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Bacterial diseases in poultry
Bacterial diseases comprise approximately half of the non–outbreak-related mortality in broiler breeders and commercial layers. During the first week of a broiler's life, approximately 50% of the mortality may be caused due to bacterial infections. Outbreaks due to bacterial infections may increase the mortality dramatically and in some cases almost eradicate flocks. E. coli and Gram-positive cocci infections are responsible for mortality and production losses in poultry of all age groups and all production systems and may be regarded as multifactorial. Subsequently, efforts in understanding and controlling these infections are highly important. Although necrotic enteritis is primarily a disease affecting young chickens, this infection is of major significance in any production system. Besides increased mortality, the production losses observed in subclinical infections may be dramatic.
Introduction High levels of production and efficient feed conversion are the need of the modern livestock industry which to a certain extent could be achieved by using specific feed additives. Feed additives are of great interest in the poultry industry due to their property to promote growth and performance. Common feed additives used in poultry diets include antibiotics, antioxidants, emulsifiers, binders, pH control agents and enzymes. Antibiotic feed additives as growth...
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Avian Influenza (AI), commonly known as bird flu, is a highly contagious viral disease affecting poultry and other birds. It poses a serious threat to the poultry industries, causing significant economic losses due to high mortality rates, trade restrictions, and culling measures. The disease is particularly...
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May 7, 2025
Canada - Ontario - Niagara Falls
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Introduction Coccidiosis is one of the most devastating parasitic diseases in the poultry industry, causing annual losses exceeding $15 billion worldwide. It is caused by various species of protozoa from the Eimeria genus , which affect the digestive tract of birds, reducing feed efficiency, weight gain,...
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As temperatures drop in fall and winter, respiratory diseases in poultry become more prevalent, creating serious challenges to the livestock industry. These diseases can lead to lower productivity, higher mortality rates, and increased costs for farmers. This article will explore the causes, symptoms, and treatment...
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From Market to Meal: A Guide to Safe Chicken Handling Author: A.Ashraf Chicken is a staple in many diets worldwide, prized for its versatility, affordability, and nutritional value. However, handling and storing broiler chicken improperly can lead to contamination by harmful pathogens, posing serious health risks. Whether you’re buying live chicken, fresh cuts, or frozen meat, understanding the risks and taking proper precautions is essential to ensure safety and maintain...
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Adnan Alrubaye (University of Arkansas) explains this disease, also known as BCO Lameness. He comments on different mitigation methods and his research collaboration with companies, in this Engormix interview....
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Nipun Gupta, Managing Director at Innova Biotechnology, shares how his startup is pioneering alternatives to antibiotics and chemicals. Discover their impact on India’s animal and human health sectors, addressing AMR and driving sustainable solutions....
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Christian Lückstädt, Technical Director at ADDCON, speaks about the impact Acidomix DF+ in the Indian Market...
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Coccidiosis is a widespread parasitic disease that can seriously harm the livestock industry, especially affecting poultry and swine. This disease causes inflammation of the intestines, slower growth rates, and in severe cases, high mortality. In this article, we will discuss the causes, symptoms, and treatment options for...
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Will New Version of GMP Boost the Veterinary Drugs Industry?
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1. Introduction Poultry refers to avian species (e.g., Gallus gallus domesticus—chicken; Anas platyrhynchos domesticus—duck) housed in a diversity of production systems (e.g., organic, free-range and conventional structures) that are dedicated to the production of poultry products, specifically chicken meat and table eggs for human consumption and eggs hatching for reproduction [1,2]. Bacterial contamination in poultry can be initiated by ingestion of contaminated feed or...
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1. Introduction S. Infantis currently ranks among the top 10 serovars associated with human infections, standing as the fourth leading cause of salmonellosis cases in the EU [1]. Recent data from the European Food Safety Authority (EFSA) indicated that 95.6% of the Salmonella isolates in broiler flocks belong to the Infantis serovar, demonstrating a close association with poultry production [2]. In recent years, the increasing incidence of S. Infantis infections in both humans...
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Dear my colleagues I would be grateful if somebody tell me-
1- the advantage of mycoplasma gallisepticum ts-11 vaccine
2- its limitations
3-duration of immunity and when to count it from start of injection , onset of immunity or when the vaccine reach its peak
regard...
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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 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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Effects of superdoses of phytase on peaking Hy-Line W-36 laying hen egg production and egg quality
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Biosecurity may be defined as protection from pathogens or disease. This may include the separation of the flock from living vectors or inanimate objects called fomites. While prevention of host-specific and zoonotic diseases is important, the commercial poultry industry is already preoccupied with the challenges of day-to-day operations. The purpose of this project was to illustrate how surfaces that may seem clean are heavily contaminated with microorganisms that may be responsible for...
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Calier presents the authorization for broilers of its Primun Salmonella T vaccine against S. Typhimurium at the European Poultry Congress
In addition to the authorization for long-cycle poultry and broiler chickens, Primun Salmonella T also has a differential diagnosis of the vaccine strain by PCR
Calier has presented the authorization of its Primun Salmonella T vaccine for broilers before...
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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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With this post, a general introduction to the disease, we start a series of articles about avian colibacillosis. Colibacilosis is one of the most common infectious bacterial diseases in the poultry industry and one of the main causes of economic loses. Such losses are caused by...
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