The role of early experience on the behavior of hens housed in cage-free aviaries

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Understanding the consequences of rearing experiences on the behavior and bone integrity of laying hens can help inform solutions to animal welfare and management...

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 effects of a multi-enzyme and Bacillus probiotic combinations on calcium and phosphorus digestibility...

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450 day-old male Ross 308 chicks were randomly allocated to 3 dietary treatments with 6 replicate pens per treatment and 25 birds per pen....

Crude soybean lecithin and vegetable acid oil as energy sources for broiler chickens

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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...

Measurement of energy utilization in chickens

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Although corn prices have dropped from historic highs in the past years, energy continues to be one of the driving costs in poultry feeding....

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...

Low protein diets supplemented with glycine, glutamine or arginine for broilers

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A previous study highlighted differences between a low protein (LP) diet and a higher concentration of amino acids (AA) for intestinal permeability and performance...

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....

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...

Dietary starch influences performance of broiler chickens offered low-protein diets

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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...

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...

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,...

Keel bone integrity in layers – Observations, nutritional remedies, and myth-busting

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The issue of keel bone deformities and abnormalities is different depending on various housing systems for the birds. Keel fractures have received a lot...

Effectiveness of a double choice test to assess dietary taste preferences in broiler chickens

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Investigations into the taste system of chickens can help to improve poultry feeding strategies. However, a comprehensive study on dietary taste preferences for broilers...

Effects of beta glucans in poultry health and nutrition

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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...

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...

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...

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...

In Vitro evaluation of xylo-oligosaccharide production from different batches of wheat with and without...

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Supplementing poultry diets with xylanase partially depolymerizes the xylans present in the dietary cereals, reducing the number of sugars in the molecular chains. The...

Drought impacts on plant ground cover on a free range egg farm

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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...

Corn milling efficiency and particle size effects on pullet growth performance

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Corn is usually ground locally at the feed mill, while soybean meal is pre-processed and feed mills have little control over its particle size...

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...

Sea urchin waste as alternative source of calcium for laying hens

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In Italy, several tons of sea urchins are harvested annually, yet only the gonads are used for consumption; the rest, rich in calcium carbonate,...

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,...

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...

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...
broiler chickens

Supplementation of a protected complex of biofactors and antioxidants on the gene expression and...

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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...

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...

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....

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....

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...

Natural antioxidants and vitagene concept in poultry production – Second part

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From vitamins to vitagene. In this second part the focus will be on the Vitagene concept, which refers to a group of genes involved...

NSP enzymes, gut microbiota and fermentation products

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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,...

In vivo digestion of GM proteins in laying hens

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Despite all of the positive effects of modern technologies to improve corn and soybean yields, the consumer often has a different perception of the...

Black soldier fly larvae in meat chicken diets modifies the fatty acid profile in...

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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...

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...

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...

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...

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...

The bioavailability of zinc in poultry: what does literature say?

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Zinc bioavailability: zinc is an essential trace element for all the animals, including broilers. In case of deficiency, alteration of growth performance and distortion...

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...

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...

Intestinal barrier function – A case to be studied in reduced protein diets

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Maintaining intestinal health and growth remains a concern as demands increase to limit the use of antibiotics in poultry production. There is also an...

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...

Impact of grain type on performance in broilers under Necrotic Enteritis challenge

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The aim of this study was to investigate the effect of grain type on performance and gut microbiota composition in broiler chickens under a...

Use of commercial premixes with low levels of organic trace minerals on egg production...

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Common industry practice is to supply trace minerals well above published recommendations. An experiment was conducted to examine the effects of two commercial premixes...

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...

The potential of perinatal nutrition

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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...

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...

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...

Nutritional economics for commercial turkey operations

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Feed is the single biggest cost to a turkey operation, 60% to 70% of the cost of production is related to feed, with energy...

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...

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...

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...

Phytic acid reduction in canola and camelina meals

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Canola and camelina meals have been identified as alternative plant protein sources in place of soybean meal for animal feeding. The use of these...

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...

Low protein diets in broilers

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Some recent research at the Arkansas Agriculture Experiment Station Poultry Research Farm has been focused on low protein diets in broilers. Many nutritionists rely...

Effectiveness of a double choice test to assess dietary taste preferences in broilers

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Investigations into the taste system of broilers can help to improve poultry feeding strategies. However, a comprehensive study on dietary taste preferences for broilers...

Development of coccidial vaccinal immunity is not impaired by feeding oregano essential oil

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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...

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...

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....

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)....

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...

A new perspective on feeding broiler breeders

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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...

A cost-effective solution to partially replace vitamin E

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Oxidative imbalance can reduce animal productivity. If severe, it can lead to inflammation, reduced immune function and increased susceptibility to disease. Livestock producers typically...

Probiotic Bacillus licheniformis significantly improves layer performance

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Adding probiotic Bacillus licheniformis DSM 28710 to layer diets was shown to improve layer performance, both in commercial as well as in research conditions....

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%...

Precision feeding of broiler breeders

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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...

Corn co-products in broilers

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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...

Research examines alternative feeding programs and photostimulation periods for broiler breeders

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USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in Athens, Georgia, in which researchers...

High levels of cottonseed meal supplemented with composite microbial enzymes

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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...

Broiler breeders, a research on alternative feeding programs and photostimulation periods

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USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in Athens, Georgia, in which researchers...

Apparent metabolisable energy of common cereal grains for broiler chickens is influenced by bird...

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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...

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 ability of meat chickens to extract energy from wheat

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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...

Axel Aguayo joins Hubbard as Technical Sales Manager Spain & Portugal

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EMEA – Hubbard is pleased to announce the appointment of Axel Aguayo as Technical Sales Manager for Spain and Portugal. Axel is based in...

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...

Ileal amino acids digestibility in response to increasing phytase dose or MCP levels in...

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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...

Science unveils new pathway to broiler chicken growth performance

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A new tool has emerged for broiler chicken operations seeking new ways to optimize results while keeping aligned with a full range of the...

How Xylanase can improve performance of a broiler diet

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Whilst xylanase rich NSP-enzymes are used consistently in wheat based diets the question remains whether the positive response seen can be ascribed solely to...

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