Can you use ivomectrin wormer on bred cows?

It depends on the specific product you are using, as different formulations of ivomectin may have different recommendations. Ivomectin is generally safe to use in cattle, including pregnant cows, but you should always follow the instructions provided by the manufacturer of the product you are using. Some formulations of ivomectin, such as Ivomec Pour-On or Ivomec Injection, are approved for use in pregnant cows, while others may have specific restrictions or warnings regarding their use in bred cows. It is important to carefully read the product label and follow any instructions or warnings provided to ensure the safe and effective use of the wormer. If you have any questions or concerns about using ivomectin in bred cows, it is always best to consult with a veterinarian for advice.