Oral malodor-reducing effects by oral feeding of Weissella cibaria CMU in Beagle dogs
2018
Do, K.H., Chungbuk National University, Cheongju, Republic of Korea | Park, H.E., Chungbuk National University, Cheongju, Republic of Korea | Kang, M.S., Research Institute, Oradentics Inc., Seoul, Republic of Korea | Kim, J.T., Research Institute, Oradentics Inc., Seoul, Republic of Korea | Yeu, J.E., Research Institute, Oradentics Inc., Seoul, Republic of Korea | Lee, W.K., Chungbuk National University, Cheongju, Republic of Korea
This study assessed the effects of Weissella cibaria (W. cibaria) CMU on oral health in male and female beagles (n = 18) by measuring oral malodor and periodontal disease-related parameters (calculus, plaque, and gingivitis indices). Oral malodor and indicators of periodontal disease were assessed in five treatment groups: negative control (scaling and 0.24 mg of maltodextrin, n = 3), positive control (0.24 mg of maltodextrin, n = 3), and W. cibaria CMU groups (each n = 4) at low (CMU-L, 2 × 107 colony forming unit [CFU]), medium (CMU-M, 2 × 108 CFU), and high (CMU-H, 2 × 109 CFU) concentrations. After feeding with W. cibaria CMU for 6 weeks, total volatile sulfur compound concentrations in the CMU-L (2.0 plus-minus 1.04 ng/10 mL), CMU-M (2.4 plus-minus 1.05 ng/10 mL), and CMU-H (2.6 plus-minus 1.33 ng/10 mL) groups were significantly lower than in the positive control group (3.2 plus-minus 1.65 ng/10 mL). Also, CMU-L (1.4 plus-minus 0.83 ng/ 10 mL) and CMU-H (1.9 plus-minus 1.14 ng/10 mL) groups had methyl mercaptan levels lower than that in the positive control group (2.4 plus-minus 1.21 ng/10 mL) at week 2. The plaque index was significantly lower in the CMU-H group (4.5 plus-minus 0.28) than in the positive control group (5.9 plus-minus 1.08) at week 6. W. cibaria CMU could be useful as a novel oral hygiene probiotics for reducing volatile sulfur compounds production and inhibiting plaque growth in companion animals.
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