Articles | Volume 63, issue 1
Arch. Anim. Breed., 63, 1–8, 2020
Arch. Anim. Breed., 63, 1–8, 2020

Original study 07 Jan 2020

Original study | 07 Jan 2020

Research of postpartum endometritis in Japanese Black cattle with cystic ovarian disease by vaginal mucus test and endometrial cytology

Naoki Yamamoto et al.

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Cited articles

Ahmadi, M. R., Nazifi, S., Sajedianfard, J., and Moattari, G.: Impact of estrous synchronization methods on cellular proportions in cervical mucus and serum hormone concentrations, Theriogenology, 67, 598–604,, 2007. 
Barański, W., Łukasik, K., Skarżyński, D., Sztachańska, M., Zduńczyk, S., and Janowski, T.: Secretion of prostaglandins and leukotrienes by endometrial cells in cows with subclinical and clinical endometritis, Theriogenology, 80, 766–772,, 2013. 
Barlund, C. S., Carruthers, T. D., Waldner, C. L., and Palmer, C. W.: A comparison of diagnostic techniques for postpartum endometritis in dairy cattle, Theriogenology, 69, 714–723,, 2008. 
Bonnett, B. N., Martin, S. W., Gannon, V. P., Miller, R. B., and Etherington, W. G.: Endometrial biopsy in Holstein-Friesian dairy cows. III. Bacteriological analysis and correlations with histological findings, Can. J. Vet. Res., 55, 168–173, 1991. 
Bosu, W. T. K. and Peter, A. T.: Evidence for a role of intrauterine infections in the pathogenesis of cystic ovaries in postpartum dairy cows Theriogenology, 28, 725–736,, 1987. 
Short summary
The objective of this study was to clarify the interaction between postpartum endometritis and cystic ovarian disease (COD) in Japanese Black cattle. The prevalence of endometritis increased in cows with COD. The percentage of polymorphonuclear neutrophils in smears is high in cows with COD at 40–60 d postpartum. The results suggest that Japanese Black cattle with COD have potential implications for endometritis at 40–60 d postpartum compared to the cows with normal ovarian cycle.