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...
Precision feeding of broiler breeders
Precision livestock feeding relies on real-time sensor feedback from individual birds to decide whether or not to allocate feed, according to the needs of...
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,...
Lowering dietary calcium and available phosphorus in broilers
The aim of this trial was to investigate the effect of lowering dietary calcium (Ca) and available phosphorus (av.P) during Starter (0 to 10d),...
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...
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....
Sea urchin waste as alternative source of calcium for laying hens
In Italy, several tons of sea urchins are harvested annually, yet only the gonads are used for consumption; the rest, rich in calcium carbonate,...
Effectiveness of a double choice test to assess dietary taste preferences in broilers
Investigations into the taste system of broilers can help to improve poultry feeding strategies. However, a comprehensive study on dietary taste preferences for broilers...
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...
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...
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...
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...
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...
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...
Immediate post-hatch nutritional restriction in broilers
The effect on broiler muscle development and occurence of intramuscular fat.
Neonatal nutrition and immediate post hatch nutritional restriction represent an important facet of broiler...
Energy utilization in broilers fed a sorghum-based diets supplemented with phytase and carbohydrases
This study was conducted to evaluate the endogenous enzyme activities and energy utilization of broilers fed sorghum-based diets supplemented with phytase and carbohydrases
Broilers were...
Effect of two different fibre sources on growth and immune function in grower layer-pullets
This study was conducted to evaluate the effect of two different fibre sources on pullet growth, gut immune tissue, and lymphocyte proliferation of strain...
Sustainable chicken meat production is enhanced by tangibly reduced crude protein diets
The environmental impact of soyabean meal is estimated to be approximately three times that of grain and successful implementation of reduced crude protein diets...
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...
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...
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...
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...
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)....
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...
How to improve hen fertility
Following specific procedures to increase hen fertility will not eliminate drops in fertility, but it may also reduce the need to trouble-shoot breeder flocks.
Artificial...
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...
Development and evaluation of probiotics
As restrictions to antibiotic growth promoters (AGP) have become more prevalent, producers have turned to several technologies as probiotics - Direct Fed Microbials to...
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...
Comparison of wheat and maize-based diets on growth performance and meat quality of broiler...
Maize and wheat are a major source of energy in broiler diets. Generally, wheat-based diets are offered to broiler chickens in Europe, Australia and...
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...
Challenges in longer laying cycle. Stabilizing egg quality
In the past 50 years, selection, initially at the breed level and then using quantitative genetics coupled with a sophisticated breeding pyramid, has resulted...
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...
H7N9 flu mutation identified that allows immune system escape
The research, published in the Journal of Virology, demonstrated that small genetic differences in the virus surface proteins can prevent antibodies that protect against...
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...
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...
A Box-Behnken assessment of fishmeal and sorghum inclusions in broiler diets
The objective of this study was to investigate the impacts of starch and protein digestive dynamics on broiler growth performance using Box-Behnken response surface...
New applications such as superdosing of phytase to maximize phytate destruction to improve performance...
It is well documented that phytase supplementation in broiler diets improves P and Ca utilization through the destruction of phytate (IP6) and thereby allows...
A new perspective on feeding broiler breeders
Due to sophisticated genetic selection programs carried out by poultry breeding companies such as Aviagen, today’s broilers can grow with very efficient feed conversion...
Intestinal barrier function – A case to be studied in reduced protein diets
Maintaining intestinal health and growth remains a concern as demands increase to limit the use of antibiotics in poultry production. There is also an...
Benefits of non-synthetic, natural oregano essential oil in pullet rearing
Feeding oregano essential oil to pullets during rearing can help to improve flock uniformity, reproductive fitness and feed efficiency, according to research undertaken at...
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...
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....
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...
Comparison of the effects of dietary available phosphorus and feed restriction on performance, egg...
This study was performed to evaluate the effect of available phosphorus and restricted feeding level on laying hens productivity, egg quality and yolk fatty...
In vivo digestion of GM proteins in laying hens
Despite all of the positive effects of modern technologies to improve corn and soybean yields, the consumer often has a different perception of the...
A dose response of a heat stable phytase on broiler performance and nutrient digestibility
Phytases have been heavily researched for decades and been used commercially since the early 1990s. Phytase from microbial origin is therefore added to monogastric...
EU compound feed production market forecast 2025
FEFAC market experts forecast continued stability in the EU compound feed production market for 2025. The total industrial compound feed production in the EU27...
