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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.
Salmonella, Campylobacter, Escherichia coli and Clostridium, the most concerning microorganisms Introduction: Importance of food safety The food industry is paying a lot of attention to avoid the presence of...
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I. INTRODUCTION Salmonella serovars can invade the host by inducing their own uptake into intestinal epithelial cells. This uptake is induced by virulence proteins delivered into cytoplasm of infected cells by a specialized mechanism known as type III protein secretion system (TTSS) (Bertelsen et al., 2003). These proteins activate signaling pathways involved in cytoskeleton rearrangements and cellular uptake processes (Galán and Zhou, 2000). Besides facilitating...
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Supplemental Bacillus subtilis DSM 32315 modulates intestinal structure, microbial composition and improve the performance in broiler chickens
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Manuel Da Costa (Zoetis) explained the advantages of a live vaccine for Salmonella in cases of poor gut health, during IPPE 2020 in Atlanta, USA....
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1. Introduction As reported by the World Health Organization (WHO), salmonellosis is taking third place among foodborne diseases in humans, causing death. In European Union, Salmonella Infantis has been ranked among five most prevalent infection-causing serovars in humans [1]. Unlike S. Enteritidis, S. Infantis serovar tends to develop multidrug resistant phenotype more often. It has been recognized as a persistent clone,...
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1. Introduction Contamination with Salmonella affects an estimate of 20% of poultry meat [1]. This pathogen has the ability to remain viable for considerable periods of time in various biological and nonbiological habitats due to the formation of biofilms. Salmonella spp. are widely represented in the environment, and the intestinal tract of animals and birds is where they are found most [2,3]. Salmonella enterica can cause severe zoonotic disease and is transmitted to humans...
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I. INTRODUCTION
The non-therapeutic use of antibiotics in animal feed has been banned in some regions of the world (Lekshmi et al. 2017) and there are restrictions on the use of some products in other countries, including Australia (APVMA, 2017). This has led to a search for alternatives to antibiotics for use in poultry production. Yeasts and their by-products have been identified as potential alternatives to antibiotics. In a recent study (Ahiwe et al., 2018),...
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The demand for poultry products continues to rise and, since the beginning of the COVID-19 pandemic, so has the popularity of backyard poultry flocks. With the current mandates for social distancing and isolation, those who are spending a greater amount of time at home view it as an...
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1. Introduction Salmonella enterica is one of the leading causes of foodborne illness in the United States and around the world [1,2]. While there are over 2500 serotypes of Salmonella, 20 serotypes, including serotype Infantis, account for most U.S. human infections [3]. Infantis was the sixth most common serotype associated with human infections in 2016 and the fifth most common serotype isolated from chicken products in the U.S. in 2014 [3,4]. Infantis has consistently been...
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Modern animal feeding includes prophylactic approaches for supporting intestinal homeostasis and immunity, in order to avoid dysbiosis, diseases, and need for antimicrobial medication. According to the principles of the One Health concept, the well-being of humans, animals and the environment are all connected, and at these times of a pandemic, avoiding the excess usage of antibiotics in animal farming is more important than ever. Pro-, pre- and synbiotics Prebiotics and...
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Introduction Salmonellosis is one of the major foodborne diseases in developed countries [1]. It is known to be closely related to the consumption of contaminated food of animal origin, including eggs and poultry meat [2,3]. Salmonella enteritidis phage type 6 (PT6) is suspected to be the cause of epidemics of foodborne diseases in many countries [4]. Other severe outbreaks of S. enteritidis PT1 infection have been observed [5]. Salmonella typhimurium, a redoubtable pathogen,...
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Chicken meat is a common meat in Manokwari, West Papua, Indonesia and it is sold both in fresh and frozen forms. Fresh carcasses are usually from local producers while frozen carcasses are supplied from other regencies (administrative entities). Fresh carcasses are generally sold in traditional markets and frozen carcasses sold in both traditional markets and supermarkets.
Chicken meat is an ideal medium for many microorganisms especially pathogenic bacteria which lead to spoilage...
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Demand for animal protein for human consumption is rising globally at an unprecedented rate. Modern poultry production practices are associated with regular use of AGPs, potentially increasing selection pressure on bacteria to become resistant. AGP-alternatives are being sought to improve poultry performance. While the industry is focused on developing alternate solutions; their mode of action still remains unclear. Present study is undertaken to establish probable mechanism of action of...
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By: Centers for Disease Control and Prevention (CDC)
Eggs are one of nature’s most nutritious and economical foods. But it’s important that you take care when handling and preparing fresh eggs and egg products.
The inside of eggs that appear...
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The relentless march of antimicrobial resistance (AMR) has emerged as a public health concern, especially in the light of the fact that newer antibiotic classes have been slow to develop and investments in novel antimicrobial drug classes have been receding. AMR problem transcends international borders with antibiotic stewardship. Increasing thrust for restriction on AGP’s has instigated hunt for newer alternatives. Present study is...
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1. Introduction Salmonella spp. is Gram-negative intracellular enteric bacterium of public health concern. It is responsible for over 90,000 cases of zoonotic food-borne infections per year in the European Union (EU), according to the last European Food and Safety Authority (EFSA) report [1]. In recent years, different serovars were considered responsible for disease outbreaks, and Salmonella Typhimurium and S. Enteritidis were the most prevalent in the European Union...
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Supplemental Bacillus subtilis DSM 32315 modulates intestinal structure, microbial composition and improve the performance in broiler chickens
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1. Introduction In the poultry industry, enteric bacterial pathogens pose a threat to intestinal health and can contribute to the transmission of zoonotic diseases [1,2], increased mortality in poultry flocks, reduced feed efficiency, decreased rate of body weight gain and, therefore, increase in total production costs [3,4]. Salmonella infection and necrotic enteritis (NE) produced by Clostridium perfringens (CP) are two significant bacterial diseases in poultry [5,6]. Each...
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In recent years, the market positioning for a reduction on antibiotic use in animal production gained strength with a focus to produce antibiotic free livestock. In this context mannan-oligosaccharides (MOS) have conquered the animal health industry. MOS could function as potential alternatives in a strategy for antibiotic reduction and substitution and help the animals to maintain their productive potential. Yeast fractions are rich in mannoproteins, mannans and β-glucans, enabling...
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