The role of mechanistic theory in delaying the development of NSPases

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This brief paper attempts to review the history of development of the mechanistic theories for NSPases and how this has possibly delayed advances. NSPase feed...

Ideal amino acids and chicken gut disturbance

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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....

Animal feed probiotics market expands as antibiotic-free nutrition gains momentum

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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...

Effect of two different fibre sources on growth and immune function in grower layer-pullets

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This study was conducted to evaluate the effect of two different fibre sources on pullet growth, gut immune tissue, and lymphocyte proliferation of strain...

Thoughts on diet energy. Definitions, requirements and alternatives

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Energy is by far our most expensive nutrient, yet surprisingly we never receive guarantees when we trade ingredients or manufacture diets. Energy level dictates...

H7N9 flu mutation identified that allows immune system escape

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The research, published in the Journal of Virology, demonstrated that small genetic differences in the virus surface proteins can prevent antibodies that protect against...

Short chain fatty acids and poultry gut health

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Due to customer demands, producers have been asked to change the way they grow production animals, specifically through the removal of antibiotics. With this...

Effect of the type of diet and the addition of humic substances as growth...

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In recent years, humic substances have been tested as growth promoters in animal production and are one of the promising options to face the...

Feeding strategies for improved performance

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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....

IFIF: Better nutrition for improved animal health

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The International Feed Industry Federation (IFIF) underlined its commitment to supporting efforts by the World Organisation for Animal Health (OIE) to strengthen animal health...

A synergistic herbal alternative combination: curcumshield vs poultry infections – a broad-spectrum study

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Introduction In the case of bacterial infections, various categories of antibiotics – especially synthetic ones – are widely used as broad-spectrum bacteriostatic and bactericidal agents....

FAO published a report on animal nutrition strategies

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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...

Transgenerational impact of broiler breeder nutrition

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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....

Evaluation of anti-inflammatory capacities of bacillus-based probiotics using an in vitro intestinal cell model

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With the evolution of genetic potential of modern broilers, transforming the large feed intake into protein deposition is a real challenge for the digestive...

Broiler management and feed formulation approaches in hot environments

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High temperatures can be an obstacle in livestock production particularly in tropical regions. Broilers are more susceptible to high ambient temperatures because they lack...

Effect of some biological factors on the performance of broiler breeder hens

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This study was carried out at the Poultry Research and Development Unit, El Wadi Company Farms and Poultry Nutrition Laboratory, Environmental Studies and Research...

Feed borne mycotoxins: the threat to poultry?

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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 dietary insoluble and soluble non-starch polysaccharides on performance and ileal and excreta...

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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...

Influence of feed form and particle size on the performance and nutrient utilisation of...

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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...

Spirulina platensis Algae, a novel poultry feed additive

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Identifying alternative replacements for soybean meal in a high quality and reasonable price is of importance in poultry production and physiological parameters. Spirulina platensis...

What is the influence of nutrition and management on egg weight?

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Managing egg weight is important for farmers and can greatly vary depending on market demand. Obtaining an egg size in line with market demand...

The selection element in whole grain feeding regimes

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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%...

Feed Conversion Ratio optimized for farmer profit

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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 different dietary treatments for woody breast

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USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at Auburn University in Auburn, Alabama, in which researchers examined different...

Phytase efficacy in young turkeys versus young broilers

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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...

Effects of yeast and its derivatives on meat yield

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The present experiment was designed to determine the effects of yeast and its derivatives on meat yield and hematological indices of broiler chickens challenged...

Priming young birds for gut health and resilience

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This brief review focuses on the types of fibre that the nutritionist should be considering and how a phase feeding strategy should not only...

NIRS study on nutritional profiles of 100 soybean meal samples from USA and Brazil

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This paper compares the nutrient profile of soybean meal (SBM) samples from the USA and Brazil. Proximate analysis, total amino acids, standardized ileal digestibility...

