Comparison of a barium chloride test with ELISA for pregnancy detection in cows
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Oct 20, 2020
About this article
Published Online: Oct 20, 2020
Page range: 567 - 571
Received: Mar 26, 2020
Accepted: Oct 05, 2020
DOI: https://doi.org/10.2478/jvetres-2020-0068
Keywords
© 2020 O.I. Dana et al. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Fig. 1

Correct positive, correct negative, false positive, and false-negative results by progesterone ELISA and barium chloride tests for detection of pregnancy and corpus luteum in cows
Progesterone ELISA (number (%)) | Barium chloride test (number (%)) | Total | |||||||
---|---|---|---|---|---|---|---|---|---|
Correct positive | Correct negative | False- positive | False- negative | Correct positive | Correct negative | False- positive | False-negative | ||
Pregnancy | 34 (45.9) | 25 (33.8) | 15 (20.3) | 0 | 27 (36.5) | 12 (16.2) | 28 (37.8) | 7 (9.5) | 74 (100.0) |
CL | 49 (66.2) | 15 (20.3) | 0 | 10 (13.5) | 47 (63.5) | 13 (17.6) | 7 (9.5) | 7 (9.5) | 74 (100.0) |
Values of sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy of progesterone ELISA-and barium chloride tests for detection of pregnancy and corpus luteum
Method of detection | Sensitivity | Specificity | PPV | NPV | Accuracy | |
---|---|---|---|---|---|---|
Progesterone ELISA | Pregnancy | 100.0 | 62.5 | 69.4 | 100.0 | 79.7 |
CL | 83.0 | 100.0 | 100.0 | 60.0 | 86.4 | |
Barium chloride test | Pregnancy | 79.4 | 30.0 | 49.0 | 63.0 | 52.7 |
CL | 87.0 | 65.0 | 87.0 | 65.0 | 81.0 |