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...
Replacing soy in broiler diets. Effect on performance, carcass yield and cost of production
The objective of the present study was to evaluate the effect of replacing soybean meal (SBM) in broiler diets on performance, carcass quality and...
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...
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...
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....
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...
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...
Nutritional modulation of broiler intestine in the starter period and intestinal integrity
Gut health which is characterized by intestinal integrity, intestinal microflora, mucin and enterocyte functionality, may be of greatest concern among poultry producers because it...
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...
Performance, immunity and blood biochemical parameters of broiler chickens fed diets containing Kappaphycus alvarezii
Kappaphycus alvarezii (KPA) can be incorporated at 1.50% in diets for improved performance, immuno-responsiveness and blood biochemical parameters in broiler chickens.
Introduction
Kappaphycus alvarezii (KPA) is...
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...
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...
Improving feeding efficiency with innovating products
At Trouw Nutrition they have focused their innovation in the poultry business on finding new ways of achieving improved feeding efficiency and enhanced performance...
Rise of Yeast Bioactives expands the toolbox for livestock operators
Canadian Bio-Systems receives Veterinary Health Products approval for Maxi-Nutrio® Liquid, a yeast bioactive technology.
An innovative new category of science-powered yeast technology, with dynamic potential to...
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...
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...
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...
Meta-analysis of genetic parameters of feed conversion and related traits in chickens
The objective of this study was to estimate the impact of some factors on heritability estimates of
body weight (BW), feed conversion ratio (FCR),
feed
intake (FI),...
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...
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,...
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...
Natural antioxidants and vitagene concept in poultry production – Second part
From vitamins to vitagene. In this second part the focus will be on the Vitagene concept, which refers to a group of genes involved...
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...
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...
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...
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...
VAL-CO, clean and dry feed from delivery to consumption
A VAL-CO feed storage and transport system is designed to keep feed clean and dry from delivery to consumption. Store your feed in our...
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...
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...
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...
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...
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...
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...
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 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...
Impact of grain type on performance in broilers under Necrotic Enteritis challenge
The aim of this study was to investigate the effect of grain type on performance and gut microbiota composition in broiler chickens under a...
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...
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...
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....
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....
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...
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...
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...
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...
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...
The value of digestibility coefficients and protein
At all times and for all human cultures animal protein took an important part of nutrient supply and has been always of a high...
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...
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...
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...
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....
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,...
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%...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Effect of some biological factors on the performance of broiler breeder hens
This study was carried out at the Poultry Research and Development Unit, El Wadi Company Farms and Poultry Nutrition Laboratory, Environmental Studies and Research...
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...
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...
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...
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...
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....
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...
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...
Response of broilers fed phytase enzymes of different optimal pH ranges alone or in...
Dr. Kelley Wamsley and colleagues at the Mississippi State University Poultry Science Department recently completed a research project that investigated how broilers respond when...
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...
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...
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...
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...
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...
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...