Nutritional modulation of broiler intestine in the starter period and intestinal integrity

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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 downregulate hepatic enzymes

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Low protein diets have clear benefits for the poultry industry with regards to health, welfare and production. Dean et al., (2006) found that supplementing low...

Barley in pelleted broiler starter diets: effects of carbohydrase supplementation and steam-conditioning temperature

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The effect of pelleting barley-based diets on bird performance and nutrient utilisation depends, in part, on the conditioning temperature (CT) used. The influence of...

Protein digestive dynamics influence growth performance of broiler chickens

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Three apical diets were formulated to stimulate different protein digestion rates dependent on the major constituents: standard (soybean meal), rapid (whey protein) and very...

Using more bioavailable sources of trace minerals pays off

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A study of broiler breeder performance was conducted using three separate minerals programmes. The objective was to determine if productivity could be maintained at...

Antioxidants in broiler breeder diets can affect offspring performance

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In a series of experiments, it was shown that antioxidants in broiler breeder diets can affect broiler performance trans-generationally. To study this, a polyphenol...

Impact of dietary soluble non-starch polysaccharide levels on the gastrointestinal environment of young broilers

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The dietary fibre content of broilers diets is frequently neglected during feed formulation, despite the prevalence of fibrous material in feed ingredients and notable...

The effect of microbial challenge on the intestinal proteome of broilers

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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...

Layer nutrition associated with different production systems

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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...

Chelated copper compared to antibiotics effect on gut health in broilers

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In this study the specific interventions of chelated copper methionine hydroxy analogue (cuMHAC) and a combination of cuMHAC and an effective foregut acidifier were...

Organic acids as feed additives: pros and cons

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Organic acid salts are often included as feed additives in livestock nutrition as feed preservatives but also as growth promoters, intestinal microbiota enhancers, and...

Best practice in feed management

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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...

Trials show oregano essential oil supports anticoccidial vaccination

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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...

Fatty acids in ABF poultry production: a nutritionist’s perspective

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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...

Changing role of poultry nutritionist in a changing industry

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Reflecting back on 30 years of working in the poultry industry as nutritionists we realize that the biggest changes that have occurred have mostly...

EU compound feed production market forecast 2025

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FEFAC market experts forecast continued stability in the EU compound feed production market for 2025. The total industrial compound feed production in the EU27...

Feed physical quality

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The effect of feed form is well established, however, feed physical quality is often seen as an issue in the field (see Figure 1)....

Dietary non-phytate phosphorus levels for laying hens in the last phase of lay

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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...

Bacterial bile salt hydrolase for a good microbiota

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However, limiting antibiotics use could compromise animal production efficiency and health. Thus, there is an urgent need to develop effective alternatives to antibiotic growth...

Using a multi-protease enzyme in poultry diets to improve broilers performance

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The present study investigates the effect of protease on the productivity of broilers under reduced crude protein (CP) and amino acid (AA) diet conditions....

The challenge of feeding modern broiler breeders

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Broiler breeders are expected to produce about 150 chicks in 40 weeks of production and even though it is commonly believed that selection for...

Algae products in organic poultry diets

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Algae, “the not so new kid on the block” has been used in both human and animal diets dating back centuries. There is a...

The value of digestibility coefficients and protein

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At all times and for all human cultures animal protein took an important part of nutrient supply and has been always of a high...

Nutritional implications of antibiotic free rearing of broilers

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The gradual reduction in the use of AGP coincided with an increase in the therapeutic use of antibiotics on farm level. Especially in broiler...

Requirement of digestible calcium at different dietary concentrations of digestible phosphorus for broiler growers

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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,...

A dose response of a heat stable phytase on broiler performance and nutrient digestibility

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Phytases have been heavily researched for decades and been used commercially since the early 1990s. Phytase from microbial origin is therefore added to monogastric...

Additivity of ileal amino acid values of sorghum with different protein sources

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Sorghum is used widely in Australian poultry diets, primarily as an energy component. It is usually fed in diets that contain wheat but may...

