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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.
Introduction Medication costs in the poultry industry (excluding vaccination costs) can account for up to 1% of the total production cost. This amount may not seem significant, however, when we talk about cash flow and investment from a business perspective, we can measure that it represents thousands of dollars, whose profitability often falls on the production unit manager and the person responsible for managing medications. In a layer hen business unit, for every 1 million layer...
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The livestock industry is currently confronted with stringent regulations limiting the use of antibiotics, along with growing challenges from resistant pathogenic bacteria. These factors have prompted an urgent need to seek alternative strategies that can effectively promote animal health and optimize feed...
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Transforming Poultry Farming in India with Srinivasa Farms and Hy-Line
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Editorial
This month, our comprehensive search captured 74 new publications in poultry nutrition from 61 journals (March 10th to April 10th, 2025, Web of Science), featuring top contributions from Poultry Science (6), Frontier in Veterinary Science(6), Animals (5), Veterinary Medicine and Science (5), etc. ( Download the complete list...
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1. Introduction The surface of eggshells can be contaminated by bacteria such as Escherichia coli and Staphylococcus spp., which may account for 84% and 77% of the present Gram-negative and Gram-positive bacteria, respectively [1]. In addition to antibiotic resistance [1], Escherichia coli and Staphylococcus spp. (e.g., Staphylococcus aureus) may also be associated with the death of chicken embryos [2,3]. Eggs appear to be quite vulnerable to several threats, even biofilm...
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Caio Tellini (Technical Department Manager, Safeeds Animal Nutrition) shares his research on a gut-targeted blend of essential oils and organic acids, and its effect on broilers' diets in this Engormix interview. ...
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Selective Elimination vs Competitive Exclusion: The Future of Antibiotic Alternatives in Food Animal Production As antimicrobial resistance (AMR) continues to threaten both public and animal health, the food animal industry is urgently shifting towards sustainable alternatives to antibiotics. Two promising strategies have emerged: Selective Elimination using bacteriophages or phage lysins and Competitive Exclusion using probiotics. Both methods target harmful bacteria but...
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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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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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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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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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Lighting as a Strategic Tool for Optimizing Poultry House Performance
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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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Technical Advances in Vitamin Physical Properties and Premix Performance
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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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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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FIGAP 2026: The Scientific And Technological Exhibition Of The Livestock Industry
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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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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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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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