Formulating layer diets beyond the least-cost model
Due to the high cost of feed for poultry, there is continuous pressure to formulate ‘least-cost’ diets that meet nutritional requirements. However, the main...
Holistic view of intestinal health in poultry
The intestinal health of poultry has broad implications for the systemic health of birds, animal welfare, the production efficiency of flocks, food safety, and...
Salmonella Reading in commercial turkeys. Why now and how?
Salmonella sp. is one of the most common bacteria associated with foodborne illness in humans. Each year in the United States, foodborne salmonellosis causes...
Turkey arthritis reovirus. Diagnostic strategies
Avian reoviruses (ARVs). They are non-enveloped viruses of 70-80 nm size having an icosahedral symmetry. The viral genome has 10 segments of double stranded...
The relationship between sperm function and diet – Toms are what they eat
It is well known that cryopreserved semen could be used to regenerate commercial or research poultry lines; however, fertility rates from poultry semen frozen...
CAS technology is emerging as the harvesting solution of choice – Working on animal...
CAS helps reduce the stress in animals. This is a humane approach and many poultry companies are starting to take note. Animal well-being extends...
Blackhead disease: development of molecular tests and an in vitro assay to identify reservoirs...
This research project developed diagnostic assays needed for advancing the understanding of blackhead disease. The article shows clearly how the disease most likely spreads...
Poultry house environmental control during cold weather
Most people think minimum ventilation in a poultry house is all about air quality but that is only partially correct. First one should define...
Potential to produce poultry feed from food wastes
The annual food waste in Australia is estimated at 7.5 million tonnes
with the majority disposed of in landfills. This not only
causes significant economic loss...
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...
Chelated copper compared to antibiotics effect on gut health in broilers
In this study the specific interventions of chelated copper methionine hydroxy analogue (cuMHAC) and a combination of cuMHAC and an effective foregut acidifier were...
Understanding poultry lighting
A short guide to poultry lighting for layer farmers
What we do and don’t know related to cage free egg production research
During the early 2000s the pressure was on the U.S. egg industry to increase cage space and to transition from conventional cage systems to...
Perches: environmental enrichment or mechanical challenge?
The study compared the impact of wire ramps and perches on meat chicken mobility and the incidence of detached femoral caps (DFC), which can...
An alternative method to fight Avian Influenza Virus
A recent project was completed at the University of Iowa, Iowa City, Iowa, in which researchers developed a mobile system that can inactivate Avian...
Volovskiy Broiler LLC equipped with a Meyn 6,000 bph Maestro based slaughtering and processing...
Volovskiy Broiler LLC (Volovskiy Broiler) is now equipped with a Meyn 6,000 bph Maestro based slaughtering and processing line, including an integrated 3,000 bph...
Reducing the environmental impact of egg production via breeding and alternative diet
Egg production has an important role in the global production of food. For decades, we have successfully selected laying hens that efficiently produce animal...
Biosecurity practices and investments implemented by today’s poultry producers
One brick higher
The 2015 outbreak of highly pathogenic avian influenza (HPAI) virus devastated the United States poultry industry. A novel Eurasian-North American H5N2 was...
Researchers use laser for broiler house enrichment
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at Iowa State University in Ames, Iowa, in which researchers used...
ProHealth, new solutions for animal health and production sustainability
The ProHealth project is focused on understanding the multi-factorial dimension of animal pathologies linked to production and use this to develop, evaluate and disseminate effective control strategies to reduce impact.
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...
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...
AAT’s CHEGGY as a tool for in ovo sex determination of layer chicken embryos
A largescale field study
Germany has as first European country stopped by law culling of male day-old chicks from 1st January 2022 onwards. In February 2022,...
Research shows how Infectious Laryngotracheitis can spread from vaccinated flocks
The research on how Infectious Laryngotracheitis can spread from vaccinated flocks was made possible in part by an endowing Foundation gift from Claxton Poultry...
Does the external climate matter?
The optimum climate parameters for embryo development – temperature, humidity, and the balance between oxygen supply and carbon dioxide release from the incubator –...
Genetic evaluation of body weight and tibia resistance in broilers
In this study, genetic parameters of important traits related to body weight and bone resistance were investigated in a paternal broiler line. Data from...