Rise of Yeast Bioactives expands the toolbox for livestock operators

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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...

Effect of arginine and lysine on broiler chickens

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Arginine is an essential amino acid for poultry and plays crucial roles in different biological pathways. Recent findings highlighted that the recommended levels of...

Performance, immunity and blood biochemical parameters of broiler chickens fed diets containing Kappaphycus alvarezii

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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...

Influence of age on the standardised ileal amino acid digestibility of maize and barley...

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Grains are the major energy sources in broilers. However, they also supply about 40% of the total dietary protein and contribute significantly to the...

NRGene to offer the first broad soy diversity & haplotype database

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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...

The use of moringa oleifera leaf meal (MOLM) and its extract in low protein...

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The objective of the present study was to evaluate the effect of incorporating different levels of MOLM and its extract - as natural antioxidants...

Challenges in poultry feeding

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Poultry producers around the world continue to struggle with high production costs for poultry feeding, largely due to volatility in prices for basic feed...

Early introduction of whole-grain diets to broiler chickens

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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...

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Dr. Kelley Wamsley and colleagues at the Mississippi State University Poultry Science Department recently completed a research project that investigated how broilers respond when...

Taking phytase superdosing from scientific concept to commercial application: a UK example

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Scientific research is based on carefully designed experiments, performed in carefully controlled conditions with the outcome measured as accurately as possible, using a range...

Benefits of non-synthetic, natural oregano essential oil in pullet rearing

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Feeding oregano essential oil to pullets during rearing can help to improve flock uniformity, reproductive fitness and feed efficiency, according to research undertaken at...

Nutritional additive strengthens bones in layer hens

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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....

Broilers diets with high and low net energy but similar metabolisable energy

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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...

Modification of the chicken intestinal epithelial physical barrier in poultry by dietary factors

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The intestinal epithelial physical barrier is the most critical element of maintaining an intact intestinal barrier and made up of a layer of columnar...

Site and extent of digestion on poultry production

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In poultry formulation and production of feed has evolved extensively in the last century with the identification of required nutrients, and subsequent and continuing...

Calcium nutrition, bone metabolism, and eggshell quality in longer-persisting layers

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As regard layers management, rather than being depopulated at 60 to 70 weeks of age, or being moulted to allow for additional production cycles,...

Effects of probiotic Bacillus amyloliquefaciens H57 on performance and intestinal microbiota of chickens

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Probiotics (direct fed microbials) are a potential alternative to antibiotic growth promoters for improving animal production and preventing enteric pathogen infections. The Authors are...

Hybrid Feed – New approach in layer hen feed at start of production

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The actual genetic improvements in layer hens are providing the market with a layer hen producing saleable size eggs quicker than before and extending...

Bacillus Subtilis improves performance of broilers fed medicated or non-medicated feed

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Animal digestive health is key to obtain optimal performance. Antibiotic growth promoters (AGPs) have long been shown to be very effective to develop and...

Antioxidants in poultry nutrition and reproduction. An update

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For the last three decades poultry production worldwide has made tremendous progress in terms of quantity and quality of meat and egg production, including...

Development and evaluation of probiotics

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As restrictions to antibiotic growth promoters (AGP) have become more prevalent, producers have turned to several technologies as probiotics - Direct Fed Microbials to...

Metabolisable energy of ingredients in peak layers

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Layer nutritionists typically rely on apparent metabolisable energy data generated in broilers as layer AME data are less available. The bioassays are typically conducted...

A cost-effective poultry feed additives solution to partially replace vitamin E

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Livestock producers typically use feed additives such as vitamin E to increase the antioxidant capacity of animals and minimise economic losses. Recently, the price of...

Expanding feed milling capacity and quality at New Rosendale’s

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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...

Can xylanase inhibitors affect the efficacy of xylanases in poultry diets?

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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...

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