Taking phytase superdosing from scientific concept to commercial application: a UK example
Scientific research is based on carefully designed experiments, performed in carefully controlled conditions with the outcome measured as accurately as possible, using a range...
Thoughts on diet energy. Definitions, requirements and alternatives
Energy is by far our most expensive nutrient, yet surprisingly we never receive guarantees when we trade ingredients or manufacture diets. Energy level dictates...
Broiler management and feed formulation approaches in hot environments
High temperatures can be an obstacle in livestock production particularly in tropical regions. Broilers are more susceptible to high ambient temperatures because they lack...
Methionine supplementation reduces plasma amino acid circulation and enhanced apparent digestibility in broiler chickens
The objective of this study was to evaluate the impact of methionine supplementation on amino acid concentration in systemic plasma, apparent amino acid digestibilities...
In Vitro evaluation of xylo-oligosaccharide production from different batches of wheat with and without...
Supplementing poultry diets with xylanase partially depolymerizes the xylans present in the dietary cereals, reducing the number of sugars in the molecular chains. The...
Evaluating phosphorous equivalency of phytases
The use of exogenous enzymes in non-ruminant nutrition is a valuable tool to increase digestibility and therefore spare the inclusion of expensive nutrients whilst...
Inclusion of black soldier fly larvae in a meat chicken diet has minor effect...
The caecal microbiota composition of commercial broilers is essential to the poultry industry as it can affect the broiler’s health and performance.
Bioactive components of...
Comparative sustainability of differing dietary amino acids and energy regimes for individual laying hens...
Poultry production has been identified as an efficient source of terrestrial, farmed animal protein. However, in tandem with all food production, sustainability into the...
Protein digestive dynamics influence growth performance of broiler chickens
Three apical diets were formulated to stimulate different protein digestion rates dependent on the major constituents: standard (soybean meal), rapid (whey protein) and very...
Dietary energy, digestible lysine and available phosphorus levels influence growth performance and carcass traits...
Energy (E) and amino acids (AA) are two of the most expensive components in broiler diets. There is no general consensus regarding the interaction...
A synergistic herbal alternative combination: curcumshield vs poultry infections – a broad-spectrum study
Introduction
In the case of bacterial infections, various categories of antibiotics – especially synthetic ones – are widely used as broad-spectrum bacteriostatic and bactericidal agents....
Apparent metabolisable energy of common cereal grains for broiler chickens is influenced by bird...
The current study was conducted to investigate the influence of broiler age on the apparent metabolisable energy (AME) and nitrogen-corrected AME (AMEn) of four...
Feed physical quality
The effect of feed form is well established, however, feed physical quality is often seen as an issue in the field (see Figure 1)....
Effects of yeast and its derivatives on meat yield
The present experiment was designed to determine the effects of yeast and its derivatives on meat yield and hematological indices of broiler chickens challenged...
NSP enzymes, gut microbiota and fermentation products
Arabinoxylans account for 50-70% of the NSP feed enzymes present in cereal grains and make up the majority of cell wall NSP in corn,...
NRGene to offer the first broad soy diversity & haplotype database
All-by-all full genome comparison of 30+ varieties to rapidly improve nutrition and hardiness and reduce resource requirements
NRGene, the leading genomic big data company, has...
Training the animal microbiome to degrade fibre with NSPase
A new perspective on the mode of action of fibre-degrading enzymes NSPase.
Increased understanding of NSPase mode of action is presenting a new perspective on...
Lactobacillus acidophilus D2/CSL (CECT4529): 35 years of Italian research (1985-2020)
The history of the probiotic strain Lactobacillus acidophilus D2/CSL (CECT 4529) follows that of many strains produced by Centro Sperimentale del Latte and acts...
Low protein diets down regulate hepatic enzymes
Low protein (LP) diets have clear benefits for the poultry industry with regards to health, welfare and production. Dean et al., (2006) found that...
The ability of meat chickens to extract energy from wheat
The apparent metabolisable energy (MJ/kg dry matter) values for wheats were determined in two conventional energy balance experiments on meat chickens. A blend of...
Impact of dietary soluble non-starch polysaccharide levels on the gastrointestinal environment of young broilers
The dietary fibre content of broilers diets is frequently neglected during feed formulation, despite the prevalence of fibrous material in feed ingredients and notable...
EU Compound feed production in 2021 – Market Outlook 2022
Industrial compound feed production in the EU remained stable in 2021. Looking forward, the spread of animal diseases and the continuing global grain market...
On free amino acids – Their role in starch and protein digestive dynamics
The quantity of glucose and amino acids absorbed from the small intestine is a function of dietary concentrations, feed intakes and digestibility coefficients. Moreover,...
What is the influence of nutrition and management on egg weight?
Managing egg weight is important for farmers and can greatly vary depending on market demand. Obtaining an egg size in line with market demand...
Drought impacts on plant ground cover on a free range egg farm
In this study drought conditions were experienced and was high-lighted the difficulty for farms in maintaining green ground cover during adverse dry conditions.
Introduction
Maintaining vegetation...
Feeding broilers of the future
The only way to maintain production is to improve the understanding of precision nutrition so that producers can feed broilers with low or no...
