Measurement of EPF for detection of cow pregnancy using rosette inhibition test

Theriogenology
V Ghaffari LalehM Moghadaszadeh Ahrabi

Abstract

Early embryonic death of calves due to sub-fertility in cows is of great economic concern to dairy industry. Early pregnancy factor (EPF) is a secretory protein with pregnancy associated immunosuppressive properties. Rosette inhibition test (RIT) was used to detect EPF in inseminated dairy cows. Blood samples were collected at two intervals, 1-3 and 5-7 days after insemination from 23 inseminated and 18 non-inseminated control cows for RIT and pregnancy diagnosis performed between 42 and 45 days on palpation. The study indicates that RIT (P<0.05) has the potential to distinguish pregnant from non-pregnant dairy cows in the first week of pregnancy.

References

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Citations

Jan 3, 2014·TheScientificWorldJournal·Ashok K BalharaInderjeet Singh
Jul 10, 2016·Reproduction in Domestic Animals = Zuchthygiene·L BuragohainA K Balhara
Feb 11, 2015·Reproduction : the Official Journal of the Society for the Study of Fertility·Rhianna M WallaceJonathan A Green
Nov 15, 2016·The Tohoku Journal of Experimental Medicine·Quangang ChenHonghua Yuan
Feb 6, 2020·Tropical Animal Health and Production·Shuilian WangDong Wang
Jul 3, 2021·Animals : an Open Access Journal From MDPI·Ottó Szenci

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