To avoid disappointing pregnancy rates this fall, here are some key areas of management that often get overlooked.

Lundy erika
Extension and Outreach Beef Specialist / Iowa State University

Regardless of whether you implement an A.I. program or natural breeding program, proper timing and administration of pre-breeding vaccinations are important. Remember, these vaccinations need to be administered at least 30 days prior to initiation of breeding. Questions regarding vaccination protocols – especially when making changes to existing vaccination programs – should be discussed with your veterinarian.

Proper handling of vaccines and hormones used in A.I. programs are critical to the success of the vaccination or estrus synchronization protocol. Always read the labels to determine proper storage before, during and after use as well as route of administration. All injections, whether intramuscular or subcutaneous, should be administered only in the neck region. Keep in mind, even our breeding stock will someday enter the food chain, and injection sites in the rump area of the cow will cause lesions and require muscle trimming.

Unsanitary A.I. equipment and hands immediately diminish pregnancy potential in A.I. and embryo transfer situations. Likewise, needles should be changed every 10 to 15 head to decrease the risk of injection site abscesses. When treating sick cattle, needles used should be changed every head to avoid disease transfer.

Keeping good notes during the breeding season, such as vaccine usage and treating females, may be useful for troubleshooting if a reproduction or performance issue arises.

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Several of these production practices and more are emphasized in the Beef Quality Assurance (BQA) certification training. If you are not already certified, consider becoming BQA-certified to better yourself and your operation. As always, work with your team of assembled experts, including your extension beef specialist, veterinarian and nutritionist, to build a successful breeding season.  end mark

Erika Lundy
  • Erika Lundy

  • Extension Beef Program Specialist
  • Iowa Beef Center - Iowa State University
  • Email Erika Lundy