FAO published a report on animal nutrition strategies
FAO’s publication helps producers use nutrition strategies to reduce the use of antibiotics in their farms. Antimicrobial resistance (AMR) is an increasing threat to...
How much dietary protein is too much
Dietary protein accounts largely for most of broiler feeding costs which in return shrink revenue if protein is not used efficiently. Tuning dietary protein...
Phytase efficacy in young turkeys versus young broilers
Based on tibia-ash content, equivalency between phytase enzymes with young turkeys appeared to be similar with young broilers. An extensive review about “microbial phytase...
Additivity of ileal amino acid values of sorghum with different protein sources
Sorghum is used widely in Australian poultry diets, primarily as an energy component. It is usually fed in diets that contain wheat but may...
Potential to produce poultry feed from food wastes
The annual food waste in Australia is estimated at 7.5 million tonnes
with the majority disposed of in landfills. This not only
causes significant economic loss...
Metabolisable energy of ingredients in peak layers
Layer nutritionists typically rely on apparent metabolisable energy data generated in broilers as layer AME data are less available.
The bioassays are typically conducted...
Scientifically validated results to raise poultry production profitability
The Poultry Science Association 2017 Annual Meeting took place in Orlando, Florida on July 17-20. Being the most prestigious scientific event for poultry in...
Measurement of energy utilization in chickens
Although corn prices have dropped from historic highs in the past years, energy continues to be one of the driving costs in poultry feeding....
Effects of probiotic Bacillus amyloliquefaciens H57 on performance and intestinal microbiota of chickens
Probiotics (direct fed microbials) are a potential alternative to antibiotic growth promoters for improving animal production and preventing enteric pathogen infections. The Authors are...
Influence of feed form and particle size on the performance and nutrient utilisation of...
The present experiment was designed to examine the influence of feed form and particle size in maize-based diets on the performance and nutrient utilisation...
Animal feed probiotics market expands as antibiotic-free nutrition gains momentum
The global animal feed probiotics market is undergoing a significant transformation as livestock producers increasingly seek sustainable, science-driven alternatives to conventional growth promoters. Valued...
Can xylanase inhibitors affect the efficacy of xylanases in poultry diets?
Xylanase inhibitors are reported to be widely present in cereals, and can influence the assay of supplemental xylanases in feeds.
In the present study, a...
Feed Conversion Ratio optimized for farmer profit
The farmers’ cost for animal feed is one of the main expenditures consisting of 60-70% of the overall producer costs. These producer costs are...
Research examines alternative feeding programs and photostimulation periods for broiler breeders
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in Athens, Georgia, in which researchers...
Effect of multi-xylanase system on growth performance and gut health in broilers
Non-starch polysaccharides (NSP), particularly arabinoxylans (AX), with complex biochemical structures are one of the main causative factors for impaired growth performance and poor gut...
Broilers diets with high and low net energy but similar metabolisable energy
A semi-commercial scale feeding study was conducted to compare formulations of broiler diets based on predicted net energy (NE) and metabolisable energy (ME). It...
Early introduction of whole-grain diets to broiler chickens
The main problem with introducing whole-grain diets (WGD) to newly hatched chicks is the kernel size and this has led to such diets being...
Effect of graded levels of supplementary phytase in diets with and without rapeseed meal...
Application of dietary enzymes, including phytase, protease, and carbohydrases, alone or in combination, to facilitate phosphorus, protein, and energy utilization is a common approach...
Natural antioxidants in poultry production
From vitamins to vitagenes - First part
In general, there are four major types of stress in poultry production: technological, environmental, nutritional and internal stresses....
Effects of dietary insoluble and soluble non-starch polysaccharides on performance and ileal and excreta...
This study examined the effect of dietary insoluble and soluble non-starch polysaccharides (NSP) in common broiler diets on performance and ileal and excreta moisture...
Effects of low protein and balanced amino acid levels on birds under subclinic NE
One benefit of low protein (LP) diets is improving gut health in a future of antibiotic-growth promoter free diets.
Drew et al., (2004) found an...
Laying hen nutrition for optimizing egg production and quality
Hen nutrition is important; during the initial period of pullet rearing (<45 days of age), small particle size obtained by grinding of main cereals...
The use of moringa oleifera leaf meal (MOLM) and its extract in low protein...
The objective of the present study was to evaluate the effect of incorporating different levels of MOLM and its extract - as natural antioxidants...
Nutritional additive strengthens bones in layer hens
Bone quality in egg-laying hens benefits from a common feed supplement as well as from traits that help their skeletons store calcium, research shows....
A novel microbiome metabolic modulator improved growth performance and intestinal morphology during a coccidiosis...
The present study was designed to investigate the effects of a precision glycan Microbiome Metabolic Modulator (MMM) on growth performance and gut health parameters...
Bacillus Subtilis improves performance of broilers fed medicated or non-medicated feed
Animal digestive health is key to obtain optimal performance. Antibiotic growth promoters (AGPs) have long been shown to be very effective to develop and...
