Reference : Pregnancy-associated Glycoprotein Profile during the First Trimester of Pregnancy in ...
Scientific journals : Article
Life sciences : Veterinary medicine & animal health
http://hdl.handle.net/2268/8573
Pregnancy-associated Glycoprotein Profile during the First Trimester of Pregnancy in Egyptian Buffalo Cows.
English
El-Battawy, K. A. [> > > >]
Melo de Sousa, Noelita mailto [Université de Liège - ULg > Département de sciences fonctionnelles > Physiologie de la reproduction >]
Szenci, Otto [> > > >]
Beckers, Jean-François mailto [Université de Liège - ULg > Département de sciences fonctionnelles > Physiologie de la reproduction >]
Apr-2009
Reproduction in Domestic Animals
Blackwell Publishing
44
2
161–166
Yes (verified by ORBi)
International
0936-6768
1439-0531
Berlin
Germany
[en] Buffalo ; PAG ; Progesterone
[en] Pregnancy-associated glycoprotein (PAG) concentrations were measured in buffalo cows starting from day 28 after breeding. Oestrus was synchronized in 10 buffaloes using two injections of 25 mg prostraglandin (PG)F(2alpha) (Lutalyse((R))) at a 11-day interval. Blood sampling was conducted nearly twice weekly. Results indicated that plasma PAG concentrations in non-pregnant buffaloes were low (<0.20 ng/ml) during the whole experimental period (day 28 to 103), while in pregnant animals plasma PAG levels increased from day 28 (4.48 +/- 0.92 ng/ml) until day 41 (27.27 +/- 6.74 ng/ml), remaining high (20.71 +/- 9.20 ng/ml) until day 103. Progesterone levels were significantly (p < 0.0001) higher in pregnant (3.51-4.80 ng/ml) than in non-pregnant buffaloes (0.28-1.52 ng/ml). A significant difference (p < 0.0001) in plasma PAG concentrations between pregnant and non-pregnant animals starting at day 28 after breeding suggests that PAG-radioimmunoassay could be suitable for pregnancy diagnosis in buffaloes during this period. In conclusion, PAG test offers the advantages that it requires a single plasma sample for early pregnancy diagnosis as well as the accuracy of the test for the detection of pregnancy as early as day 28.
Researchers ; Professionals
http://hdl.handle.net/2268/8573
10.1111/j.1439-0531.2007.00941.x

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