116 Information note on antibiotic resistance and the responsible use of antibiotics in farm animals by RUMA (Industry Innovation)

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116 Industry Innovation – INFORMATION NOTE ON ANTIBIOTIC RESISTANCE AND THE RESPONSIBLE USE OF ANTIBIOTICS IN FARM ANIMALS by RUMA

In Significant Impact Groups: AMU reduction strategies \ Monitoring and surveillance Antibiotic use Prudent use AB
Species targeted: Pigs; Poultry; Dairy; Beef; Sheep;
Summary:
The Responsible Use of Medicines in Agriculture Alliance (RUMA) is an alliance of over 26 industry organisations representing every stage of food production from “farm to fork”. See www.ruma.org.uk/about/ruma-members for full list of current member organisations. RUMA aims to promote a co-ordinated and integrated approach to best practice in the use of medicines for farm animals. RUMA provides free guidance to farmers and vets on the responsible and effective use of medicines in agriculture. Responsible use of antibiotics on farms means using antibiotics as little as possible and as much as necessary. Regardless of the farming system, the focus for improved animal husbandry should include improved biosecurity practices and on-going vet and farmer training on disease prevention and the responsible use of antibiotics.

https://www.ruma.org.uk/wp-content/uploads/2020/04/RUMA-NOTE-ON-AMR-AND-THE-RESPONSIBLE-USE-OF-ANTIBIOTICS-IN-FARM-ANIMALS-Final-updated-130420-1;
Country: UK

112 Effect of Antimicrobial Consumption and Production Type on Antibacterial Resistance in the Bovine Respiratory and Digestive Tract (Research paper; Catry, 2016)

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112 Research paper – Catry – 2016 – Effect of Antimicrobial Consumption and Production Type on Antibacterial Resistance in the Bovine Respiratory and Digestive Tract

112 Research paper
Effect of Antimicrobial Consumption and Production Type on Antibacterial Resistance in the Bovine Respiratory and Digestive Tract
by Catry, B., Dewulf, J., Maes, D., Pardon, B., Callens, B., Vanrobaeys, M., Opsomer, G., de Kruif, A. and F. Haesebrouck. 2016 PLOS ONE 11: e0146488 (16p.)
In Significant Impact Groups: AMU reduction strategies \ Monitoring and surveillance Antibiotic use
Species targeted: Dairy; Beef;
Age: Young; Adult;
Summary: The relationship between antimicrobial use and the occurrence of antimicrobial resistance in cattle was investigated in this study. Three types of production system were investigated for 2 years, for a total of 25 herds: 10 dairy, 10 beef, and 5 veal herds. Two different types of bacteria were sampled for the monitoring of intestinal and nasal resistance. The use of antimicrobials was recorded on 15 of these farms (5 of each production type). Antimicrobial resistance rates for 12 antimicrobial agents demonstrated large differences between intensively reared veal calves and more extensively reared dairy and beef cattle. Data analysis showed a strong relation between intensity of antimicrobial use and increased resistance. Antimicrobials given in orally in low doses and antimicrobials used preventively as group medication promoted the rise of multi-drug resistance in bacteria from the digestive and respiratory system.

Country: BE

111 Prophylactic and metaphylactic antimicrobial use in Belgian fattening pig herds (Research paper; Callens, 2012)

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111 Research paper – Callens – 2012 – Prophylactic and metaphylactic antimicrobial use in Belgian fattening pig herds

111 Research paper
Prophylactic and metaphylactic antimicrobial use in Belgian fattening pig herds
by Callens, B., Persoons, D., Maes, D., Laanen, M., Postma, M., Boyen, F., Haesebrouck, F., Butaye, P., Catry, B. and J. Dewulf. 2012 Preventive Veterinary Medicine 106: 53-62
In Significant Impact Groups: AMU reduction strategies \ Monitoring and surveillance Antibiotic use
Species targeted: Pigs;
Age: Young; Adult;
Summary: The guidelines for prudent use of antimicrobials are not yet implemented in Belgium. Between January and October 2010 data antimicrobial use was collected retrospectively on 50 closed pig herds. An overall higher use of prophylactic antimicrobial group level therapy was recorded in 2010 compared to 2003. This shift was marked by a partial yet substantial replacement of older, orally administered compounds by new injectable long acting products. The most frequently used antimicrobials orally applied to groups of pigs were colistin (30.7%), amoxicillin (30.0%), trimethoprim-sulfonamides (13.1%), doxycycline (9.9%) and tylosin (8.1%). The most frequently applied injectable antimicrobials were tulathromycin (45.0%), long acting ceftiofur (40.1%) and long acting amoxicillin (8.4%). Injectable products were generally overdosed (79.5%), whereas oral treatments were often under dosed (47.3%). In conclusion, this study shows that preventive group treatment was applied in 98% of the visited herds and often includes the use of critically important and broad-spectrum antimicrobials.

