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Antimicrobials in poultry

Antimicrobial agents are essential tools for treating and controlling bacterial infections in poultry production. Veterinarians have a huge responsibility when using antimicrobials in poultry producing meat and eggs for human consumption. The term ‘judicious use’ of antimicrobials implies the optimal selection of drug, dose and duration of antimicrobial treatment, along with a reduction in inappropriate and excessive use as a means of slowing the emergence of antimicrobial resistance. The proper use of antimicrobials depends on the knowledge of interrelationships between bacteria, antimicrobial, host and consumer. The antimicrobial groups most commonly used in poultry are the betalactams, polypeptides, aminoglycosides and aminocyclitols, macrolides and lincosamides, florfenicol, tetracyclines, sulphonamides, quinolones and fluoroquinolones and ionophores.
Greg Mathis
Southern Poultry Research, Inc.
Greg Mathis (Southern Poultry Research) explains his research on anticoccidial sensitivity and offers insights on the use of ionophores during this Engormix interview at IPPE 2025 in Atlanta, USA....
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Annie Kneedler (Chief of Party – USAID TRANSFORM at Cargill) comments on the TRANSFORM project activities and how to improve animal health through global collaboration, in this Engormix interview....
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Animal Nutrition Conference of Canada 2025
May 7, 2025
Canada - Ontario - Niagara Falls
Dr. José Linares
Ceva Animal Health
Jose Linares (Ceva Animal Health) explains how to correctly identify and prevent this contagious viral disease in this Engormix interview during IPPE 2025 in Atlanta, USA....
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Vinícius Machado dos Santos
Instituto Federal de Brasília IFB
Author details: 1 Faculty of Agronomy and Veterinary Medicine, University of Brasília, Brasília 70910-900, Brazil 2 Center for Nuclear Energy in Agriculture (CENA), University of São Paulo, São Paulo 13416-000, Brazil 3 Institute of Biological Sciences, University of Brasília, Brasília 70910-900, Brazil 4 Federal Institute of Brasília—Campus Planaltina, Brasília 73380-900, Brazil. 1....
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Evonik Animal Nutrition
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Hy-Line International
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Life Rainbow
Hangzhou DE Mark Industrial Co Ltd
Priya Chemicals
 
Discover how Dr. Sujit Kulkarni, Business Consultant for Asia-Pacific at Bextral Netherlands, is driving change in livestock health with antibiotic-free solutions. With over four decades of expertise, Bextral is leading the transition to safer, sustainable practices using advanced glyceride technologies and monoglycerides to combat pathogens and boost immunity. ...
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Dick Roele, Global Sales Director at Bextral, discusses innovative feed additive solutions that promote poultry health without antibiotics. With over 40 years of experience, Bextral specializes in organic acids, essential oils, and monoglycerides to tackle antibiotic resistance and improve performance naturally....
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Robert Swick
Robert Swick and 1 more
University of New England
University of New England
I. INTRODUCTION The meat chicken industry is growing rapidly as a result of an increasing population, relatively low production costs and excellent marketability with regards to affordability, sustainability and minimal religious restrictions. Poultry diets with lower crude protein (CP) have generated global interest from the meat chicken industry due to the benefits concluded by published literature. Low protein (LP) diets have been identified to lower feed costs, improve feed...
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INTRODUCTION Foodborne infections caused by Salmonella enterica are of primary importance worldwide. The WHO estimates that Salmonella causes more than 153 million illnesses, 120,281 deaths, and 8.27 million disability-adjusted life years annually (1). As foodstuffs can be contaminated in several parts of the food chain, a “from farm to table” approach is necessary to understand the epidemiology of Salmonella. Although Salmonella can contaminate vegetables, food-producing...
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Ronnick FONG
Hangzhou DE Mark Industrial Co Ltd
Hangzhou DE Mark Industrial Co Ltd
Ronnick Fong, Executive director at Hangzhou De Mark Industrial, talks about the florfenicol market nowadays....
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Introduction: Using low-dose antibiotics as feed additives can enhance poultry and swine performance. However, such practices have led to bacterial resistance and antibiotic residues in animal-derived foods. Consequently, there has been a shift towards finding replacements for antibiotics as growth promoters (AGPs). Among the various alternatives, organic acids have emerged as a significant option. Acidifiers have gained attention as viable alternatives to antibiotics in poultry...
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The 36th edition of the APSS will be held at The University of Sydney – Abercrombie Business School, from 10-12 February 2025. These will be some of the major themes: Layer Nutrition and Egg Quality, Broiler Nutrition, Managing Antibiotic-free Production, Sustainable use of Protein Ingredients and...
