Five tips for successful synchronization
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Five tips for successful synchronization

September 22, 2014
POSTED BY: Richard Wallace | DVM, MS | Managing Veterinarian | Dairy Technical Services | Zoetis

Delays in rebreeding dairy cows can add up: reduced milk production, higher breeding costs and greater risk of culling. Dairy synchronization programs can help improve breeding efficiency, increase pregnancy rates, save time and protect your bottom line.

Setting up a synchronization program doesn’t have to be hard. In fact, it can make your life easier on the dairy. Work with your veterinarian to find a protocol that fits your schedule. However, it’s important to educate employees so they stick to protocols. Protocol drift can result in lower conception rates, missed inseminations and wasted opportunity.

Follow these tips for easier on-label administration and protocol compliance:

  1. Work with your veterinarian to set up an on-label synchronization protocol that best fits your herd.
  2. Train and regularly retrain employees on synchronization protocols and protocol compliance.
  3. Identify cows enrolled in a synchronization program. Keep accurate records and good ID tags to be sure the correct product is administered and the correct cow is inseminated at the prescribed time.
  4. Use color-coded bottles and different size syringes to identify the specific product.
  5. Use the smallest gauge needle allowed — an 18- or 20-gauge needle, 1.5 inches long. This allows the injection to be placed deep in the muscle. Replace the needle often to avoid abscesses.

You can help manage breeding schedules more efficiently with LUTALYSE® (dinoprost tromethamine injection) Sterile Solution and FACTREL® Injection (gonadorelin injection) in fixed-time artificial insemination (FTAI). Work with your veterinarian to develop the most suitable reproductive program on your dairy that makes following protocol compliance easy.

IMPORTANT SAFETY INFORMATION FOR FACTREL: FACTREL is for use in cattle only. See full Prescribing Information.

IMPORTANT SAFETY INFORMATION FOR LUTALYSE: Women of childbearing age and persons with respiratory problems should exercise extreme caution when handling LUTALYSE. LUTALYSE is readily absorbed through the skin and may cause abortion and/or bronchiospasms, therefore spillage on the skin should be washed off immediately with soap and water. Aseptic technique should be used to reduce the possibility of post-injection clostridial infections. Do not administer LUTALYSE in pregnant cattle unless cessation of pregnancy is desired. See full Prescribing Information.


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