Interrupting cholesterol pathway reduces Marek’s disease spread
In a new discovery, scientists from The Pirbright Institute confirm that cholesterol production and transport play a crucial role in how Marek’s disease virus...
Improving poultry products safety
The research is part of the Association’s comprehensive research program encompassing all phases of poultry and egg production and processing.
Dr. Hong Zhuang at...
A novel microbiome metabolic modulator improved growth performance and intestinal morphology during a coccidiosis...
The present study was designed to investigate the effects of a precision glycan Microbiome Metabolic Modulator (MMM) on growth performance and gut health parameters...
Informative Processing School in Malaysia
A highly successful four-day processing school was held in Malaysia for Aviagen® personnel to improve their knowledge and understanding of the impact of the...
Roxell pan feeder system: the ultimate alternative to beak treatments
Jan Hoving from Zeewolde (NL) tested this Roxell solution at his rearing farm. For him, the decision to use Natural Beak Smoothing was a...
Water holding capacity in poultry breast meat
Water holding capacity (WHC) is defined as the ability of meat to hold its inherent and added moisture during fabrication, processing, and storage.
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...
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...
10 alerting signs of poor ventilation
Proper ventilation is basic in poultry farming as it reduces mortality, stimulates early feed intake, improves flock uniformity, and ensures an adequate temperature regulation.
Here...
Maternal stress, the potential impact on broiler breeders and subsequent chick development
Managing stress in broiler breeders has been a continual topic of discussion since the early 1980’s, but our understanding of stress and its influence...
Biosecurity measures and new vaccines to combat the spread of bird flu
The recent H5N6 bird flu outbreak is confined to the south of England, partly due to the introduction of an Avian Influenza Protection Zone...
Impact of investment in Hendrix Genetics’ breeding and testing program
With the upcoming release of the new performance standards for Hendrix Genetics’ laying hens, it is important to examine factors contributing to the genetic...
How to house happy birds by Vencomatic Group
Happy birds produce best. Aviary systems were invented to provide laying hens with maximum freedom, while using floor space efficiently. Aviaries consist of multiple...
The effects of diet and epigenetic alterations on the gut microbiome, inflammation and poultry...
The gut microbiota is a fundamental force influencing diverse aspects of avian physiology. Microbiome studies are at a critical juncture and facing a challenging...
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...
Frontiers in human and veterinary antibody discovery
The Pirbright Institute hosted the inaugural Comparative Veterinary Immunology Group (CVIG) meeting Frontiers in Human and Veterinary Antibody discovery on 26 and 27 November,...
How Xylanase can improve performance of a broiler diet
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...
Poultry gut health critical to NAE production
The production of “No Antibiotics Ever” (NAE) poultry is a common trend worldwide today. Despite scientific evidence indicating that specific antibiotic growth promoters (AGP)...
Minimizing antibiotic use in broiler production
Many countries are being asked to reduce or eliminate antibiotic use in poultry, due to growing concerns about the use of antibiotics in food-producing...
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...
Impact of layer alternative systems on management and production costs
The use of alternative systems in layer farming has increased in the commercial egg industry due to pressure arising from consumers concerns about hen...
Effects of corticosterone injection at embryonic day eleven on broiler growth and tonic immobility
Elevated corticosterone in ovo can have significant lasting impacts in avian species, including poultry. Stress in broiler breeder hens can lead to elevated corticosterone...
Antimicrobial drug resistance in poultry. What do we know about risk factors?
There is an increasing amount of published surveillance and diagnostic submissions data, providing information on prevalence and trends of antimicrobial drug use and antimicrobial...
Healthy, uniform day-old chicks require hatchery accurate climate data
In a modern hatchery, climate data are collected from various sensors installed in incubators and hatchery rooms, and from handheld measuring instruments. The performance...
Gut health and Coccidiosis
In poultry, gut health is fundamental and the gastrointestinal tract accounts for twenty percent of the energy expenditure of the whole body. This energy...
Relationship between plumage and body condition in non-debeaked laying hens
As result of the EU Council Directive 99/74/EC of 19 July 1999 laying down minimum standards for the protection of laying hens, the use...
To feed or not to feed? That is the question. Is the early feeding...
Development of the avian embryo, or chick, can be categorized into one of two strategies designed to meet very different physiological and biological needs....
