Reporting unusual calves to the ASA

During the calving season, it is not uncommon to hear about unusual calves born with a variety of defects. Many of these defects are spontaneous events that are triggered by a variety of cues and are not necessarily genetic in nature. However, reporting these abnormalities to the ASA or other breed associations is vital to our ability to detect new genetic conditions. If you suspect you have an unusual calf, please let the ASA know right away. If the calf is stillborn, it is beneficial to report these cases immediately should we need access to tissue or DNA.

We ask that producers send the following information to the ASA (email to or call 406-587-4531):
•Pictures or video capturing the affected animal
•Identification and approximate date of birth of the animal
•Thorough description of the affected animal
•Identification, breed, and pedigree of the potential dam and sire(s)

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