Gene-edited chicken cells resist Avian Influenza virus in the lab
Cobb-Vantress, Inc. / Siloam Springs, Arkansas, USA: In newly released research, scientists from The Roslin Institute have prevented the Avian Influenza virus from replicating in lab-grown...
Egg bacteriological study
Eggs from 10 commercial brands were selected in different types of housing: cage and on the floor (free of cage) obtained from 4 supermarket...
Cleaning and disinfection as strategic tools for avian production
Biosecurity, defined as all measures taken to prevent both the introduction and the spread of infectious agents on the farm, is of key importance...
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...
The benefits of nipple drinker catch trays
USPOULTRY and the USPOULTRY Foundation announced the completion of a funded research project at the University of Georgia in Athens, Georgia, in which researchers...
Biosecurity: protecting animal health to sustain the supply chain
Safeguarding animal health is of paramount importance to any country’s economy and food supply. Livestock with a clean health status is an important requirement...
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...
Consequences of outdoor ranging on external and inter-nal health parameters of hens from different...
Free-range layer pullets are typically reared indoors within Australia, but adult layers go outdoors which might cause poorer adaptation due to the mismatch between...
Detection and quantification of Gallibacterium anatis and Mycoplasma synoviae
Mycoplasma synoviae is one of the most common preconditions for secondary bacterial infections in poultry. It causes subclinical infections of the upper respiratory tract,...
Turkey dermatitis/cellulitis: where are we headed?
Clostridium septicum is a ubiquitous, spore-forming bacterium associated with spontaneous gas gangrene in both livestock and humans. The spores can persist in harsh environments,...
Prevalence and antimicrobial resistance of thermophylic Campylobacters in poultry
Campylobacter spp. is a leading cause of foodborne diarrhea. The most common source of infection is contaminated food, mainly poultry meat.
The uncontrolled use of...
Managing CO2 and fresh air to optimise hatchability
Last year I was invited to a layer hatchery that was reporting slightly lower hatchability than its sister hatcheries, despite using eggs from the...
Additivity of ileal amino acid values of sorghum with different protein sources
Sorghum is used widely in Australian poultry diets, primarily as an energy component. It is usually fed in diets that contain wheat but may...
Development of coccidial vaccinal immunity is not impaired by feeding oregano essential oil
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...
Managing eggs and chicks from young breeders
First week mortality is often higher in chicks from very young breeders (25-30 weeks) than in chicks from older breeders. What causes these chicks...
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...
Practical views on global poultry nutrition – Second part
The demand for poultry meat will increase because of population growth and changing socio- economic factors. Resources will become constrained and changing consumer perceptions...
Sample management and handling for diagnostic testing
Diagnostic testing is an important and widely used tool in commercial poultry husbandry. A key to best use of diagnostic testing, is to begin...
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...
Pirbright research to boost vaccine production
Scientists at the Pirbright Institute have received money, which will enable research into boosting vaccine yields by up to ten fold. The funding was...
Effects of yeast and its derivatives on meat yield
The present experiment was designed to determine the effects of yeast and its derivatives on meat yield and hematological indices of broiler chickens challenged...
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...
Management best practices: small details can have the big-gest impact
Raising turkeys is equal parts science and art. It involves precise measurement of various factors throughout the life of the flock. It also requires...
Detection of antibodies against Chlamydia species in chicken serum
Avian chlamydiosis is a bacterial infection caused by Chlamydia bacteria. The currently available tests distinguish Chlamydia species based on genetic material. Researchers from Wageningen...
Re-programming of broiler growth and immunity through changes in breeder hen bodyweight
Reprogramming of broiler growth and developmental events is increasingly recognised as having lifelong effects on animal health, welfare and productivity. Whilst most studies have...
The role of early experience on the behavior of hens housed in cage-free aviaries
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 the lighting and feeding regimen during rearing on Hy-Line brown pullet growth...
The impact of two lighting and three feeding programs during rearing on pullet body weight (BW), feed intake (FI), organ characteristics and start of...
Gaining a better understanding of incubation in a hatchery
The contemporary hatchery is a complex installation. The core part is the incubators, supported by the devices that facilitate their function and auxiliary machines...
Brooding
Getting chicks off to a good start is very important to overall flock performance. At no time does a bird grow faster than during...
Enumeration of Ascaridia Galli eggs in chicken excreta
Excreta counting techniques in eggs can provide valuable information for assessing flock infection levels, selecting nematode resistant chicken breeds and for determining anthelmintic efficacy.
Although...
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...
Flip-overs: causes and solutions in brooding
The poult start is an extension of the hatching process. The whole process, including poult placement, is only as strong as its weakest link.
William...
Determining the correct temperature for transporting 18-day incubated eggs
On-farm hatching is now fairly common in some countries, it requires incubated eggs to be transported from the hatchery to the farm at 18–18.5...
Continuous monitoring and control of mycoplasma for sustainable poultry production
Mycoplasma gallisepticum (MG) and Mycoplasma synoviae (MS) remain persistent pathogens in poultry, causing respiratory disorders, synovitis, uneven growth, and reduced egg production. Determining the...
Egg deposition of maternal testosterone is controlled by the pre-ovulatory peak of luteinizing hormone
Variability of androgen concentrations in the avian egg is often explained by an adaptive hypothesis according to which differential maternal deposition of yolk hormones...
A diagnostic laboratory perspective for pathogen detection
Detection of infectious diseases can generally be broken down into laboratory detection of the pathogen or detection of the immune response to the pathogen....
Peak food and our quest for an ethical and ecologically sustainable production
Crude analyses of sustainable global resource use suggest that the peak rate year for commercial poultry production was reached in 2006 while projections indicate...
