129 The global threat of antimicrobial resistance_science for intervention (Research report – Roca, 2015)

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129 Research report – Roca – 2015 – The global threat of antimicrobial resistance_science for intervention

AMU reduction strategies \ Monitoring and surveillance; Antibiotic use; Prudent use AB
Species targeted: Other;
Age: Different for different species;
Summary: The current threat of antimicrobial resistance plus the need to control it and find alternatives to currently used antimicrobial products has prompted the different stakeholders to take action in integrating research and public health, maintaining and promoting national and international antimicrobial resistance (AMR) research communities. In summary, the following measures can be taken to prevent emergence and spread of AMR: rational antibiotic’s use, implementing infection control measures at farm level, developing strategies to mitigate the risks for environment of antimicrobial residues, having rapid tests for diagnosis of infections, promotion of research on prevention and surveillance of AMR and developing novel antimicrobial strategies and agents, improving general and public awareness of responsible antibiotic use and risks associated to increased AMR.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4446399/; https://doi.org/10.1016/j.nmni.2015.02.007

Country: ES, TR, FR, UK, BE, NL, SE, DK, US, IT, IE, MZ, DE, CH,

128 Herd-specific interventions to reduce antimicrobial usage in pig production without jeopardising technical and economic performance (Research paper – Collineau – 2017

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128 Research paper – Collineau – 2017 – Herd-specific interventions to reduce antimicrobial usage in pig production without jeopardising technical and economic performance

Biosecurity \ Pathogen management
Species targeted: Pigs;
Age: Young; Adult;
Summary: Pig farmers are strongly encouraged to reduce their antimicrobial usage in order to reduce the risk of antimicrobial resistance. Herd-level intervention is needed to achieve reduction targets. The objective of this study was to asses feasibility, effectiveness and return on investment these interventions aiming at reducing antimicrobial usage in pig production. An intervention study was conducted in 70 farrow-to-finish pig farms located in Belgium, France, Germany and Sweden. Following interventions, a reduction in antimicrobial use was achieved without negative impact on the technical performance. Mortality in suckling piglets, weaners and fatteners, daily weight gain and feed conversion ratio did not significantly change during the study, while the number of weaned piglets per sow per year slightly increased. Median change in net farm profit was overall positive. Costs of alternative measures are therefore not a barrier, but an opportunity to optimize production practices for sustained productivity and improved animal health.

https://www.ncbi.nlm.nih.gov/pubmed/28716198; https://doi.org/10.1016/j.prevetmed.2017.05.023

Country: BE; CH; FR; SE; DE; DK;

127 Factors associated with specific health welfare and reproductive performance indicators in pig herds from five EU countries (Research paper; Chantziaras, 2018)

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127 Research paper – Chantziaras – 2018 – Factors associated with specific health welfare and reproductive performance indicators in pig herds from five EU countries

Housing and welfare \ Weaning age and management; Pathogen management
Species targeted: Pigs;
Age: Young; Adult;
Summary:
Production diseases are often the result of interactions between many factors. The focus of this study was to identify specific environment-related factors and to discuss their associations with health, welfare and reproductive performance in sows and piglets, in diverse systems using data from 130 farms from five EU countries. Eight parameters were selected from this data, four related to sow reproductive performance (litter index, replacement rate, repeat breeding (i.e. failure to breed after one mating), weaning to first mating interval) and the remaining four to litter / piglet health performance (piglets born alive per litter, piglets born dead per litter, preweaning mortality rate and weaned piglets per litter). Data analysis showed that factors related to applying good farm and health management, and optimal housing conditions were found to have a positive effect on various sow and piglet performance parameters.

