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Salmonella in poultry
Poultry can become infected with many different types of salmonella; about 10 percent of all Salmonella spp. have been detected in poultry. The most important are Salmonella Typhimurium and Salmonella Enteritidis. Other serotypes frequently occurring in poultry worldwide are, for example, Salmonella Hadar, Salmonella Livingstone, and Salmonella Senftenberg. In most cases, the birds are not sick and the production is not affected. The degree of illness depends on factors of both the bacteria and the host. The bacterium’s serotype and phage type is of significance but also the type of animal, age and general health status. S.Typhimurium and S. Enteritidis may induce clinical symptoms in poultry. It is mainly in very young chickens aged up to two weeks that salmonella can cause disease and death. The symptoms may vary and include weakness, loss of appetite and poor growth. The animals are crowded close to heat sources and sit with drooping wings and their eyes closed.
Jesús Rubio, Global Marketing Manager of Calier Poultry, talks about avian salmonellosis and its immunity levels....
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Introduction Foodborne infections in humans caused by Salmonella are of primary importance around the world. Majowicz et al. [1] estimated that non-typhoidal Salmonella was the cause of 93.8 million cases of gastroenteritis, with 155.000 deaths yearly worldwide. For 2010 it was estimated that foodborne salmonellosis caused by non-typhoidal Salmonella resulted in 6.43 million Disablility-Adjusted Live Years [2]. Salmonellosis is characterized by acute onset of fever,...
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Developing effective natural solutions for animals - Liptosa: 2020 Summary and 2021 Challenges
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Héctor Leyva-Jiménez (United Animal Health) talks about a technology to process pathogen profiles to identify coinfections and help make better decisions on the farm, in this interview during IPPE 2024 in Atlanta, USA....
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Joshua Jendza (Qualitech) talks about avoiding pathogen growth while providing iron to the bird, and how iron works against Salmonella and other bacteria, during this Engormix interview....
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Effects of methionine supplement sources and crude protein on broiler performance
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A new stage begins in terms of vaccinations against Salmonella. From May 2021, Primun Salmonella E can be applied in laying the first live vaccine against Salmonella Enteritidis that has been authorized for that period. In this way, we give the respite that the producer had been asking for for a long time. The productive cycles of laying hens are getting longer and the immunity that has been given through the vaccines applied only in the rearing period, did not cover the new...
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The U.S. Poultry & Egg Association (USPOULTRY) will present “Let’s Talk Research - Current Poultry Research and Findings” as part of the 2024 International Production & Processing Expo’s (IPPE) TECHTalks on Thursday, Feb. 1. Six USPOULTRY-funded research projects completed during 2023 will be reviewed by the researchers who conducted them. The topics will focus on poultry diseases, animal welfare and food safety.
The session will kick off with an...
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INTRODUCTION Poultry meat is currently the world’s most consumed and affordable meat type among animal-source. For the coming decade, per capita consumption of poultry meat is expected to increase by 5.5% worldwide, highlighting the importance of this commodity to food security, and protein availability (1). However, consumption of contaminated poultry meat was reported to cause 20.6% of foodborne diseases in the US between 1998 and 2008, among which Salmonella spp. was one of...
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Joginder Singh Uppal, Regional Business Director, points out how Bacteriophages are an innovation for a better future...
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1. Introduction The application of antibiotics on poultry farms has been linked to the global emergence of multi-drug-resistant (MDR) bacteria in recent years (Benrabia et al., 2020; Kaonga et al., 2021). MDR bacteria can spread from food-producing animals to humans through direct contact with the food chain and the environment (Kirbis and Krizman, 2015). One-Health issues are still an important topic in the poultry industry, pre-harvest as well as post-harvest. Efforts...
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Introduction In spite of significant improvements in technology and hygienic practices at all stages of poultry production in developed countries, accompanied by advanced improvement in public sanitation, foodborne diseases remain a persistent threat to human and animal health. Foodborne diseases are still big issues of major concern in those countries. In developing countries, the need to produce sufficient food to meet the requirements of population increases, accompanied by...
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The mechanisms through which birds are protected against Salmonella Enteritidis are one of the key considerations for developing effective vaccines. Live attenuated and inactivated vaccines against avian Salmonellosis achieve different rates of protection, related mainly to the different immune...
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Jeyashree Elango (University of Delaware) Enteroids provide a 3-dimensional microenvironment of the intestine, acting as a miniature model for understanding intestinal functions and immune responses. Hence, this shows a promising application in studying disease models and drug screening, among others. Salmonella enterica serovar Typhimurium is one of the food-borne pathogens affecting human health through production animals due to contaminated meat...
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Jeyashree Elango (University of Delaware) speaks on the ability of enteroids to act as an alternative model of the chicken gut, providing a rapid way to screen antibiotic alternatives and their compatibility through the host responses against them, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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During July 3rd - 7th our Research & Development team participated in the Viruses of Microbes 2023 , which took place in Tbilisi, Georgia. Our Chief Research Officer, dr Ewelina Wójcik , presented the results of one of the recently conducted studies on the Host range...
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1. Introduction Salmonella enterica has emerged across the globe as a threat to health systems [1]. Serovars of this species can infect humans, causing diverse effects varying from typhoid fever to gastroenteritis [2]. Non-typhoidal Salmonella (NTS) is associated with millions of infections and thousands of deaths annually around the globe [3,4]. S. Typhimurium and S. Enteritidis are considered the principal serovars associated with human infections; nevertheless, S. enterica subsp....
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I. Introduction Salmonella spp. in poultry pose a serious risk for food safety. The complex nature of Salmonella infections in poultry requires a multifactorial solution. It is key to preventing Salmonella colonization throughout the entire gastrointestinal tract (GIT). Short chain fatty acids (SCFA) have been described as having beneficial effects in the upper part of the gut, whereas medium chain fatty acids (MCFA) target the lower GIT (Van Immerseel et al., 2009). Coated butyrate...
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Developing effective natural solutions for animals - Liptosa: 2020 Summary and 2021 Challenges
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Salmonella serotypes vary throughout the livestock industry. Historically Salmonella Enteritidis is not considered to be prevalent in Australian poultry flocks. As recently as 2018 a novel S. Enteritidis emerged in the industry (FSANZ, 2019). Although, there are no specific vaccines available in Australia against this serotype in poultry, the use of live attenuated Salmonella vaccines that have the potential to cross protect against several Salmonella serotypes could be a solution for the...
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Rainwater itself is generally considered clean, but it can pick up bacteria and other contaminants as it interacts with the environment. For example, if rainwater comes into contact with animal feces or contaminated soil, it can potentially carry Enterobacteriaceae bacteria and other pathogens.
Enterobacteriaceae contamination in feed can threaten animal health. Especially high protein materials, such as soy, corn, blood and bone meals are susceptible to harmful pathogens, such as Salmonella,...
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