AAA Login
Member Code:
Remember Me

Animal Search:
Member Search:
Site Search:

Follow us on Facebook and Twitter

Age in Days Calculator

Find the date when a calf will fall into age windows for AHIR measurements.

Enter Birth Date: (Date format: mm/dd/yy)
Enter either "Age in Days" or "Specific Date" to find the appropriate age window.
Age in Days: OR Specific Date:
  * = required field

Age Windows for AHIR Measurements

Weaning   Ultrasound  
120-280 days   Bull 320-440 days
Yearling   Cow 320-460 days
320-440 days   Steer 320-480 days

American Angus Association® 3201 Frederick Ave. St. Joseph, MO 64506
Contact us:  phone 816.383.5100  fax 816.233.9703   e-mail
© Copyright 2014, All rights reserved. Data Access and Use