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Vet Chroma Canine Progesterone Timing Chart And What It Means

Understanding and interpreting progesterone levels in canines is crucial for successful breeding and reproductive management. The Vet Chroma Canine Progesterone Analyzer, available at K9Reproduction.com, empowers breeders and veterinarians with precise data for optimal breeding timing. In this guide, we will delve into how to effectively use the Vet Chroma and interpret the results to make informed decisions.


Vet Chroma Progesterone Timing Chart Before we dive into the details, let's familiarize ourselves with the Vet Chroma Progesterone Timing Chart. This chart is based on Siemens Immulite, which ensures consistency and reliability. Here's a quick overview of the chart:

  • Anestrus/Proestrus (<1.0 ng/ml): Retest in 4-5 days.

  • Pre LH Surge (1.0-1.9 ng/ml): Retest in 3-4 days.

  • LH Surge (2.0-4.9 ng/ml): Retest in 2-3 days.

  • Post LH Surge/Preovulation (5.0-6.9 ng/ml): Retest in 1-2 days.

  • At or near ovulation (7.0-12.0 ng/ml): Retest the next day.

  • Determine if ovulation has occurred (13.0-15.0 ng/ml): Retest to ensure the bitch has not stalled. *It is recommended to begin breeding above 15.0 ng/ml.

  • 1st breeding event (15.0-20.0 ng/ml):

  • 2nd breeding event (21.0-25.0 ng/ml):

  • 3rd breeding/Surgical implant (>25.0 ng/ml):

Now, let's break down the process of using the Vet Chroma Analyzer and interpreting the results:

Using the Vet Chroma Analyzer:

  1. Sample Collection: Begin by collecting a blood sample from the canine. This can be done using standard veterinary blood collection techniques.

  2. Analyzer Setup: Ensure that your Vet Chroma Analyzer is set up correctly and that you are testing in a 78 degree laboratory environment or using an incubator for the test strips.

  3. Testing Process: Place the blood sample into the analyzer and follow the machine's prompts to initiate the test. The analyzer will provide you with a numerical value representing the progesterone level.

Interpreting the Results:

  • Anestrus/Proestrus (<1.0 ng/ml): Indicates that the dog is not yet in the fertile window. Retest in 4-5 days to monitor changes.

  • Pre LH Surge (1.0-1.9 ng/ml): Suggests the dog is in the early stages of the fertile window. Retest in 3-4 days for a more precise assessment.

  • LH Surge (2.0-4.9 ng/ml): Indicates the LH surge that precedes ovulation. Timing is critical; consider breeding or artificial insemination within the next 2-3 days.

  • Post LH Surge/Preovulation (5.0-6.9 ng/ml): The bitch is likely approaching ovulation. Plan to breed within the next 1-2 days for optimal chances of conception.

  • At or near ovulation (7.0-12.0 ng/ml): This is the prime time for breeding. Schedule mating for the next day.

  • Determine if ovulation has occurred (13.0-15.0 ng/ml): Confirm ovulation by retesting. Ensure the bitch has not stalled. Breeding above 15.0 ng/ml is recommended.

  • 1st breeding event (15.0-20.0 ng/ml): Ideal for the first breeding attempt.

  • 2nd breeding event (21.0-25.0 ng/ml): Consider a second breeding event within this range.

  • 3rd breeding/Surgical implant (>25.0 ng/ml): If progesterone levels exceed 25.0 ng/ml, it may be time for a third breeding or surgical implantation.

Using the Vet Chroma Analyzer and understanding these results empowers breeders and veterinarians to make informed decisions, improving breeding success rates. Always consult with your veterinarian or a reproductive specialist for guidance on specific breeding scenarios and the best course of action for your dog.

By mastering the Vet Chroma Canine Progesterone Analyzer, you can enhance your breeding program and ensure the health and well-being of your canine companions.

Vet Chroma Timing Chart
Vet Chroma Timing Chart

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