Where to find the original material: https://www.sciencedirect.com/science/article/pii/S0167587718303908; https://doi.org/10.1016/j.prevetmed.2018.09.006
Country: BE; DE, DK; FI; 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

110 Presence of Antimicrobial resistance and antimicrobial use in sows are risk factors for antimicrobial resistance in their offspring (Research paper; Callens, 2015)

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110 Research paper – Callens – 2015 – Presence of Antimicrobial resistance and antimicrobial use in sows are risk factors for antimicrobial resistance in their offspring

110 Research paper
Presence of Antimicrobial resistance and antimicrobial use in sows are risk factors for antimicrobial resistance in their offspring
by Callens, B., Faes, C., Maes, D., Catry, B., Boyen, F., Francoys, D., de Jong, E., Haesebrouck, F. and J. Dewulf. 2015 Microbial Drug Resistance 21: 50-58
In Significant Impact Groups: Prudent use AB \
Species targeted: Pigs;
Age: Young; Adult;
Summary: This study investigated the association between presence of resistant E. coli bacteria (apparently healthy) sows had an effect on increased resistance in E. coli bacteria in piglets. Sixty sows from three herds and three of their piglets were sampled at several time points. Antimicrobial usage data during parturition and farrowing were collected. Results show that antimicrobial resistance in piglets was influenced by antimicrobial use in sows and piglets and by the sow resistance level. In conclusion, the current results suggest that sows act as a reservoir for their newborns and that the administration of antimicrobial agents to sows during lactation is a risk factor for the persistence of resistant E. coli not solely for the sows, both also for their newborn. Also, the administration of antimicrobials in the piglets also leads to increase of resistant bacteria in the piglets during lactation.
110 Research paper – Callens – 2015 – Presence of Antimicrobial resistance and antimicrobial use in sows are risk factors for antimicrobial resistance in their offspring
Country: BE

75 Macrolides and lincosamides in cattle and pigs: Use and development of antimicrobial resistance (Research paper; Pyorala, 2014)

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Significant Impact Group(s): Prudent use AB ; AMU reduction strategies
Species targeted: Pigs; Dairy; Beef;
Age: Young; Adult;
Outcome Parameter(s): Antimicrobial resistance to macrolides; Antimicrobial resistance to lincosamides; Antimicrobial use of macrolides; Antimicrobial use of lincosamides
Summary: Macrolides and lincosamides (ML) are important antimicrobials for the treatment of infections in cattle and pigs, although rarely the only alternative. The most common indications for ML are the treatment of major swine gastrointestinal and respiratory infections and of bovine respiratory disease. There are quite a large number of old products containing ML in the EU, and updating and harmonising the dosing regimens of these products are necessary. Acquired resistance to ML antimicrobials has emerged, with the greatest increase in resistance in Brachyspira. In-feed medications and long-acting injections resulting in low concentrations of the active substance for long periods may particularly contribute to the development of antimicrobial resistance. Macrolides are considered as critically important and lincosamides as highly important in human medicine, although mostly for non-food-borne infections. Prudent use of ML antimicrobials approved for food animals is of crucial importance to maintain the efficacy of these important therapeutic alternatives.
75 Research paper – Pyorala- 2014 – Macrolides and lincosamides in cattle and pigs_ Use and development of antimicrobial resistance
Where to find the original material:
https://www.sciencedirect.com/science/article/pii/S1090023314000823; http://dx.doi.org/10.1016/j.tvjl.2014.02.028
Country: FI, DK, BE, NL, SE, ES, PT, LT, FR, UK,

75 Research paper – Pyorala- 2014 – Macrolides and lincosamides in cattle and pigs_ Use and development of antimicrobial resistance

