Antimicrobial Use Indices-The Value of Reporting Antimicrobial Use in Multiple Ways Using Data From Canadian Broiler Chicken and Turkey Farms

Frontiers in Veterinary Science
Agnes AgunosRichard J Reid-Smith

Abstract

We have previously described the importance of using multiple indicators for reporting national farm-level antimicrobial use (AMU) information, but the distribution of flock-level AMU and how these indicators relate to each other has not yet been fully explored. Using farm-level surveillance data (2013-2019), for broiler chickens (n = 947 flocks) and turkeys (n = 427), this study aims to (1) characterize flock-level AMU and identify high users, (2) identify appropriate AMU indicators and biomass denominator [population correction unit (PCU) vs. kg weight at pre-slaughter], and (3) make recommendations on the application to veterinarian-producer and national-level reporting. Diverse AMU patterns were identified in broiler chickens (156 patterns) and turkeys (68 patterns); of these, bacitracin, reported by 25% of broiler chicken and 19% of turkey producers, was the most frequently occurring pattern. Depending on the indicator chosen, variations in reported quantity of use, temporal trends and relative ranking of the antimicrobials changed. Quantitative AMU analysis yielded the following results for broiler chickens: mean 134 mg/PCU; 507 number (n) of Canadian (CA) defined daily doses (DDDvet) per 1,000 chicken-days and 18 nDDDvet...Continue Reading

References

Mar 31, 2012·Preventive Veterinary Medicine·Davy PersoonsFreddy Haesebrouck
Jun 29, 2017·PloS One·Agnes AgunosRichard J Reid-Smith
Aug 6, 2019·Frontiers in Veterinary Science·Angelina L BosmanDavid F Léger
Dec 24, 2019·Frontiers in Veterinary Science·Agnès Waret-SzkutaDidier Raboisson
Mar 7, 2020·Animals : an Open Access Journal From MDPI·Jacopo TarakdjianGuido Di Martino

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