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Fiber in poultry nutrition
Dietary fiber (DF) was considered an antinutritional factor due to its adverse effects on feed intake and nutrient digestibility. However, with increasing evidence, scientists have found that DF has enormous impacts on the gastrointestinal tract (GIT) development, digestive physiology, including nutrient digestion, fermentation, and absorption processes of poultry. It may help maintain the small and large intestine’s integrity by strengthening mucosal structure and functions and increasing the population and diversity of commensal bacteria in the GIT. DF is composed of non-starch polysaccharides (NSP), oligosaccharides, and lignin that scape digestion and enzymatic hydrolysis. Increasing DF content benefits digestive physiology by stimulating GIT development and enzyme production. And the inclusion of fiber at a moderate level in diets also alters poultry growth performance. It improves gut health by modulating beneficial microbiota in the large intestine and enhancing immune functions.
Recent studies have shown that the decreased performance of broilers associated with feeding a reduced crude protein (RCP) diet cannot be fully recovered by supplementing essential amino acids (Hilliar et al., 2019). We hypothesized that the dietary inclusion of moderate amounts of insoluble fibre would improve gizzard function and protein/amino acid digestibility that could help to restore the performance loss associated with feeding a RCP diet. This study investigated the effects of oat...
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INTRODUCTION It is imperative to identify factors that inhibit the digestibility of nutrients for successful commercial poultry production. The non-starch polysaccharides (NSP) like substances of hemicellulose, cellulose, and pectin can reduce nutrient digestibility in poultry (Choct, 1999). Among the NSP, β-mannans are a group of hemicelluloses, which are present in many ingredients used for poultry feeds like soybean and other leguminous seeds. It occurs in the forms of...
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The IGP Institute is conducting a market intelligence survey to collect information on the current usage, processing, and purchasing of grain sorghum in animal nutrition from different places around the world. The objective is to get data that can help us identify the technical areas where there...
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Introduction High cost of conventional ingredients such as maize as source of energy, soybean, groundnut cake and fish meal as source of protein in broiler’s diet has increased the cost of feed and consequently increased cost of production (Attia, 2015). The cost of feed represents about 75% of the total costs of animal production. Also, non-availability and competition existing among man, industry and livestock have necessitated the need to find cheap and available...
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How to determine the nutritional quality of feeds and raw materials?
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Dr. Leeson sheds light on the nuanced role of dietary fiber and its impact on poultry nutrition...
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Fibre is a nutrient that has been largely ignored in feed formulation, not because it is unimportant, but because it is not well known what ‘fibre’ actually stands for. Firstly, the terms used to describe fibre in feed are confusing and the values they represent are inaccurate. For instance, ‘crude fibre’ is a 19th century relic that does not mean much in monogastric animal nutrition. Its continued use in feed formulation perhaps represents the single largest source...
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FIGAP 2026: The Scientific And Technological Exhibition Of The Livestock Industry
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The aim of this study was to evaluate the impact of feeding xylo-oligosaccharides (XOS), xylanase (XYL) and fermentable fibre, in the form of wheat bran (WB), on egg quality. It is theorised that WB stimulates and trains the microbiota in the hindgut to hydrolyse and ferment dietary xylan, and XOS and XYL may further upregulate xylan fermentation pathways, resulting in improved nutrient utilisation and thus egg quality. Isa Brown hens (n = 96 hens) were obtained at peak lay (39 weeks of age)...
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I. Introduction Necrotic enteritis (NE), caused by Clostridium perfringens (CP) and exacerbated when birds are co-infected with Eimeria spp., is one of the most severe and common diseases resulting from intestinal mucosal damage (Bae et al., 2021). The stimbiotic (STB) concept has been recently introduced as a non-digestible and fermentable additive that stimulates the development of a microbiome comprising bacterial species that are principally involved in fibre...
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INTRODUCTION Chicken meat consumption has drastically increased in the past decades, and Australia has the fourth highest consumption of chicken meat in the world, eating 47.64 kg/person in 2020 (ACMF, 2021). The success of the poultry industry is highly related to the improved growth and performance capabilities of chicken meat birds with some strains of broilers capable of reaching market weight by 35 d of age (Singh et al., 2021). The industry now requires new approaches to...
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Will New Version of GMP Boost the Veterinary Drugs Industry?
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Nelson Ruiz (Nelson Ruiz Nutrition) highlights the relevance of quality parameters in times of scarcity or supply chain issues, in this interview during IPPE 2023 in Atlanta, USA....
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A study was conducted to evaluate form and dose effect of a newly developed thermostable xylanase (CIBENZA® XYLAVERSE®, Novus International, Inc.) on growth performance, digesta viscosity, intestinal weight, and digesta xylanase activity of broilers fed wheat based diets. The study consisted of 6 dietary treatments: positive control, negative control with 100 kcal/kg less ME, granulated xylanase 250 and 500 U/kg, and liquid xylanase 250 and 500 U/kg. Each...
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Water is important for the overall health and performance of birds, yet less focus has been on water compared to the other nutrients. Increase or decrease in water to feed intake ratio (WI:FI) indicates issues related to nutrition, health or management of the shed particularly in broilers due to their fast growth. An automated water measurement system was developed at the University of New England to measure water intake in broilers. This system was used to measure water intake in two...
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Introduction The gradual increase in the world's poultry production concomitantly increases the need for ingredients to supply protein for diets. Cereals constitute about 60 - 70% of diets to meet the energy requirements of poultry, whereas oilseeds contribute to cover the dietary protein requirements of birds (Senkoylu & Dale, 1999). Soybean meal (SBM) is the main protein source in poultry rations given its high nutritional value. Most of the European and Asian...
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Neil Turner, Sales Director of Creamino® at Alzchem, speaks about the mode of action of Creamino® a feed additive for animals, which is naturally processed into creatine after absorption into the body
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A study was conducted to investigate whether the functional oligosaccharides released in situ as a consequence of fibre-degrading enzyme application ameliorate the severity of necrotic enteritis (NE) in broilers offered wheat- or maize-based diets. Day-old Cobb 500 mixed-sex broilers (n = 1536) were assigned to a 2 × 2 × 4 factorial arrangement of treatments, with six replicates per treatment, for 21 days. Factors were cereal type (wheat or maize), NE challenge (without or with),...
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Despite extensive research presenting both the benefits and detriments of soluble non-starch polysaccharides (sNSP) in poultry diets, its concentration and composition in feed ingredients is not commonly considered during commercial feed formulation. Consequently, a study was conducted in which birds were fed commercial-type diets formulated to Cobb recommendations (barley, corn, sorghum or wheat-based) formulated to contain similar protein levels but differing soluble NSP levels (Low,...
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Introduction Soybean meal (SBM) is the most important and preferred source of quality protein in animal feeds (Banaszkiewicz, 2011). Among the oil seeds, SBM contains the highest crude protein (CP) and has the best AA profile, with only 6% crude fibre (Dei, 2011). The AAs in SBM are highly digestible by poultry (Newkirk, 2010). Based on the CP content, SBM can generally be classified as high protein (47% - 50%), or low protein (44% - 46%). Popescu & Criste (2003) suggested...
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Introduction Soybean meal (SBM) is the most important and preferred source of quality protein in animal feeds (Banaszkiewicz, 2011). Among the oil seeds, SBM contains the highest crude protein (CP) and has the best AA profile, with only 6% crude fibre (Dei, 2011). The AAs in SBM are highly digestible by poultry (Newkirk, 2010). Based on the CP content, SBM can generally be classified as high protein (47% - 50%), or low protein (44% - 46%). Popescu & Criste (2003) suggested...
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