Korean J Vet Res > Volume 54(3); 2014 > Article
Korean Journal of Veterinary Research 2014;54(3):159-164.
DOI: https://doi.org/10.14405/kjvr.2014.54.3.159    Published online September 24, 2014.
Antimicrobial effects of natural extracts on bacteria isolated from the uterus of Hanwoo (Korean native cattle)
Bokyoung Park1, Kiju Kim1, Youngjae Cho1, Soyeon Park1, Jaehun Lee1, Bae-Dong Jung1, Yong-Soo Kwon2, Joung-Jun Park3, Tae-Wook Hahn1
1College of Veterinary Medicine & Institute of Veterinary Science, Kangwon National University
2College of Pharmacy, Kangwon National University
3Animal Reproduction & Biotechnology Center (ARBC)
한우의 자궁 내 분리 세균에 대한 천연물질 항균효과
박보경1, 김기주1, 조영재1, 박소연1, 이재훈1, 정배동1, 권용수2, 박정준3, 한태욱1
1강원대학교 수의과대학 및 동물의학종합연구소
2강원대학교 약학대학
Bacterial infection of the uterus in Hanwoo can kill embryos. Therefore, many antibiotics have been used to treat this infection in the uterus of repeat breeders. Incorrect use of antibiotics has led to resistance in bacteria. Natural compounds have used as substitutes for antibiotics because they are safe and have very mild side effects. This study was conducted to examine the antimicrobial effects of five extracts from medicinal plants including Humulus japonicas (Hj), Phelledendron amurense (Pa), Viola mandshurica (Vm), Carthamus tinctorius (Ct), and Chelidoni herba (Ch) on bacteria isolated from the uterus of Hanwoo using the paper disc diffusion method. Hj and Pa extracts had potent antimicrobial effects against Staphylococcus lentus, Streptococcus infantarius subsp. coli, and Bacillus pumilus. Pa had the greatest antimicrobial effect among the five medicinal plants and was effective against 19 types of bacteria from bovine uterus. Compared to Pa, Hj showed weaker antimicrobial effects on all the bacteria tested except Pseudomonas aeruginosa. Vm, Ct, and Ch also showed weak antimicrobial effects on the tested bacteria. The results obtained suggest that Hj and Pa are natural compounds suitable for treating bacterial infection in repeat breeders and improving conception rates of Hanwoo.
Key Words: antibacterial effects, bacterial flora, Hanwoo, natural product, uterus

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