Abstract
Twenty five buffaloes suffering from uterine torsion were examined for stage of gestation, degree, site and direction of torsion. Results showed that uterine torsion in buffaloes occurred mostly in pluriparous buffaloes (56%) at full-term (72%), in clockwise direction (92%) and postcervical lo - cation (80%). It was mostly of 180° (48%) followed by 360° (32%) and >360° (20%). It is concluded that uterine torsion is mostly of 180 degree, clock-wise and post-cervical and it occurs mostly at term of pregnancy. Pluriparous buffaloes might be at greater risk of uterine torsion than primiparous.
Highlights
Uterine torsion is a rotation of the gravid horn around its long axis (Rakuljic-Zelov, 2002) which leads to narrowing of the birth canal causing dystocia
Results showed that pluriparous buffaloes or aged buffaloes might be at greater risk of uterine torsion than primipara
44% primiparous buffaloes suffered from uterine torsion, and pluriparous buffaloes accounted 56% of total cases
Summary
Uterine torsion is a rotation of the gravid horn around its long axis (Rakuljic-Zelov, 2002) which leads to narrowing of the birth canal causing dystocia. Uterine torsion cases varied in its incidence in buffaloes from 53% to 83% of the dystocia presented at different referral centers (Vasishta, 1983, Malhotra 1990, Singh, 1991a, Prabhakar et al, 1994, Purohit and Mehta, 2006, Srinivas et al, 2007, Purohit et a., 2011a, Purohit et al, 2011b, Purohit et al, 2012) It appears that pregnancy stages affect the incidence of uterine torsion with a greater incidence during advanced pregnancy, immediately before parturition (Rakuljic-Zelov, 2002), and mostly during the second stage of labour (Arthur et al, 1989), uterine torsion observed commonly in pluriparous animal at the time of parturition or during the last month of gestation and occasionally diagnosed at 5th–8th month of pregnancy (Roberts, 1986). It is considered as one of the complicated cause of maternal dystocia in buffaloes culminating in death of both the fetus
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