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....

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...

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...

Immediate post-hatch nutritional restriction in broilers

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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...

Lowering dietary calcium and available phosphorus in broilers

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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),...

Low protein diets down regulate hepatic enzymes

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

Replacing soy in broiler diets. Effect on performance, carcass yield and cost of production

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The objective of the present study was to evaluate the effect of replacing soybean meal (SBM) in broiler diets on performance, carcass quality and...

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...

Sustainable chicken meat production is enhanced by tangibly reduced crude protein diets

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The environmental impact of soyabean meal is estimated to be approximately three times that of grain and successful implementation of reduced crude protein diets...

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....

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...

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...

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....

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...

Why do we need low protein meat chicken diets?

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The current level of protein used in meat chicken diets is linked to various issues observed in the industry including feed cost and feed...

Growth begins in the gut

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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...

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...

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...

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...

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...

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...

Supplementing Bacillus strains in chicken diets

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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...

Feeding broilers of the future

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The only way to maintain production is to improve the understanding of precision nutrition so that producers can feed broilers with low or no...

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...

The effects of in-ovo feeding

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In-ovo feeding is a key issue in poultry. The embryonic and immediate post hatch developmental period represents a significant phase in attaining quality broiler...

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...

Comparative sustainability of differing dietary amino acids and energy regimes for individual laying hens...

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Poultry production has been identified as an efficient source of terrestrial, farmed animal protein. However, in tandem with all food production, sustainability into the...

Improving broiler-breeder performance with 25-hydroxyvitamin D3 of fermentative origin

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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....

The importance of feeding time observation

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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...

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...

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...

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...

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...

Copper influences broilers’ performance and growth

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Copper (Cu) is an essential component involved in a wide variety of biochemical processes. It must be supplemented in the trace mineral premix as...

A rationale for elevated free threonine plasma concentrations in chickens offered reduced-crude protein diets

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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

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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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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....

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...

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...

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...

Methionine supplementation reduces plasma amino acid circulation and enhanced apparent digestibility in broiler chickens

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The objective of this study was to evaluate the impact of methionine supplementation on amino acid concentration in systemic plasma, apparent amino acid digestibilities...

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...

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...

Effect of multi-xylanase system on growth performance and gut health in broilers

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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...

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...

Inclusion of black soldier fly larvae in a meat chicken diet has minor effect...

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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...

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...

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...

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...

Lactobacillus acidophilus D2/CSL (CECT4529): 35 years of Italian research (1985-2020)

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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...

Dietary energy, digestible lysine and available phosphorus levels influence growth performance and carcass traits...

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Energy (E) and amino acids (AA) are two of the most expensive components in broiler diets. There is no general consensus regarding the interaction...

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...

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...

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...

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...

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...

Phosphorus: how low can we go in broiler diets?

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Phosphorus (P) is essential for all forms of life. Dietary P content either in excess of, or below requirements may adversely affect broiler performance....

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...

Dietary calcium, phytate and non-phytate phosphorus, on IP6 degradation in broilers

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The effectiveness of phytase is usually determined under phosphorus or both calcium and phosphorus deficient specifications. Phytase efficacy in terms of increasing available or...

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...

Energy utilization in broilers fed a sorghum-based diets supplemented with phytase and carbohydrases

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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...

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...

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,...

Natural antioxidants in poultry production

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From vitamins to vitagenes - First part In general, there are four major types of stress in poultry production: technological, environmental, nutritional and internal stresses....

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...

Reducing undigested protein available at the intestinal wall on broilers

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An experiment was conducted to evaluate the effects of supplementing an inherently thermo stable protease in broilers fed diets based on single raw materials,...

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...

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...

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...

Challenges in longer laying cycle. Stabilizing egg quality

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In the past 50 years, selection, initially at the breed level and then using quantitative genetics coupled with a sophisticated breeding pyramid, has resulted...

Effects of low protein and balanced amino acid levels on birds under subclinic NE

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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...

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