Country: BE

108 Guidance on the Selection of Appropriate Indicators for Quantification of Antimicrobial Usage in Humans and Animals (Research paper; Collineau, 2016)

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108 Research paper – Collineau – 2016 – Guidance on the Selection of Appropriate Indicators for Quantification of Antimicrobial Usage in Humans and Animals

108 Research paper
Guidance on the Selection of Appropriate Indicators for Quantification of Antimicrobial Usage in Humans and Animals by Collineau, L., Belloc, C., Stärk, K.D., Hémonic, A., Postma, M., Dewulf, J. and C. Chauvin. 2016 Zoonoses and public health 64: 165-184
In Significant Impact Groups: AMU reduction strategies \ Monitoring and surveillance Antibiotic use
Species targeted: Pigs; Poultry; Dairy; Beef;
Summary: To quantify antimicrobial usage various types of measures are available. These are here referred to as indicators of antimicrobial use. These range from sales, deliveries or reimbursement data in human and veterinary medicine. Still, results can differ substantially depending on the method used. The best way to select the appropriate indicators of antimicrobial usage, is important to first determine the objective of the study. If the goal is compare groups (or populations), it is preferable to use standard parameters. However, to measure exposure it is better to use actual (non-standardized) parameters. There are several issues associated with the choice of indicators for antimicrobial use. These are further discussed in this article.

Where to find the original material: https://onlinelibrary.wiley.com/doi/full/10.1111/zph.12298; https://doi.org/10.1111/zph.12298

Country: FR

107 Impact of slurry and manure management on the degradation of antibiotics (Research paper; Levasseur, 2015)

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107 Research paper – Levasseur- 2015 – Impact of slurry and manure management on the degradation of antibiotics

107 Research paper
Impact of slurry and manure management on the degradation of antibiotics
by Levasseur, P. and A. Hémonic. 2015 Cahiers de l’IFIP 2: 27-48
In Significant Impact Groups: AMU reduction strategies \ Monitoring and surveillance Antibiotic use
Species targeted: Pigs; Poultry; Dairy; Beef; Sheep;
Age: Young; Adult; Different for different species;
Summary: Research shows that the antibiotics most often found in livestock manure are tetracyclines, sulphonamides, macrolides, quinolones and fluoroquinolones. These will later on end up and which end up in the environment. This paper reviews the ways in which antibiotics can be removed during the main possibilities of slurry management: from administration to the animal to the soil after spreading. Animals discharge 30–90% of administered antibiotics unchanged or as active metabolites. During storage, most antibiotics form complexes with soluble organic matter and remain fairly stable. After spreading, soil can have some protective effect. Treatment processes can remove antibiotics, especially composting. Wastewater treatment by activated sludge and anaerobic digestion can also reduce antibiotic contamination. In order to estimate the real risk of resistance, is is still necessary to link these results with the occurrence of resistant bacteria and genes in various compartments (livestock manure, water and soil).
Country: FR

Voluntary livestock health care programmes – example of Naseva in Finland

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Finland is free from the major infectious cattle diseases like enzootic leukosis, brucellosis, bovine tuberculosis and infectious bovine rhinotracheitis (IBR). The prevalence of infections like salmonella, EHEC, BVD, trichophytosis, paratuberculosis etc. is also very low.

In addition to legal requirements, Finland has a widely used voluntary e-register, Naseva, to monitor healthcare on cattle farms. The developing project was a joint operation of farmers, meat and milk industry, veterinarians, advisors, research institutes and authorities.

The system ensures that all member farms have healthcare contracts with a veterinarian. The contract includes regular visits to the farm. In the contract, the farmer authorizes the access of the veterinarian to farm data. Information collected in the register includes a Health Care Contract and a Management Plan including health status and production data of the herd. Among other things, the farm is obliged to systematically monitor the yield and animal health. All drugs and treatments administered to the animals may also be recorded in the Naseva register. The Management Plan must be renewed by the veterinarian once a year in connection with a farm visit.

This kind of approach allows farmers to engage, on a voluntary basis, in a process that will lead to a better situation on the farm in terms of animal health and welfare and consequently reduce the need for antibiotics use.