Growth begins in the gut
In the race to replace antibiotics on Canadian poultry farms, some producers have successfully adopted yeast-based prebiotic supplements. But there’s more potential to enhance...
Priming young birds for gut health and resilience
This brief review focuses on the types of fibre that the nutritionist should be considering and how a phase feeding strategy should not only...
Copper influences broilers’ performance and growth
Copper (Cu) is an essential component involved in a wide variety of biochemical processes. It must be supplemented in the trace mineral premix as...
Managing the risk makes the difference in mycotoxin control
A webinar on the results of the 2017 harvest analyses in terms of mycotoxin contamination has been recently held. Two experts on the matter...
Effects of probiotic bacillus Amyloliquefaciens H57 on performance and intestinal microbiota of chickens
Direct fed microbials are a potential probiotic alternative to antibiotic
growth promoters for improving animal production and preventing enteric pathogen
infections. We are studying the effects...
Science unveils new pathway to broiler chicken growth performance
A new tool has emerged for broiler chicken operations seeking new ways to optimize results while keeping aligned with a full range of the...
Estimated total cereal production in the EU-27 for the 2022 harvest
Experts from the Copa and Cogeca working groups on cereal and oilseed gathered in Brussels, with an estimated total cereal production of 277 million...
Dietary starch influences performance of broiler chickens offered low-protein diets
This study suggests that there is interference between the digestion of starch and protein and/or absorption of glucose and amino acids. Paradoxically, the low-protein...
Probiotics as an alternative to antibiotics for treating lameness in broilers
The pathogenesis leading to a form of lameness known as bacterial chondronecrosis with osteomyelitis (BCO) appears to be initiated by mechanical microfracturing of susceptible...
Chelated copper compared to antibiotics effect on gut health in broilers
In this study the specific interventions of chelated copper methionine hydroxy analogue (cuMHAC) and a combination of cuMHAC and an effective foregut acidifier were...
Evaluation of anti-inflammatory capacities of bacillus-based probiotics using an in vitro intestinal cell model
With the evolution of genetic potential of modern broilers, transforming the large feed intake into protein deposition is a real challenge for the digestive...
Requirement of digestible calcium at different dietary concentrations of digestible phosphorus for broiler growers
An experiment was conducted to determine the digestible calcium (Ca) and digestible phosphorus (P) requirements of 11-24 days old broiler chickens.
L.S. David1, M.R. Abdollahi1,...
Changing role of poultry nutritionist in a changing industry
Reflecting back on 30 years of working in the poultry industry as nutritionists we realize that the biggest changes that have occurred have mostly...
Challenges in poultry feeding
Poultry producers around the world continue to struggle with high production costs for poultry feeding, largely due to volatility in prices for basic feed...
The effect of microbial challenge on the intestinal proteome of broilers
In broiler production intestinal health and function is paramount to achieving efficient feed utilisation and growth.
Uncovering the localised molecular mechanisms that occur during the...
Using more bioavailable sources of trace minerals pays off
A study of broiler breeder performance was conducted using three separate minerals programmes. The objective was to determine if productivity could be maintained at...
Feed borne mycotoxins: the threat to poultry?
Mycotoxins are metabolites produced by molds (fungi) that can infest crops pre-harvest and can continue to flourish under sub-optimal storage conditions. Grains with high...
Effects of beta glucans in poultry health and nutrition
Immune modulators such as beta glucans have today a major role in poultry production.
The poultry production industry has seen astonishing improvements over the past...
Phytic acid reduction in canola and camelina meals
Canola and camelina meals have been identified as alternative plant protein sources in place of soybean meal for animal feeding. The use of these...
The challenge of feeding modern broiler breeders
Broiler breeders are expected to produce about 150 chicks in 40 weeks of production and even though it is commonly believed that selection for...
Short chain fatty acids and poultry gut health
Due to customer demands, producers have been asked to change the way they grow production animals, specifically through the removal of antibiotics. With this...
The bioavailability of zinc in poultry: what does literature say?
Zinc bioavailability: zinc is an essential trace element for all the animals, including broilers. In case of deficiency, alteration of growth performance and distortion...
Site and extent of digestion on poultry production
In poultry formulation and production of feed has evolved extensively in the last century with the identification of required nutrients, and subsequent and continuing...
Feather-eating hens show specific essential amino acid appetites in a double-choice model
Nutritional balance is one of the major considerations to prevent severe feather pecking in layer hens. Individual variation in digestive and metabolic efficiencies and...
Field experience on the use of probiotics in chickens and turkeys
Probiotics have been used for several years in an attempt to improve intestinal health. Recently, microbial products have been extensively studied as supportive treatments...
Transgenerational impact of broiler breeder nutrition
Continuous genetic selection in meat-type chicken for rapid growth resulted in increased meat production and decreased the time required for achieving the market weight....
Crude soybean lecithin and vegetable acid oil as energy sources for broiler chickens
Lecithin and acid oil, as co-products from vegetable oil refining process, are economic alternatives to conventional fat sources and may represent an efficient energy...
Path to the 100 week age layers in cage free systems
Egg producers are always looking for ways to improve layer hen’s efficiency as, nowadays, the genetic potential of layers is targeting an extended age...