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Chengbo Yang
University of Manitoba
University of Manitoba
Antimicrobial resistance (AMR) has become a serious problem in poultry farms that can threaten both poultry and human health. An increasing number of studies have been conducted on exploring antimicrobial alternative such as essential oils (EO). The objective of this study was to evaluate the effects of encapsulated EO including cinnamaldehyde (CIN) and citral (CIT) alone or in combination (CIN+CIT) on growth performance, meat quality, gut health, and AMR phenotypes, genotypes, and virulence...
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Melina Bonato
Melina Bonato and 1 more
ICC
The antibiotics withdrawal as performance enhancers and the rational use of the therapeutic form in animal production is a pressing issue all over the world, not only from consumers but also from the scientific community and international regulatory bodies. The United States, in January 2017, banned the use of any antimicrobial substance of importance in human medicine, and large companies of fast food market adhered to free antibiotic diets production, where antibiotics are no longer used...
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Christian Vinueza
Universidad Central Del Ecuador
Universidad Central Del Ecuador
INTRODUCTION Non-typhoidal Salmonella (NTS) enterica subsp. enterica is a foodborne pathogen that causes »1.2 million infections in the United States of America (USA) annually (Scallan et al., 2011), and was responsible for more than 95 million cases of diarrheal disease and 50,771 deaths worldwide in 2017 (Stanaway et al., 2019). Human infections are usually mild and manifest as a self-limiting gastroenteritis. However, high-risk populations such as the infants, the elderly,...
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1 Introduction The emergence of multi-resistant bacteria (MDR) to antibiotics represents one of the principal global threats to public health (Murray et al., 2022). The clinicians have been considered the use of the last therapeutics options, such as vancomycin, polymyxin B, carbapenems and colistin, with low rates of success (Wang et al., 2022; Yao et al., 2023). The infections by MDR are currently associated with considerable increase in morbidity and mortality of intensive...
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Daise Rossi
Daise Rossi and 2 more
Universidade Federal de Uberlândia - Brasil
Universidade Federal de Uberlândia - Brasil
1. Introduction Recently, the interest in “green food products” based on natural compounds and minimal processing of edible products [1,2] has gained attention in determining products’ acceptance [3]. These characteristics are crucial factors that reflect the current trends and economic growth in this sector [4], which is estimated to exceed USD 13 billion by 2024, according to reports from Global Market Insights, Inc. (Selbyville, DE, USA) [5]. From this point...
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Daise Rossi
Daise Rossi and 2 more
Universidade Federal de Uberlândia - Brasil
Universidade Federal de Uberlândia - Brasil
1. Introduction Antimicrobial resistance (AMR) is one of the main global threats today, and recent reports estimate that it directly caused 1.27 million deaths in 2019 [1]. In Brazil, the National Health Surveillance Agency, through the Evaluation of National Indicators of Health Care-Related Infections (HAIs) and Microbial Resistance (MR), in the year 2021, estimated that Escherichia coli resistance to different classes of beta-lactams can reach rates of 47.5% to cephalosporins,...
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1. Introduction Campylobacter is a virulent Gram-negative bacterial genus mainly found in the intestines of poultry [1], dogs, and cats [2]. These pathogens can cause bloody diarrhea, abdominal cramps, nausea, and vomiting. In more complex cases, they can cause Guillain–Barré syndrome and death [3]. Since its first recognition, several pathogenic species of Campylobacter that cause human campylobacteriosis have been cataloged using phylogenetic tools...
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Miazzo, Raul Daniel
Universidad Nacional de Rio Cuarto - UNRC
1. Introduction In intensive broiler production, the objective is to obtain high-performance productivity at a low cost. To accomplish production goals and satisfy the increased demand for poultry meat worldwide, intense genetic selection, health, management, and nutrition programs have emerged (Peralta et al., 2016). As a major development priority for nutrition, researchers are looking for natural additives to replace antibiotic growth promoters (AGPs). The AGPs were banned since...
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Christian Vinueza
Universidad Central Del Ecuador
Universidad Central Del Ecuador
Introduction Antimicrobial resistance (AR) is a worldwide concern. It is expected that deaths linked to AR could rise from 700,000 to 10 million deaths per year by 2050[1]. On the other hand, In developed countries, an estimated 23,000 (United States) to 25,000 (Europe) deaths are attributable to resistant pathogens each year [2]. In terms of economic loses, AR could cause a global loss of production as high as 100 trillion dollars which represents a huge impact on the economy...
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