Veterinarians, nutritionists and other professionals tasked with raising food-producing animals are constantly searching for better alternatives. They demand strict scientific standards and they want to understand how novel product categories exert their alleged effects in animals. Specifically regarding probiotics, nutritionists and veterinarians insist that their modes of action be clarified and their effects be measured objectively, allowing them to make more educated choices among the many possible suppliers

Probiotics, particularly antagonistic probiotics, can reduce pathogenic bacteria by competitive exclusion, provide nutrients and enzymes to promote host growth, enhance the immune response by immune stimulation, and do not cause secondary pollution problems.

There are regular debates over whether or not probiotics should be used only for raised without antibiotics (RWA) production systems, which include no antibiotic ever (NAE) and organic production. One myth is that antibiotics provide a performance-enhancing effect by their pure antimicrobial action. Thus, no additional benefit can be achieved with the combined usage of a probiotic and an antibiotic.

The gut plays a critical role in health and well-being and houses a vastly complex community of microorganisms. Inoculation occurs immediately after birth, with diversity and complexity increasing until the microbial ecosystem has reached a relatively steady state. This diversity is crucial to the gut’s function as a protective barrier and provides resistance to colonisation of pathogenic organisms, such as Salmonella, Escherichia and Campylobacter, as well as exerting beneficial effects on immune function.

Probiotics can significantly reduce Salmonella Amalaradjou’s intervention will spray unhatched eggs with a probiotic supplement and provide the hatchlings with an additional supplement through their water as they are transported to grow-out farms where the researchers will continue the treatment. This research is based on Amalaradjou’s previous work which found probiotics can significantly reduce Salmonella populations on eggs and reduce its colonisation in chicken intestinal cells.

The gut mucosa plays an essential role for optimal health and performance of poultry. This barrier or better named frontier, is the location of many interactions between the animal, the host, and the ‘outside world’. Absorption of nutrients, stimulation of the innate immune system, but also preventing bacteria and toxins entering the bloodstream underline the functioning of this dynamic frontier.

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