From The American Dairy Goat Association Guidebook: The following letters are recommended by aDGA to designate the year of birth. Each animal would have a unique tattoo. For example the first three kids born on a particular farm in 1989 would have A1 A2, A3 tattoos respectively. This would be placed in the left year, with the breeder's designated letters in the right.
1989-A
1990-B
1991-C
1992-D
1993-E
1994-F
1995-H
1996-J
1997-K
1998-L
1999-M
2000-N
2001-P
2002-R
2003-S
2004-T
2005-V
2006-W
2007-X
G, I, O, Q and U are not used.
http://adga.org/
The following are the recommendations of the American Boer Goat Association:
| 1993-E |
1994-F |
1995-G |
1996-H |
1997-J |
1998-K |
1999-L |
| 2000-M |
2001-N |
2002-P |
2003-R |
2004-S |
2005-T |
2006-V |
| 2007-W |
2008-X |
2009-Y |
2010-Z |
2011-A |
2012-B |
2013-C |
| 2014-D |
The letters I, O, Q and U are not used. | |
http://www.abga.org/register.html