66 Mastitis prevention and therapy for sustainable dairy production (Research report)

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Significant Impact Group(s): Pathogen management \ Managing sick animals \ Targeted use of antibiotics ; AMU reduction strategies
Species targeted: Dairy;
Age: Adult;
Outcome Parameter(s): Udder health
Summary: Bad udder health management threatens human health due to zoonotic or antimicrobial resistant pathogens adapting to different environments. Mastitis prevention is essential in an effective and sustainable dairy production system. High quality milk with low SCC is crucial for product quality for the processing industry (cheese making). This will result in a reduction of food loss and food waste by producers, processors and consumers. Mastitis is one of the most frequent and important diseases in bovine milk production with high antimicrobial usage and a source of creating a potential acceleration on the emergence of antimicrobial resistance. The presented results will discuss data collected at country level on mastitis therapy and examine strategies to improve udder health for a sustainable dairy production.
66 Research report – Osteras – 2019 – Mastitis prevention and therapy for sustainable dairy production
Where to find the original material:
https://www.researchgate.net/profile/Maria_Sanchez_Mainar/publication/337363922_Mastitis_Prevention_and_Therapy_for_Sustainable_Dairy_Production/links/5dd410dd458515cd48abdc19/Mastitis-Prevention-and-Therapy-for-Sustainable-Dairy-Production.pdf;
Country: BE

66 Research report – Osteras – 2019 – Mastitis prevention and therapy for sustainable dairy production

46 GERM MAP free colostrum by Flandres Animal Health (Farm Innovation)

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Significant Impact Group(s): Feed / gut health \ Early feeding (colostrum/feed) – Early feeding (colostrum/feed)
Species targeted: Dairy;
Age: Young;
Summary: Survey about colostrum:
When colostrum is infected with Mycobacterium avium subsp. paratuberculosis (MAP), 90% of the germs can be eliminated on-farm using a curdling process. When an externally-located centrifugation treatment is used, this rate increases to 98%. Both methods keep the required amounts of life-sustaining bioactive proteins while the prevention of intestinal infections is strongly reduced.
From the project results, it appears that farmers whose cattle have a limited infection can treat their colostrum on farm. For heavier infections external treatment is recommended.
46 Farm Innovation – GERM MAP free colostrum by Flandres Animal Health
Where to find the original material: (in English)
https://www.ilvo.vlaanderen.be/language/en-US/EN/Press-and-Media/Newsletter/Survey/articleType/ArticleView/articleId/3927/Germ-free-colostrum-Reduction-of-Mycobacterium-avium-subsp-paratuberculosis-MAP-in-cow-colostrum.aspx#.XodPp4gzZPZ;
Country: BE

46 Farm Innovation – GERM MAP free colostrum by Flandres Animal Health

43 PDCA by Inagro ILVO (Farm innovation)

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Significant Impact Group(s): Biosecurity ; Pathogen management
Species targeted: Dairy;
Age: Adult;
Outcome Parameter(s): Effects social and/or public health positively.
Summary: This demonstration project is executed by Inagro in cooperation with ILVO. PDCA (which means: Plan Do Check Act) for dairy farmers is its main topic. With the PDCA-principle a dairy farmer can develop a list with action point to work on, focused on colostrum- and transition management. Together with the farm veterinarian, advisors and other important people they create a strength-weakness overview of a farm. Based on this overview the farmer starts working with the PDCA-principle.
43 Farm Innovation – PDCA by Inagro ILVO
Where to find the original material: (in Dutch)
Country: BE

43 Farm Innovation – PDCA by Inagro ILVO

42 Antibiotic guidance by AMCRA (Farm Innovation)

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Significant Impact Group(s): AMU reduction strategies ; Pathogen management
Species targeted: Pigs; Poultry; Dairy; Beef; Sheep;
Age: Young; Adult;
Outcome Parameter(s): Effects social and/or public health positively.
Summary: Monitoring and use of antibiotics – Current situation and recommendations for the future:
Advices and legislation are discussed on this website, by providing PDF’s with information per theme. Due to the extent of these documents, reference is made to the website. Topics which are discussed vary from “Advice: use of humanly licensed antibiotics in animals” to “Advice: measures towards responsible antibiotic use in racing pigeons” and many more.
42 Farm Innovation – Antibiotic guidance by AMCRA
Where to find the original material: (in Dutch)
https://www.amcra.be/nl/adviezen-en-wetgeving;
Country: BE

42 Farm Innovation – Antibiotic guidance by AMCRA