG BIRD"
  "721","SANTUARIO L","blue bar","hen","115.607",1204.4,"YOUNG BIRD"
  "722","BRAD SANTO3","blue bar","hen","114.317",1200.7,"YOUNG BIRD"
  "723","BRAD SANTOS","complex","hen","2/33",1200.7,"YOUNG BIRD"
  "724","BRAD SANTOS","complex","hen","3/33",1200.5,"YOUNG BIRD"
  "725","FLORIN POT6","complex","cock","116.442",1189.4,"YOUNG BIRD"
  "726","FLORIN POTRA","complex","hen","2/26",1186.4,"YOUNG BIRD"
  "727","DOUG WHITE","blue bar","hen","2/8",1186.2,"YOUNG BIRD"
  "728","FLORIN POTRA","complex","hen","3/26",1186.1,"YOUNG BIRD"
  