The address of the register is www.naseva.fi

89 KalfOK by ZuivelNL (Industry Innovation)

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Significant Impact Group(s): AMU reduction strategies \ Monitoring and surveillance \ Disease/health ; Pathogen management
Species targeted: Dairy;
Age: Young;
Outcome Parameter(s): use of antibiotics; health status
Summary: CalfOK provides insight into the rearing of all calves born on the dairy farm. It stimulates to improve the health and welfare of calves. Since 2018, every dairy farmer can request the CalfOK score of his company, if the necessary authorizations have been issued via his dairy company. Figures from MediRund, I&R, Rendac and Qlip come together, from which the key figures arise. Dairy companies promote the use of KalfOK through quality and sustainability programs. CalfOK is composed of data on births and rearing, the use of antibiotics in calves and the company health status. In total there are 12 key figures each company can score a maximum of 100 points. The result provides insight into the quality of calf rearing at the individual dairy farm, and also makes a comparison with other companies possible. Dairy farmers are required to view the CalfOK score to issue authorizations through their dairy company.
89 Industry Innovation – KalfOK by ZuivelNL
Where to find the original material: (in Dutch)
https://www.nieuweoogst.nl/nieuws/2018/12/28/kalfok-begint-te-leven-bij-veehouders;
Country: NL

89 Industry Innovation – KalfOK by ZuivelNL

83 Storage of prescription veterinary medicines on UK dairy farms: a cross-sectional study (Research paper; Rees, 2019)

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Significant Impact Group(s): AMU reduction strategies \ Monitoring and surveillance \ Antibiotic use ; Prudent use AB
Species targeted: Dairy;
Age: Young; Adult;
Outcome Parameter(s): Quantity of antimicrobial stored
Summary: Many studies measure antimicrobial use on dairy farms, but little is known about the quantity and the way antimicrobials are stored on farms. The majority of prescription treatments occur without a veterinarian being present, however the association between use of these treatments and farmer decision making is still unclear. To better understand this situation, data were collected from 27 dairy farms in England and Wales. Antimicrobials were the group of medicines most commonly stored. It was common to find expired medicines and medicines not licensed for use in dairy cattle, and of antimicrobials considered critical. The medicine resources available to farmers are likely to influence their treatment decisions; so, finding medicines present in farms can give an idea of what motivates farmers to choose use certain types of medicines. The results are also helpful for policy makers and researchers to get a better understanding of patterns of medicine use.
83 Research paper – Rees – 2019 – Storage of prescription veterinary medicines on UK dairy farms_ a cross-sectional study
Where to find the original material:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6589450/; https://doi.org/10.1136/vr.105041
Country: UK

83 Research paper – Rees – 2019 – Storage of prescription veterinary medicines on UK dairy farms_ a cross-sectional study

80 Antimicrobial consumption on Austrian dairy farms: an observational study of udder disease treatments based on veterinary medication records ( Research paper; Firth, 2017)

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Significant Impact Group(s): AMU reduction strategies \ Monitoring and surveillance \ Antibiotic use ; Pathogen management
Species targeted: Dairy;Beef;
Age: Young;Adult;
Outcome Parameter(s): Antimicrobial use; Udder health
Summary: Since 2015, veterinarians have been required by law to report antimicrobials dispensed to farmers for use in food-producing animals. The study presented here collected data on antimicrobials dispensed to farmers and those administered by veterinarians.
Results show that dairy cattle in the study population in Austria were treated with antimicrobial agents at a relatively low and infrequent defined daily dose rate. The most frequently used antimicrobial group with respect to mastitis treatments was the beta-lactams, primarily penicillins, with third and fourth generation cephalosporins the most commonly used highest priority critically important antimicrobials with respect to both the proportion of herds treated and the number of defined daily doses administered per cow and year.
80 Research paper – Firth – 2017 – Antimicrobial consumption on Austrian dairy farms_ an observational study of udder disease treatments based on veterinary medication records
Where to find the original material:
https://peerj.com/articles/4072/; https://doi.org/10.7717/peerj.4072
Country: AT

80 Research paper – Firth – 2017 – Antimicrobial consumption on Austrian dairy farms_ an observational study of udder disease treatments based on veterinary medication records

77 Quantitative analysis of antimicrobial use on British dairy farms (Research paper; Hyde, 2017)

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Significant Impact Group(s): AMU reduction strategies \ Monitoring and surveillance \ Antibiotic use
Species targeted: Dairy;
Age: Adult;
Outcome Parameter(s): Antimicrobial use
Summary: Levels of antimicrobial usage (AMU) within the livestock industry have been cause of concern in connection to antimicrobial resistance. In order to identify factors associated with high AMU and set threshold for antimicrobial use (benchmarks) for dairy cattle AMU, data was gathered from 358 dairy farms using different types of methods.
Data analysis indicated that usage of antibiotics via oral and footbath routes increased the odds of a farm being part of the top antimicrobial users. While dairy cattle farm AMU was apparently lower than UK livestock average, some farms had extremely high AMU. Identification of these high use farms may be effective in targeting AMU reduction strategies and help reduce overall dairy cattle AMU.
77 Research paper – Hyde – 2017 – Quantitative analysis of antimicrobial use on British dairy farms
Where to find the original material:
https://veterinaryrecord.bmj.com/content/vetrec/early/2017/12/06/vr.104614.full.pdf; https://doi.org/10.1136/vr.104614
Country: UK

77 Research paper – Hyde – 2017 – Quantitative analysis of antimicrobial use on British dairy farms