Details

Autor(en) / Beteiligte

• Ghaidan, M T
• Dana, O I
• Dyary, H O

Titel

Accuracy of bovine pregnancy-associated glycoproteins (bPAGs) in the diagnosis of pregnancy: A comparative study of three pregnancy diagnostic methods

Ist Teil von

• Polish journal of veterinary sciences, 2019-12, Vol.22 (4), p.769-775

Ort / Verlag

Germany: Polish Academy of Sciences, Committee of Veterinary Sciences

Erscheinungsjahr

2019

Quelle

EZB-FREE-00999 freely available EZB journals

Beschreibungen/Notizen

• One of the effective reproductive management programs in dairy cattle is the accurate detection of pregnancy. A total of 204 non-descriptive cows were examined for pregnancy before slaughter in Sulaimani abattoir. Examinations were done by rectal palpation and enzyme-linked immunosorbent assay (ELISA) to measure the levels of progesterone and bovine pregnancy- -associated glycoproteins (bPAGs) in their blood. Detection of a live conceptus in the uterus of slaughtered cows was used as the gold standard to determine the accuracy of the three pregnancy detection methods. The results showed that the accuracies of rectal palpation, progesterone assay, and bPAGs assay in the diagnosis of pregnancy were 87.2%, 84.8%, and 97.05%, respectively. The bPAGs assay scored the highest sensitivity (100%) for detection of pregnancy, followed by the progesterone assay (92.3%) and rectal palpation (84.6%). In addition, the specificity of the bPAGs assay was the highest (96.0%), while progesterone assay exhibited the lowest specificity (80.1%) and rectal palpation showed a specificity rate of (88.8%). In conclusion, the best method for the detection of either for early or late pregnancy in cows was the bPAGs assay, which gave the lowest number of false-positive and false-negative results.