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BioPRYN® (Pregnancy Ruminant Yes/No) is a pregnancy detection procedure in ruminant animals such as cattle, sheep, and goats. It measures the presence of Pregnancy-Specific Protein B (PSPB) in the blood circulation of the animal. The PSPB is a protein produced by the placenta of the growing fetus.

This test is done by women in their homes. Unfortunately cows do not make bovine (or any such molecule that is readily detectable in the urine) so a simple test that is similar to the human test is not available.

Prepare a timer. As Pregnancy test is formulated for use with fresh urine specimens, wear glove and use urine cup to collect urine. Remove the test cassette from its foil pouch. Draw urine sample into dropper, and dispense it into round storage of test strip(app. ... Read results within 10 minutes.

The urine of pregnant cows will change color to purplish with a voltage value of 4.25-4.35 volt which is read by the infrared sensor. From the test result obtained, the duration of the cow pregnancy detection process is ± 2.5 minutes with 100% accuracy which has been compared with rectal palpation.

It's 99% accurate and results are available in less than 2 weeks.

Generally, about 70% of cows will calve within a week of their due date based on early rectal pregnancy test results. Typically, 10% of cows calve 10 days before and another 10% calve 10 days after their due date. This natural variation in pregnancies means that pregnancy testing cannot be exact in all cows.

Human pregnancy tests aren't effective in dogs, because they detect a telltale hormone, known as human or hCG, which isn't produced by canines.

How does BioPRYN® detect pregnancies? A. BioPRYN® evaluates the blood (more specifically, the serum or plasma) of ruminants for a protein called Pregnancy Specific Protein B (PSPB). PSPB is produced by the placenta, and therefore pregnant animals will have the protein in their blood.