Ileal amino acids digestibility in response to increasing phytase dose or MCP levels in...
Commercial broiler feed is formulated mainly with plant based ingredients including cereals and oil seeds. These ingredients provide low available P because 70-80% of...
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...
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...
Phosphorus: how low can we go in broiler diets?
Phosphorus (P) is essential for all forms of life. Dietary P content either in excess of, or below requirements may adversely affect broiler performance....
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...
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...
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...
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...
Nutritional economics for commercial turkey operations
Feed is the single biggest cost to a turkey operation, 60% to 70% of the cost of production is related to feed, with energy...
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...
Vitamin D in laying hens: how high is high enough?
In 2010, the Institute of Medicine in the United States reviewed current literature and changed the estimated average requirement of 400 IU/day to a...
Best practice in feed management
How innovative thinking and a proactive approach can ensure best practice with feed on broiler farms
In partnership with Cobb, this article examines best practice...
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...
Development of coccidial vaccinal immunity is not impaired by feeding oregano essential oil
Coccidial vaccination is an alternative to medication programmes, although vaccination can lead to impaired performance.
The objective of this study was to determine the effect...
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...
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...
Improving broiler-breeder performance with 25-hydroxyvitamin D3 of fermentative origin
25-hydroxyvitamin D3 from a fermentative source was supplemented to broiler-breeders in two separate trials, compared to standard basal diets without a 25-hydroxyvitamin D3 source....
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...
Hybrid Feed – New approach in layer hen feed at start of production
The actual genetic improvements in layer hens are providing the market with a layer hen producing saleable size eggs quicker than before and extending...
Bacterial bile salt hydrolase for a good microbiota
However, limiting antibiotics use could compromise animal production efficiency and health. Thus, there is an urgent need to develop effective alternatives to antibiotic growth...
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...
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...
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,...
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...
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...
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...
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...
Calcium nutrition, bone metabolism, and eggshell quality in longer-persisting layers
As regard layers management, rather than being depopulated at 60 to 70 weeks of age, or being moulted to allow for additional production cycles,...
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...
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...
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...
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...
Reducing undigested protein available at the intestinal wall on broilers
An experiment was conducted to evaluate the effects of supplementing an inherently thermo stable protease in broilers fed diets based on single raw materials,...
Layer nutrition associated with different production systems
The egg industry continues to grow; in the past this was in cage production, but today’s growth is focused on alternative production systems such...
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....
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...
Water quality guidelines for turkeys
Turkeys typically consume twice as much water as feed, so it is important to provide a clean, healthy water supply. Water not only serves...
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...
Feeding strategies for improved performance
When it comes to improving performance through nutrition, meeting poultry requirements in the way they want/need is paramount to fully achieve their genetic potential....
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...
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...
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...
Organic acids as feed additives: pros and cons
Organic acid salts are often included as feed additives in livestock nutrition as feed preservatives but also as growth promoters, intestinal microbiota enhancers, and...
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...
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...
Supplementing Bacillus strains in chicken diets
The present study investigated the effects of dietary supplementation of several Bacillus strains on growth performance, intestinal inflammatory and anti-inflammatory cytokines, antioxidants and tight...
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...
The potential of perinatal nutrition
Based on Darwin’s theory of adaptive evolution and Mendel’s fundamental laws of heritability, breeding and genetic selection for increased growth rate and meat yield...
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...
Expanding feed milling capacity and quality at New Rosendale’s
At a time when the North American feed industry is undergoing a dramatic transformation driven by new rules, heightened market expectations and ground-breaking technology...
Influence of age on the standardised ileal amino acid digestibility of maize and barley...
Grains are the major energy sources in broilers. However, they also supply about 40% of the total dietary protein and contribute significantly to the...
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...
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...
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%...
Performance, intestinal morphology and antioxidant status of broilers fed o-regano essential oil or an...
In this study, the effect of an oregano essential oil, or a blend of formic and propionic acids and essential oil on mineral carriers,...
Trials show oregano essential oil supports anticoccidial vaccination
Oregano essential oil, well-documented for its antimicrobial action when included in the diets of various poultry species, has been found to be particularly effective...
Broiler nutrition, future efficiency
Talking about broiler nutrition, we all want the best possible return while investing as little as possible: efficiency is the keyword to success and...
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...
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...
The importance of feeding time observation
Achieving proper bodyweight, flock uniformity, and sexual maturity at light stimulation are some of the biggest management challenges for broiler breeder farms.
Today’s breeder pullets...
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...
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...
Black soldier fly larvae in meat chicken diets modifies the fatty acid profile in...
Black soldier fly (BSF) larvae are a promising alternative feed ingredient for monogastrics,includingpoultry.However,theimpactoffeedingBSFlarvaeinbroilerdietson the fatty acid profile of the breast chicken meat remains unknown.
This...
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...
A cost-effective solution to partially replace vitamin E
Oxidative imbalance can reduce animal productivity. If severe, it can lead to inflammation, reduced immune function and increased susceptibility to disease. Livestock producers typically...
Low protein diets in broilers
Some recent research at the Arkansas Agriculture Experiment Station Poultry Research Farm has been focused on low protein diets in broilers. Many nutritionists rely...
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...
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....
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...
Why do we need low protein meat chicken diets?
The current level of protein used in meat chicken diets is linked to various issues observed in the industry including feed cost and feed...
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...
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...
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...
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 future of probiotics
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the Western University of Health Sciences in Pomona, Calif., in...
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...
Corn co-products in broilers
The expansion of the ethanol industry has increased the availability of a variety of corn co-products as feedstuffs for livestock and poultry. Of the...
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...
Dietary non-phytate phosphorus levels for laying hens in the last phase of lay
The phosphorus (P) requirement of laying hens is an area of on-going debate and it is a factor that contributes to hen performance and...
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...
