Journal
REPRODUCTION IN DOMESTIC ANIMALS
Volume 46, Issue 3, Pages 455-462Publisher
WILEY
DOI: 10.1111/j.1439-0531.2010.01689.x
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Contents This study was undertaken to detect pregnancy in Iraqi riverine buffalo (Bubalus bubalis) using three different methods (rectal palpation, plasma progesterone concentration and detection of the presence of pregnancy-specific protein B (PSPB) with the BioPRYN (R) enzyme-linked immunosorbent assay (ELISA) test. The aim of the study was to identify the most sensitive, early and accurate method for detecting pregnancy. Twenty-two female riverine buffalo that were 6.0 +/- 0.93 years old were used. Four blood samples per buffalo were taken via jugular venipuncture at days 22-24, 32-34, 42-44 and 58-61 post-mating (PM) to measure the progesterone concentration (ng/ml) and to detect the presence of plasma PSPB. The rectal palpation method was employed to evaluate all buffalo on days 42-44 and 58-61 PM. The BioPRYN (R) test differed (p < 0.01) from the other tests with earlier accuracy for detecting pregnant and non-pregnant buffalo. Eighty-eight percent of pregnant and 76.9% of non-pregnant buffalo were distinguished early (days 22-24 PM) using BioPRYN (R) and plasma PSPB-ELISA level (2.09 +/- 0.12 ng/ml) in relation to 66.7% and 53.9% detected using the progesterone assay at similar days (4.30 +/- 0.40 ng/ml). In conclusion, these results described, for the first time, the early and accurate pregnancy detection of water riverine buffalo using BioPRYN (R) technology and provided the plasma levels of PSPB using an ELISA test. These findings will improve the reproductive and productive efficiency of Iraqi riverine buffalo by adapting the recent management and reproductive strategies in Iraq and in the world.
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