Special Issue "Effects of Alternative Feeds and Dietary Additives on Poultry Growth, Immune Function and Gut Health"
Deadline for manuscript submissions: closed (15 November 2023) | Viewed by 9306
Interests: broiler nutrition; protein and energy evaluation of poultry feeds; soluble fiber; feed additives; gut health; ammonia emission
Over the past year, the prices of feedstuffs have increased tremendously. Poultry feed cost comprises about 70% of their production cost, and fluctuations in raw material prices affect costs significantly, resulting in loss of profitability to producers. All over the world, cheaper, locally available alternative feeds derived from industrial byproducts could improve the present situation. Alternative feeds include not only cheap byproducts, but also cereal grains or legume seeds with high abiotic stress resistance. These feedstuffs usually contain more fibre, antinutritive compounds and more variation in their nutrient content, resulting in lower digestibility and worse feed conversion. Although these alternative sources are being used at small, safe ratios, we do not really know their maximal inclusion rates and their effects on gut health and the gut-associated immune system. Alternative feeds can modify not only digestibility and production traits, but also the microbiota of the small intestine and caeca. Therefore, holistic knowledge is needed to evaluate byproduct-based poultry diets and to give support for the industry with alternative solutions.
Adding next-generation exogenous enzymes, protease and carbohydrase, to poultry diets is cost-effective and efficient way to increase the digestibility of amino acids, fats, starch and nonstarch polysaccharides. The evaluation of soluble and insoluble fibre fractions of diets and understanding their complex effects is also important. Furthermore, pro- and prebiotics could help in stabilising gut health. The impacts of feed-manufacturing technologies (grinding procedure, particle size, heat treatment, etc.) advised for certain byproducts are also an interesting, albeit understudied, research area.
In this Special Issue, new research on the abovementioned research fields is welcome. Economic evaluations could also be taken into account. Moreover, studies evaluating potential gaps in production traits and methods to overcome such shortcomings are also of interest, as well as comprehensive review articles.
We invite you to submit papers, with the aim of helping feed manufacturing companies and poultry farmers to overcome the difficult challenges posed by rising feed costs.
Prof. Dr. Károly Dublecz
Prof. Dr. Lidija Peric
Manuscript Submission Information
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- alternative feedstuffs
- immune system
- gut health
- exogenous enzymes
- feed manufacture technology