Research examines different dietary treatments for woody breast
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at Auburn University in Auburn, Alabama, in which researchers examined different...
Nutritional implications of antibiotic free rearing of broilers
The gradual reduction in the use of AGP coincided with an increase in the therapeutic use of antibiotics on farm level. Especially in broiler...
A rationale for elevated free threonine plasma concentrations in chickens offered reduced-crude protein diets
Pronounced elevations in free threonine plasma concentrations have been consistently observed pursuant to crude protein reductions in broiler diets. However, the magnitude of these...
Origin of feed ingredients in Dutch compound feeds
Wageningen University and Research (WUR) studied the origin of protein-rich feed ingredients, which in 2018 were applied in Dutch compound feeds. 65% of proteins...
Supplementation of a protected complex of biofactors and antioxidants on the gene expression and...
The objective of this study was to evaluate the dietary supplementation of a protected complex of biofactors and antioxidants P(BF+AOx) on the expression of...
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...
Effect of the type of diet and the addition of humic substances as growth...
In recent years, humic substances have been tested as growth promoters in animal production and are one of the promising options to face the...
Dietary approaches to control Necrotic Enteritis in broilers
Necrotic Enteritis (NE) occurs in broilers due to an overabundance of C. perfringens and is usually associated with predisposing factors which include coccidial challenge,...
Ideal amino acids and chicken gut disturbance
There is considerable interest in the development of low protein diets
with supplemental amino acids for broiler chickens due to economic, environmental and bird
welfare advantages....
The role of early experience on the behavior of hens housed in cage-free aviaries
Understanding the consequences of rearing experiences on the behavior and bone integrity of laying hens can help inform solutions to animal welfare and management...
The relationship between feed particle size, gizzard development and broiler performance
Anatomy of the stomach
The stomach of the chicken consists of two chambers, the proventriculus or glandular stomach and the gizzard or muscular stomach.
The proventriculus...
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...
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...
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...
Effectiveness of a double choice test to assess dietary taste preferences in broiler chickens
Investigations into the taste system of chickens can help to improve poultry feeding strategies. However, a comprehensive study on dietary taste preferences for broilers...
Use of commercial premixes with low levels of organic trace minerals on egg production...
Common industry practice is to supply trace minerals well above published recommendations. An experiment was conducted to examine the effects of two commercial premixes...
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...
Antioxidants in poultry nutrition and reproduction. An update
For the last three decades poultry production worldwide has made tremendous progress in terms of quantity and quality of meat and egg production, including...
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...
Fatty acids in ABF poultry production: a nutritionist’s perspective
The beneficial role of short-chain fatty acids and medium chain fatty acids on gut health and reducing pathogen colonization has been well documented over...
High levels of cottonseed meal supplemented with composite microbial enzymes
Effects of cottonseed meal supplemented with composite microbial enzymes on broiler chickens.
Soybean meal (SBM) is the premier plant protein source used by the poultry...
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...
Dietary calcium, phytate and non-phytate phosphorus, on IP6 degradation in broilers
The effectiveness of phytase is usually determined under phosphorus or both calcium and phosphorus deficient specifications. Phytase efficacy in terms of increasing available or...
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...
Low protein diets supplemented with glycine, glutamine or arginine for broilers
A previous study highlighted differences between a low protein (LP) diet and a higher concentration of amino acids (AA) for intestinal permeability and performance...
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...
The selection element in whole grain feeding regimes
Seven dietary treatments consisting of a ground grain control and six treatments with pre- and post-pellet whole grain inclusions of 7.5, 15.0 and 30.0%...
Algae products in organic poultry diets
Algae, “the not so new kid on the block” has been used in both human and animal diets dating back centuries. There is a...
Using a multi-protease enzyme in poultry diets to improve broilers performance
The present study investigates the effect of protease on the productivity of broilers under reduced crude protein (CP) and amino acid (AA) diet conditions....
NIRS study on nutritional profiles of 100 soybean meal samples from USA and Brazil
This paper compares the nutrient profile of soybean meal (SBM) samples from the USA and Brazil. Proximate analysis, total amino acids, standardized ileal digestibility...
Probiotic Bacillus licheniformis significantly improves layer performance
Adding probiotic Bacillus licheniformis DSM 28710 to layer diets was shown to improve layer performance, both in commercial as well as in research conditions....
Broiler breeders, a research on alternative feeding programs and photostimulation periods
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in Athens, Georgia, in which researchers...
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...
