The nisin improves broiler chicken growth performance and interacts with salinomycin in terms of gastrointestinal tract microbiota composition

Full-fat insect meals as feed additive – the effect on broiler chicken growth performance and gastrointestinal tract microbiota

“…To date, more than 900 bacterial species have been identified, and it is well documented that the disturbance of microbial homeostasis can have significant negative effects on intestinal health and bird performance (Stanley et al, 2014). In the current experiments, the analysed microbiota populations were chosen as gut health indicators on the basis of our earlier research (Józefiak et al, 2011(Józefiak et al, , 2012(Józefiak et al, , 2013Ptak et al, 2015;Kierończyk et al, 2016;Dunislawska et al, 2017). Although it cannot be demonstrated that final performance indices of the birds are improved due to supplementation with insect meals, significant changes in microbiota populations were marked.…”

Insect proteins as a potential source of antimicrobial peptides in livestock production. A review

“…The most explored bacteriocin is nisin, which is commonly used in many types of human foodstuffs as preservative and has also been added to animal feed as an anti-bacterial additive. It has been shown that the dietary supplementation of nisin reduced the numbers of Bacteroides and Enterobacteriacae in ileal digesta of broilers (Józefiak et al, 2013;Kierończyk et al, 2016). Another example may be lactoferrin derived from bovine milk, which is currently used as a nutritional supplement that can liberate active peptides from gastric digestion.…”

In silico identification, characterization and expression analysis of attacin gene family in response to bacterial and fungal pathogens in Tenebrio molitor

“…Entomological Research 48 (2018) 45-54 alternatives to the 'classical antibiotics' that leads to natural bacterial resistance. Especially, the insect AMPs have been supplemented in many types of human foodstuffs as preservative and livestock diets as an antibacterial additive (Jozefiak and Engberg 2017;Kieronczyk et al 2016). This has opened up new possibilities for budding entrepreneurs to take up initiatives in starting insect meal production units specifically catering to animal nutrition and health.…”