AMERICAN ANGUS ASSOCIATION - THE BUSINESS BREED

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Age In Days Calculator

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

 
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TIP: To calculate Age Window date ranges, enter only the Birth Date. Otherwise enter a Birth Date and Age in Days or Specific Date.
Results

Age Windows for AHIR Measurements 
Weaning
120-280 days
Yearling
320-440 days
Ultrasound
Bull
320-440 days
Cow
320-460 days
Steer
320-480 days