Antimicrobial use and its association with the presence of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamases (ESBL)-producing coliforms in mastitic milk on dairy farms in the Chiba Prefecture, Japan
Food-producing animals, including dairy cattle, are potential reservoirs of antimicrobial resistance. However, there is limited data on antimicrobial use and the selection of resistant bacteria. Therefore, we investigated the association between antimicrobial use and resistance to mastitis pathogens...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-12-01
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| Series: | Heliyon |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405844022036696 |
| _version_ | 1797960914146689024 |
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| author | Masato Kikuchi Takuma Okabe Hideshige Shimizu Takashi Matsui Fuko Matsuda Takeshi Haga Kyoko Fujimoto Yuko Endo Katsuaki Sugiura |
| author_facet | Masato Kikuchi Takuma Okabe Hideshige Shimizu Takashi Matsui Fuko Matsuda Takeshi Haga Kyoko Fujimoto Yuko Endo Katsuaki Sugiura |
| author_sort | Masato Kikuchi |
| collection | DOAJ |
| description | Food-producing animals, including dairy cattle, are potential reservoirs of antimicrobial resistance. However, there is limited data on antimicrobial use and the selection of resistant bacteria. Therefore, we investigated the association between antimicrobial use and resistance to mastitis pathogens using 2016 data from milk samples collected from cows with mastitis in 134 dairy farms in Chiba Prefecture, one of the principal dairy production prefectures in Japan. We recorded the antimicrobial use and isolation of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamase (ESBL)-producing coliforms (E. coli and Klebsiella spp.), and used the antimicrobial treatment incidence (ATI; the theoretical number of animals per 1000 animal-days subjected to antimicrobial treatment) to indicate antimicrobial use on each farm. The farms in which MRS or ESBL-producing coliforms were isolated from at least one mastitic milk sample were classified as antimicrobial resistance (AMR)-positive, and those in which neither MRS nor ESBL-producing coliforms were isolated were classified as AMR-negative. The AMR-positive farms showed a significantly higher ATI (median 45.17) than AMR-negative farms (median 38.40). The results indicate that high antimicrobial usage is associated with AMR in staphylococci and coliforms isolated from mastitic milk on dairy farms in Chiba Prefecture. |
| first_indexed | 2024-04-11T00:51:26Z |
| format | Article |
| id | doaj.art-a9b55bebd4b74c3390a5f07d1b80dbb6 |
| institution | Directory Open Access Journal |
| issn | 2405-8440 |
| language | English |
| last_indexed | 2024-04-11T00:51:26Z |
| publishDate | 2022-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj.art-a9b55bebd4b74c3390a5f07d1b80dbb62023-01-05T08:40:11ZengElsevierHeliyon2405-84402022-12-01812e12381Antimicrobial use and its association with the presence of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamases (ESBL)-producing coliforms in mastitic milk on dairy farms in the Chiba Prefecture, JapanMasato Kikuchi0Takuma Okabe1Hideshige Shimizu2Takashi Matsui3Fuko Matsuda4Takeshi Haga5Kyoko Fujimoto6Yuko Endo7Katsuaki Sugiura8Chiba Prefectural Agricultural Mutual Aid Association, Chiba, Japan; Department of Veterinary Medical Sciences, Graduate School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, JapanChiba Prefectural Agricultural Mutual Aid Association, Chiba, JapanChiba Prefectural Agricultural Mutual Aid Association, Chiba, JapanChiba Prefectural Agricultural Mutual Aid Association, Chiba, JapanDepartment of Veterinary Medical Sciences, Graduate School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, JapanDepartment of Veterinary Medical Sciences, Graduate School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, JapanLaboratory of Environmental Sciences for Sustainable Development, Graduate School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, JapanLaboratory of Environmental Sciences for Sustainable Development, Graduate School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, JapanLaboratory of Environmental Sciences for Sustainable Development, Graduate School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, Japan; Nippon Institute for Biological Science, Ome, Tokyo, Japan; Corresponding author.Food-producing animals, including dairy cattle, are potential reservoirs of antimicrobial resistance. However, there is limited data on antimicrobial use and the selection of resistant bacteria. Therefore, we investigated the association between antimicrobial use and resistance to mastitis pathogens using 2016 data from milk samples collected from cows with mastitis in 134 dairy farms in Chiba Prefecture, one of the principal dairy production prefectures in Japan. We recorded the antimicrobial use and isolation of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamase (ESBL)-producing coliforms (E. coli and Klebsiella spp.), and used the antimicrobial treatment incidence (ATI; the theoretical number of animals per 1000 animal-days subjected to antimicrobial treatment) to indicate antimicrobial use on each farm. The farms in which MRS or ESBL-producing coliforms were isolated from at least one mastitic milk sample were classified as antimicrobial resistance (AMR)-positive, and those in which neither MRS nor ESBL-producing coliforms were isolated were classified as AMR-negative. The AMR-positive farms showed a significantly higher ATI (median 45.17) than AMR-negative farms (median 38.40). The results indicate that high antimicrobial usage is associated with AMR in staphylococci and coliforms isolated from mastitic milk on dairy farms in Chiba Prefecture.http://www.sciencedirect.com/science/article/pii/S2405844022036696Antimicrobial useAntimicrobial resistance (AMR)Defined daily dose (DDD)Antimicrobial treatment incidence (ATI)Dairy cattleJapan |
| spellingShingle | Masato Kikuchi Takuma Okabe Hideshige Shimizu Takashi Matsui Fuko Matsuda Takeshi Haga Kyoko Fujimoto Yuko Endo Katsuaki Sugiura Antimicrobial use and its association with the presence of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamases (ESBL)-producing coliforms in mastitic milk on dairy farms in the Chiba Prefecture, Japan Heliyon Antimicrobial use Antimicrobial resistance (AMR) Defined daily dose (DDD) Antimicrobial treatment incidence (ATI) Dairy cattle Japan |
| title | Antimicrobial use and its association with the presence of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamases (ESBL)-producing coliforms in mastitic milk on dairy farms in the Chiba Prefecture, Japan |
| title_full | Antimicrobial use and its association with the presence of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamases (ESBL)-producing coliforms in mastitic milk on dairy farms in the Chiba Prefecture, Japan |
| title_fullStr | Antimicrobial use and its association with the presence of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamases (ESBL)-producing coliforms in mastitic milk on dairy farms in the Chiba Prefecture, Japan |
| title_full_unstemmed | Antimicrobial use and its association with the presence of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamases (ESBL)-producing coliforms in mastitic milk on dairy farms in the Chiba Prefecture, Japan |
| title_short | Antimicrobial use and its association with the presence of methicillin-resistant staphylococci (MRS) and extended-spectrum beta-lactamases (ESBL)-producing coliforms in mastitic milk on dairy farms in the Chiba Prefecture, Japan |
| title_sort | antimicrobial use and its association with the presence of methicillin resistant staphylococci mrs and extended spectrum beta lactamases esbl producing coliforms in mastitic milk on dairy farms in the chiba prefecture japan |
| topic | Antimicrobial use Antimicrobial resistance (AMR) Defined daily dose (DDD) Antimicrobial treatment incidence (ATI) Dairy cattle Japan |
| url | http://www.sciencedirect.com/science/article/pii/S2405844022036696 |
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