Association of Ovarian Structures, Uterine Characteristics and Cervico-vaginal Mucus Attributes with Conception in Dairy Cows
DOI:
https://doi.org/10.48165/ijar.2022.43.2.1Keywords:
Cervicovaginal mucus, dairy cows, preovulatory follicle, spinnbarkeit, estrusAbstract
This study was conducted to evaluate the association between ovarian structures, uterine characteristics and physical attributes of cervico-vaginal mucus (CVM) with conception rate in normal cyclic dairy cows (N=20) at estrus. Different physical parameters of CVM at estrus such as quantity, consistency, color, pH, Spinnbarkeit value and fern pattern were evaluated. Transrectal ultrasonography was done at estrus to carry out the morphometry of follicles and uterine horns as well as following artificial insemination, the mid-cyclic corpus luteum size and functionality were assessed on the 10th day using B-mode and color Doppler ultrasonography. Among the physical parameters, significantly higher (p<0.05) Spinnbarkeit values were recorded for subsequently pregnant (n=12) as compared to non-pregnant cows (n=8). The mean diameter of the preovulatory follicle at estrus and corpus luteum vascularity (%) was significantly higher (p<0.05) in subsequently pregnant as compared to non-pregnant cows while, no significant difference (p>0.05) was recorded for intraluminal uterine fluid diameter and endometrium thickness. In conclusion, higher spinnbarkeit and preovulatory follicle diameter at estrus led to a better conception rate in dairy cows.
References
Acosta, T.J. and Miyamoto, A. (2004). Vascular control of ovarian function: ovulation, corpus luteum formation and regression. Anim. Reprod. Sci., 82-83: 127-140.
Ahmadi, M.R., Asghar, M., Behrooz, M. and Maryam, A.L. (2019). Ultrasonic characteristics of the uterus and ovaries during estrus, and their relationship with the pregnancy rate in dairy cows. Vet. Arhiv., 89(3): 279-294.
Beran, J., Stadnik, L., Duchacek, J., Okrouhla, M., Dolezalova, M., Kadlecova, V. and Ptacek, M. (2013). Relationships among the cervical mucus urea and acetone, accuracy of insemination timing, and sperm survival in Holstein cows. Anim. Reprod. Sci., 142(1-2): 28–34.
Bhat, F.A., Bhattacharyya, H.K., Fazili, M.R., Hussain, S.A. and Khan, M.Z. (2015). Studies on Estrual cervical mucus of repeat breeding cows with special reference to ovulatory disturbances and genital infection. Theriogenology Insight., 5(2): 113-123.
Brusveen, D.J., Souza, A.H. and Wiltbank, M.C. (2009). Effects of additional prostaglandin F2α and estradiol-17β during Ovsynch in lactating dairy cows. J. Dairy Sci., 92: 1412-1422.
Hanumant, D., Tiwari, R.P., Chaturvedani, A.K., Paikra, D., Chandrakar, C. and Ratre, P. (2019). Analysis of corporeal characteristics of cervico-vaginal mucus in cows. Pharma Innov. J., 8(3): 261-264.
Herzog, K. and Bollwein, H. 2007.Application of ultrasonography in cattle reproduction. Reprod. Domest. Anim., 42(2): 51-58.
Kapse, S., Singh, M., Sharma, A. and Kumar, P. (2017). Dominant follicle diameter at insemination is related to positive pregnancy outcome in dairy cattle. Indian J. Anim. Reprod., 38(1): 56-57.
Keskin, A., Mecitoğlu, G., Bilen, E., Güner, B., Orman, A., Okut, H., and Gümen, A. (2016). The effect of ovulatory follicle size at the time of insemination onpregnancy rate in lactating dairy cows. Turkish J. Vet Anim. Sci., 40: 68-74.
Lüttgenau, J., Mang, H., Borel, N., Bruckmaier, R. M., and Bollwein, H. (2016). Ultrasonographic examination reduces the percentage of unsuccessful inseminations in dairy cows. Theriogenology, 85(4): 664-670.
Lynch, C. O., Kenny, D. A., Childs, S., & Diskin, M. G. (2010). The relationship between periovulatory endocrine and follicular activity on corpus luteum size, function, and subsequent embryo survival. Theriogenology, 73(2): 190-198.
Modi, L. C., Suthar, B. N., Nakhashi, H. C., Sharma, V. K., and Panchasara, H. H. (2011). Physical characteristics of estrual cervical mucus and conception rate in repeat breeder Kankrej cattle. Int. J. Agro-Vet. Med. Sci, 5: 416-423.
Ningwal, D., Nema, S.P., Kumar, S., Kushwah, A. and Shivhare, M. (2018). Rheological properties of cerviovaginal mucus in relation to fertility in crossbred cows and heifers. Inter. J. Advan. Res., 6(6): 495- 500.
Pierson, R.A. and Ginther, O.J. (1988). Ultrasonic imaging of the ovaries and uterus in cattle. Theriogenology., 29: 21-37.
Rangnekar, M.N., Dhoble, R.L., Gacche, M.G., Inganwale, M.V., Sawale, A.G. and Jadhav, J.M. (2002). Physical properties of estrual cervical mucus in repeat breeding crossbred (HF) cows with reference to fertility. Indian J. Anim.Sci., 72(12): 1122-1124.
Yildiz, A. (2021). The Validity of the Scores of Cervical Mucus during Artificial Insemination for Estimating the Probability of Conceiving in Clinically Healthy Cows. Vet. Sci. Res. Rev., 7(1): 58-65.
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