Boosting the cell-mediated immunity in chickens post-hatch via pre-hatch delivery of nucleic acids
Respiratory virus infections such as Avian Influenza, infectious laryngotracheitis and infectious bronchitis lead to high morbidity and mortality in chickens globally.
Given the limitations...
Some basic suggestions to improve breeder management
Dr. Keith Bramwell, a former professor in the Department of Poultry Science at The University of Arkansas, and Hatchery Consultant for Jamesway Incubator Company...
A more sustainable poultry production
Researchers must find other approaches to food production and processing - and in particular for poultry production - using new technologies in conjunction with...
Management of slow growing broilers for profit
Chicken is consumed in larger quantities than either beef or pork largely due to its relatively low fat and high protein content when compared...
Biosecurity: cleaning and disinfection
The first step of any disease prevention program starts with a comprehensive plan for cleaning and disinfecting.
Cleaning poultry breeder houses
The first step of any...
Researchers develop practical solar heater for poultry houses
USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at North Carolina State University in Raleigh, N.C., in which researchers...
Turkey breeding – Where from, Where to? – Domestication of animals was a major...
All species of today’s domestic plants and animals followed an analogous pattern of multi-generational change influenced by humans. The modern populations of turkeys followed...
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...
Rendering: an important aspect of sustainability
At the International Rendering Symposium, held in conjunction with the 2017 International Production & Processing Expo in Atlanta, Ga, it was stressed how rendering is an important aspect of sustainability. Animal agriculture in general is more sustainable with rendering processes.
Low protein diets downregulate hepatic enzymes
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...
Pirbright’s livestock coronavirus research
The Pirbright Institute is aware that misinformation regarding the Institute and its research is circulating on social media following an outbreak of a new...
Dietary approaches to control Necrotic Enteritis in broilers
Necrotic Enteritis (NE) occurs in broilers due to an overabundance of C. perfringens and is usually associated with predisposing factors which include coccidial challenge,...
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...
Cost-effective biosecurity management practices
An effective flock health plan must integrate solid strategies for disease prevention, rapid diagnosis, and effective treatment to support poultry health. To attain this...
Breast meat quality affected by wooden myopathy
Wooden breast (WB) is a myopathy that affects meat quality traits in modern broilers and it has been associated with an increased BW gain...
Prevention and control of biofilm in water line systems as part of biosecurity protocols
This paper does not address
the situations in which the microbiological quality of the water
has been compromised from the beginning; rather, this paper addresses how
drinking...
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...
Heat stress causes inhibition of Eimeria replication in broilers
Eimeria infection is one of the most important diseases affecting poultry production, and is characterized by bloody or watery diarrhea, weight loss, poor feed...
New board research initiative grant focused on animal welfare
$110,000 in funding for a new research grant addressing animal welfare. The topic and request for proposal were selected by the USPOULTRY board of...
Effects of probiotic bacillus Amyloliquefaciens H57 on performance and intestinal microbiota of chickens
Direct fed microbials are a potential probiotic alternative to antibiotic
growth promoters for improving animal production and preventing enteric pathogen
infections. We are studying the effects...
Checking and calibrating sensors: essential preventive hatchery maintenance
We expect incubators to function 24/7 without disruption - and with the highest levels of accuracy from the sensors in particular, on whose outputs...
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...
The role of feed additives in the protozoal diseases in poultry
Coccidiosis and histomoniasis are economically significant diseases in chickens and turkeys. Management, vaccination and medication are key tools in the control of these diseases...
Aviagen slower-growing breeds get seal of approval from key European welfare schemes
Europe is experiencing an increase in demand for slower-growing breeds. The momentum of this poultry market sector is likely to follow on an upward...
Enhancing biosecurity using flow analysis and Danish entry concepts
The term Danish entry is commonly used to describe entryways to livestock buildings that help people enter barns in a relatively bio secure way...
Incubation temperatures influence muscle growth and energy in broiler embryos
In ovo embryogenesis in broiler can be modulated by alteration of external factors, like the incubation temperatures, as shown in several publications.
Embryonic myogenesis in...
Selection criteria in turkey breeding
The turkey industry supply chain flows from the breeders through a number of multiplication phases, which culminate in commercial birds being grown and processed...