Novel genome technologies to ensure future biodiversity and global protein request
A new collaborative research and development project between Cobb-Vantress and The Roslin Institute brought scientists and industry experts together to address food security needs...
Microbiological consequences of different housing systems for laying hens, with particular reference to Salmonella...
A significant proportion of human illnesses caused by Salmonella are linked to the consumption of contaminated eggs. In response, substantial government and private industry...
Metabolic differences in the blood of chick embryos
A study was conducted in order to investigate metabolic differences in the blood of chick embryos and post-hatch chicks from two egg sizes and...
Protein digestive dynamics influence growth performance of broiler chickens
Three apical diets were formulated to stimulate different protein digestion rates dependent on the major constituents: standard (soybean meal), rapid (whey protein) and very...
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....
Management of ectoparasites in cage-free housing systems
As cage-free systems become more frequent in poultry production, we are forced to evaluate how pest control measures should adapt to ensure efficacy.
The...
Researchers investigate the characteristics of Turkey Hepatitis Reovirus
USPOULTRY and the USPOULTRY Foundation announced the completion of a funded research project at the University of Minnesota in which researchers investigated the characteristics of Turkey...
Partially slotted flooring systems for market toms – What are the possibilities?
Avian influenza virus is stable longer in moist and cool conditions. Depending on seasonal and production conditions barn air and litter (bedding) moisture can...
Understanding resistance to different Infectious Bronchitis virus genotypes
In previous experiments, we have challenged major histocompatibility complex (MHC) congenic chicken lines available at UC Davis with an infectious bronchitis virus (IBV) M41...
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...
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...
Chicken study probes resistance to food bug
Receiving gut microbes from resistant chickens does not lessen chickens’ susceptibility to bacterium that causes food poisoning.
Susceptible chickens became even more susceptible to Campylobacter,...
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...
A multidisciplinary research approach on Avian Influenza in Italy
The Avian Influenza epidemic of 2016-2017 had been the largest in Europe in more than 10 years. The circulating virus was a Highly Pathogenic...
Barley in pelleted broiler starter diets: effects of carbohydrase supplementation and steam-conditioning temperature
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...
A new view of how class I molecules fight diseases
Classical class I molecules of the major histocompatibility complex (MHC) play crucial roles in defence against viruses.
The class I molecules bind pieces of protein...
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...
Rapid in vitro antimicrobial screening assay against Campylobacter
Research was undertaken to adapt a multi-well antimicrobial assay as a fast and reliable method to screen large numbers of plant extract treatments against...
Lasers prevent the spreading of the Avian Influenza virus
Wageningen University released their research on a poultry farm that suffered visits from wild waterfowl, which are a source of Avian Influenza virus. The...
Solar energy ensures cost-efficiency
Solar energy radiation means revenues – at least for farmers who have successfully harnessed renewable energies. However, with the latest amendment to the Renewable...
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...
Protozoal management in turkeys
The two turkey protozoa that cause significant animal welfare and economic distress include various Eimeria species of coccidia and Histomonas meleagridis. For coccidia, oral...
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...
Spent hens: Can we improve their welfare?
The aim of this study was to observe the improvement in welfare indicators of spent hens kept in three different housing systems.
Sixteen Isa...
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)...
Dietary xylanase improves growth performance and cost savings in broiler chickens fed a corn-soybean...
The increased demand to reduce production costs, as well as concerns about the environment, have resulted in pressure on poultry producers to increase dietary...
NRGene to offer the first broad soy diversity & haplotype database
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...
Get the most from your diagnostic laboratory.
A field perspective.
You notice the
mortality is up this morning in one of your brooder houses. Your first thought
might be “better take some birds to...
Engineering vaccines for multiple strains of IBV
In new work funded by a Biotechnology and Biological Sciences Research Council (BBSRC) researchers at The Pirbright Institute and The Roslin Institute have published...
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...
Nectra OVOSEX1 – Brown layer in-ovo sexing machine & technology
NECTRA is a worldwide leader in automated hatchery equipment, providing comprehensive solutions for handling and analyzing live fertile eggs and embryos up to the day-old...
Diagnostic strategies for the control of avian Mycoplasmas
Mycoplasmas are bacteria without the cell wall which cause infections in poultry especially at respiratory and articular level.
They are the smallest single-celled organisms found...
Effective fumigation of hatching eggs to improve hatch results
Microbial contamination of hatching eggs is a main concern of hatcheries as it causes decreased hatchability, poor chick quality, growth and performance. It is...
Estimated total cereal production in the EU-27 for the 2022 harvest
Experts from the Copa and Cogeca working groups on cereal and oilseed gathered in Brussels, with an estimated total cereal production of 277 million...
Integrated Microfluidic Device for rapid Avian Influenza virus capture
Rapid detection of avian influenza virus (AIV) is highly desirable during outbreaks or routine AIV surveillance.
In this project, the preliminary results in developing a...
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...
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...
How a single Avian Influenza protein can increase period of infection
New research led by scientists at The Pirbright Institute has shown how an Avian Infuenza a virus protein, called PB1-F2, is able to shut...
The use of antibiotics in the poultry industry
Antimicrobial resistance in human and animal isolates in the E.U. remains a significant problem despite the bans of antibiotic growth promoters and the reductions...
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 –...
Innovative approaches to egg sexing
The rise of specialized layer genetics in the mid-20th century introduced a lasting challenge for egg producers: identifying and culling male chicks. This practice...
Methionine supplementation reduces plasma amino acid circulation and enhanced apparent digestibility in broiler chickens
The objective of this study was to evaluate the impact of methionine supplementation on amino acid concentration in systemic plasma, apparent amino acid digestibilities...
Getting to the bottom of sex-related first week mortality in the hatchery
"Why are so many chicks dying in their first week in the hatchery?" I could hear the worry in his voice when I received...