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Linking Animal Welfare and Antibiotic Use in Pig Farming-A Review

Albernaz-Goncalves, Rita and Olmos Antillón, Gabriela and Hotzel, Maria Jose (2022). Linking Animal Welfare and Antibiotic Use in Pig Farming-A Review. Animals. 12 :2 , 216
[Article Review/Survey]

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Abstract

Simple Summary Minimising stress in intensive pig farms is paramount to raising immunocompetent pigs. This entails providing the pigs with living conditions (from birth to the point of slaughter) free of pain, stress, and suffering and simultaneously providing conditions that generate positive affective states. Our review aims to study the relationship between chronic stress, illnesses, their impact on antibiotic use (AMU), and potential housing and management improvements to tackle stress and AMU. According to the literature, pigs kept in crowded, barren conditions, with poor microclimatic conditions, and subject to painful and stressful weaning practices present redirected behaviours, poor immune-competence, and weaker bodies. In turn, pigs are more vulnerable to circulating pathogens and severe secondary infections, which is conducive to high AMU for the sake of the animals' health. Simultaneously, we compiled a list of possible solutions for the current poor environment and practices, including a call for the pig industry to broaden its concept of animal welfare beyond the current biological/productivist scope. We propose that advocating for an industry with enhanced animal welfare is a crucial response to the international call to combat antimicrobial resistance and the social demand for ethically sustainable animal production. Preventative measures, such as biosecurity and vaccinations, are essential but not sufficient to ensure high standards of health in pig production systems. Restrictive, barren housing and many widely used management practices that cause pain and stress predispose high-performance pigs reared in intensive systems to disease. In this context, antibiotics are used as part of the infrastructure that sustains health and high levels of production in pig farms. Antimicrobial resistance (AMR) is a global emergency affecting human and animal health, and the use of antibiotics (AMU) in intensive livestock farming is considered an important risk factor for the emergence and spread of resistant bacteria from animals to humans. Tackling the issue of AMR demands profound changes in AMU, e.g., reducing their use for prophylaxis and ending it for growth promotion. In support of such recommendations, we revise the link between animal welfare and AMU and argue that it is crucial to sustainably reduce AMU while ensuring that pigs can live happy lives. In support of such recommendations, we aimed to revise the link between animal welfare and AMU in pigs by analysing stress factors related to housing and management and their impact on pig welfare. In particular, we reviewed critical management practices that increase stress and, therefore, pigs' susceptibility to disease and reduce the quality of life of pigs. We also reviewed some alternatives that can be adopted in pig farms to improve animal welfare and that go beyond the reduction in stress. By minimising environmental and management stressors, pigs can become more immunocompetent and prepared to overcome pathogenic challenges. This outcome can contribute to reducing AMU and the risk of AMR while simultaneously improving the quality of life of pigs and, ultimately, maintaining the pig industry's social license.

Authors/Creators:Albernaz-Goncalves, Rita and Olmos Antillón, Gabriela and Hotzel, Maria Jose
Title:Linking Animal Welfare and Antibiotic Use in Pig Farming-A Review
Series Name/Journal:Animals
Year of publishing :2022
Volume:12
Number:2
Article number:216
Number of Pages:21
Publisher:MDPI
ISSN:2076-2615
Language:English
Publication Type:Article Review/Survey
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 403 Veterinary Science > Clinical Science
Keywords:antimicrobial use, antimicrobial resistance, intensive farming, stress disease model, sustainability
URN:NBN:urn:nbn:se:slu:epsilon-p-115924
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-115924
Additional ID:
Type of IDID
DOI10.3390/ani12020216
Web of Science (WoS)000748062000001
ID Code:27273
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Dept. of Clinical Sciences
Deposited By: SLUpub Connector
Deposited On:08 Mar 2022 09:25
Metadata Last Modified:08 Mar 2022 09:31

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