Svetlana Mikhlin

1. INTRODUCTIONSalmonella enterica subsp. enterica is the most common cause of foodborne human gastroenteritis, a disease characterised by gut inflammation and self-limiting diarrhoea in humans (Winter et al., 2010). It is estimated that gastroenteritis caused by Salmonella spp. accounts for 93.8 million human cases worldwide each year (Majowicz et al., 2010). Worldwide, contaminated food products ...

IntroductionAvibacterium paragallinarum (Av. paragallinarum) is a gram-negative bacterium that has been isolated worldwide and is the aetiological agent of infectious coryza (IC), a disease that contributes to significant economic losses in the poultry industry. Clinical signs of IC include nasal discharge, facial swelling, and lacrimation. This disease is associated with reduced egg production, p ...

The vaccination of laying hens with live vaccines against Salmonella Enteritidis applied in a 3-dose vaccination regimen during rearing has been one of the measures implemented that has reduced the prevalence of Salmonella in poultry and therefore also the risk of transmission of salmonellosis to humans through the consumption of contaminated eggs. The current trend of extending the productio ...

The identification of mild to moderate gizzard erosions (GE) in more than 20- 30% of the healthy commercial broilers examined in post mortem sessions, is commonly found in several countries in the Americas and Asia.The gizzard, also called muscular stomach, is composed of a koilin (keratenoid) layer and an underlying mucosa. GE is characterised by damage in the form of erosions that can become ulc ...

The two most common zoonotic diseases around the world are campylobacteriosis and salmonellosis, in that order. Salmonella is a bacteria that can cause serious gastrointestinal disease in human beings. As it is a zoonotic disease, it can be transmitted directly or indirectly between animals and human beings through contaminated food. It is most often found in raw eggs and meat, mainly pork, turkey ...

 A balanced microbiota is vital for the intestine to have good function, in addition to gut integrity. The microbiota is formed by non-pathogenic microorganisms, which are of key importance for the metabolism and the absorption of nutrients and other compounds consumed by animals. A healthy microbiota has a high diversity of microbial genera in perfect balance, allowing an increase in the met ...