Abstract
The most Applicable Physical Properties of Cervical Mucus Correlated with High Pregnancy Rate in Egyptian Cows under Heat Stress Condition
Highlights
Cervical mucus is a viscous liquid secreted continuously from mucus-producing cells of the cervix (Verma et al, 2014), which exists in two phases, aqueous and gel in bovine as reported by Rutllant et al (2005)
All biochemical parameters total protein (TP) and total cholesterol (TC) were mostly higher in the UHS group, GLU showed no significant difference between HS and UHS groups
Results in the present study indicated that the UHS group has no heat stress condition compared to the HS group, which exposed to moderate and severe heat stress
Summary
Cervical mucus is a viscous liquid secreted continuously from mucus-producing cells of the cervix (Verma et al, 2014), which exists in two phases, aqueous and gel in bovine as reported by Rutllant et al (2005). The level of gonadal hormones during estrous affect the quality and quantity of this liquid (Tsiligianni et al, 2001; Siregar et al, 2019). Gonadal hormones show cyclic changes in the physical and chemical properties of cervical mucus (Siregar et al, 2019). The main functions of cervical mucus are sperm transport and its role as a barrier against microbe infections. Heat stress is one of the most important constraints affecting fertility (Lopez-Gatius and Hunter, 2017), reducing milk production and reproductive performance of dairy cows (Wolfenson, 2009). The hypothesize of this study that the physical properties of cervical mucus have a close correlation with the optimum time of services per conception and pregnancy rate
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