Tattoos
ASA Year-Letter Identification System
APPENDIX 2.2, INTERNATIONAL YEAR/LETTER DESIGNATIONS FOR
ANIMAL IDENTIFICATION
International letters are designated for each year of birth. This option is easy to use in conjunction with numbers.
For example, S001 and S002 might be used to indicate the first and second calf born in the year 2006.
| 2006 | 2007 | 2008 | 2009 | 2010 |
| S | T | U | W | X |
| 2011 | 2012 | 2013 | 2014 | 2015 |
| Y | Z | A | B | C |
| 2016 | 2017 | 2018 | 2019 | 2020 |
| D | E | F | G | H |
Individual Letters/Digits are available at a cost of $2.00 each and may be ordered by contacting ASA Simmental Specialties at 406-587-4531.