Description
Alertys OnFarm Cattle Pregnancy Test – 25 Pack
The Alertys OnFarm Pregnancy Test is a fast and reliable blood test for detecting pregnancy in cattle. It identifies pregnancy-associated glycoproteins (PAGs) in whole blood, plasma, or serum samples. With results in as little as 5 minutes, this test allows farmers to quickly identify open cows and make timely breeding decisions to shorten calving intervals and increase productivity.
Why Choose Alertys OnFarm?
- Quick results: Detect PAGs from 28 days post-breeding and 70 days post-calving
- High accuracy: 99.7% sensitivity and 98.1% specificity
- Safe and easy to use: Test cows on-farm, no lab required
- Find open cows early: Make fast decisions and rebreed sooner
- Reduces guesswork: Clear result without needing ultrasound or palpation

Test Details
- Sample type: EDTA whole blood (recommended), plasma, or serum
- Time to result: 5–20 minutes
- Use from: 28 days post-breeding or 70 days post-calving
- Pack includes: 25 pregnancy tests
- Additional items needed: Blood collection kit with EDTA tubes, needles and holders (sold separately)
Frequently Asked Questions
What does the test detect?
The test detects pregnancy-associated glycoproteins (PAGs), which are produced in the placenta and found in the cow’s blood during pregnancy.
What sample types are supported?
Whole blood (EDTA) is preferred for ease of use, but plasma and serum can also be used.
Does the test work for all breeds?
Yes, the Alertys OnFarm Pregnancy Test is effective across all bovine breeds.
Can it tell me the stage of pregnancy or if twins are present?
No, the test only provides a result of pregnant, not pregnant or recheck. It does not indicate gestation stage, calf sex, or multiple pregnancies.
What about cows that recently calved or experienced loss?
PAGs may remain in the blood for 6–10 days after early embryonic loss, or up to 70 days after calving or late-term abortion. Wait at least 70 days post-calving before testing again.
What if I run bulls with my cows?
If using a bull instead of timed AI, wait 50 days after the bull is introduced, or test 28 days after he is removed. For year-round running, consider monthly testing.
What’s Included
- 25 Alertys OnFarm Pregnancy Tests
Note: Blood collection equipment (needles, EDTA tubes, holders) is required and sold separately.






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