-
How effective IBV surveillance can prevent ‘overvaccination’
Consistent surveillance and analysis of infectious bronchitis virus (IBV) at poultry production facilities can guard against “overvaccination” — where too much vaccine virus in the environment...
-
Vaccines, biosecurity, management keys to keeping IBH in check
Inclusion body hepatitis can be a challenging disease, as the clinical signs are non-specific and there is no direct treatment. Consequently, producers rely on interventions such vaccinations.
-
Improving Salmonella surveillance in turkeys
High-profile Salmonella outbreaks in turkeys in recent years have shown the need for improved surveillance in the turkey industry.
-
Diagnostics for IBH start with subtle indicators
Inclusion body hepatitis (IBH) infections may not offer clear-cut clinical symptoms, but there are on-farm diagnostic measures that can yield early warnings.
-
Tooling up for better disease protection through applied research
Vaccines are powerful, widely used tools for managing poultry diseases. How can the industry keep pace with variant viruses and other challenges?
-
IBH gaining more attention in broiler flocks as incidence, mortalities rise
Inclusion body hepatitis (IBH) is not a new disease of poultry, but it’s quietly spreading to broiler flocks — initially with few clinical signs, followed by death in some flocks.
-
Use ‘tools of discovery’ and all your senses to identify emerging poultry diseases
Emerging and re-emerging diseases can cause sudden, potentially catastrophic illness and death in commercial poultry flocks, said R.M. “Mick” Fulton, DVM, PhD, Michigan State University...
-
Genomic technology sheds light on Salmonella serotypes in breeder flocks
A technology called CRISPR-SeroSeq, which amplifies a section of the Salmonella genome, is helping paint a clearer picture of the serotypes circulating in breeder flocks.
-
Poor IBV vaccine performance in broiler study underlines need for surveillance
A whole-complex study of broiler breeders in Georgia found underwhelming infectious bronchitis vaccine performance – but with better surveillance and protocols, outcomes could be improved.
-
On-site PCR testing could aid smart antibiotic use in mycoplasmosis treatment
Making use of polymerase chain reaction (PCR) testing on chicken farms can help tackle the problem of antibiotic overuse against mycoplasmosis in countries where this treatment approach is prevalent.
-
Limiting transmission of parasite currently best option for controlling histomoniasis
By Elle Chadwick, PhD, Consultant, Ag Health Consulting, LLC, LaGrange, Georgia
-
Early infectious bronchitis virus infection causes more severe false layer syndrome
Exposure to IBV has been linked with cases of false-layer syndrome, where large cysts in the oviduct prevent birds from laying eggs.
-
Study questioning purity of avian reovirus samples has lab and field implications
Selecting pure avian reovirus (ARV) cultures is extremely important in pathogenicity and antigenicity studies, as well as in the creation of autogenous vaccines. But in reality, many samples don’t...
-
Tips for uncovering toxicity in poultry flocks
Toxicity is a relatively rare affliction for hens, and tracking down the source can prove challenging, as one case study outlined by a poultry diagnostics expert revealed.
-
Periodic IBV PCR testing is key to ensuring vaccination efficacy
Complexes should regularly evaluate the infectious bronchitis viruses (IBV) prevalent on their farms to help determine which vaccines can provide the best protection possible.
-
Molecular test helps identify pathogenicity in new strains of infectious bursal disease virus
A genetic technique which could help improve predictions about the virulence of infectious bursal disease (IBDV) has identified pathogenicity in seven new strains of the virus which causes an...
-
Diagnostics key to effective mycoplasma control
Avian mycoplasmosis is a problem for poultry producers worldwide, but according to an expert, there’s no “one-size-fits-all” approach to managing it.
-
Population diagnostics challenging for poultry veterinarians
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
-
Utilizing on-farm testing key to helping processors understand S. Infantis loads
Using a range of testing methods for Salmonella Infantis can help broiler companies build a better picture of how effective interventions against the pathogen are performing.
-
Calcium toxicity cases underscore value of networking for knowledge
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
-
QX, 793b found to be most prevalent IBV field strains in Europe
DISCOVERIES, Issue 11: Two recent studies assessed the prevalence of various IBV strains in Europe in recent years, with QX and 793b proving the most common causes of virulent disease in chickens.
-
Surveillance of circulating IBV types essential for disease control
Surveillance aimed at pinpointing the type of infectious bronchitis virus that’s circulating in poultry flocks is essential to control of the disease.
-
Failure of maternal antibodies to protect against E. coli infection highlights need for early protection
New studies in broiler chicks show that maternal antibodies to Escherichia coli do not prevent infection.
-
Sentinel broilers, PCR testing help isolate, identify evolving IBV populations in Arkansas
How do you look for new serotypes of a virus that might be circulating in an area? Sentinel birds are a good place to start, according to Abigail Reith, DVM, a technical services veterinarian for...
-
Advanced diagnostic tests helping identify IBV in Europe
The QX strain of infectious bronchitis virus (IBV) remains the most common variant of IBV in Europe, but the prevalence of the variant 02 strain appears to be on the increase
-
Genomic sequencing could aid ILT control efforts in poultry
Molecular virology is already leading to discoveries that will improve management of ILT, according to Stephen Spatz, PhD, molecular virologist with USDA’s Southeast Poultry Research Laboratory,...
-
Consistency, follow-up key to controlling IBV
Infectious bronchitis virus (IBV) is a “moving target” and trying to keep ahead of it requires consistency and follow-up, explained Sjaak de Wit, DVM, PhD, of GD Animal Health, the Netherlands.
-
Plan B: Using sentinel birds to track poultry viruses when you can’t obtain SPF birds
Sometimes the best way to identify disease problems is to use sentinel birds along with other diagnostic tools, but the specific-pathogen-free (SPF) birds used for this purpose aren’t always...
-
Infectious bronchitis: Better diagnostics key to more effective vaccination
Identification of variant infectious bronchitis viruses (IBVs) has improved with the development of a real-time PCR (qPCR) test that can distinguish the type of virus and determine if it’s vaccine-...
-
New veterinary diagnostic networks to aid poultry, livestock production in Sub-Sahara
With the help of a US$14.4 million grant from the Bill & Melinda Gates Foundation over the next 3 years, Zoetis announced plans to develop veterinary and outreach services to aid the growth of...
-
Reducing false positives pays in ELISA mycoplasma testing
Poultry producers should consider specificity when selecting a Mycoplasma ELISA test to avoid costs associated with false positives.
-
Got maxima? New sampling procedure aids detection in broilers
A modified sampling procedure developed by researchers at Zoetis Inc. has dramatically improved the detection of Eimeria maxima infection in broilers.
-
Coccidiosis research yielding new perspectives on AST
Adding molecular biology (PCR) to anticoccidial sensitivity testing (AST), offers a more in-depth look — and surprising findings — of Eimeria species contributing to coccidiosis in poultry...
-
Improving Rapid Detection Methods for Foodborne Pathogens
Researchers have developed a microfluidic device that exploits cell movement to separate live and dead bacteria during food processing.
-
Correlating lesion scores to microscores creates statistical model for efficacy, feed conversion in poultry
Georgia researcher Lorraine Fuller and graduate student Miguel Barrios, at University of Georgia, build new statistical model that saves poultry producers time and money by correlating lesion scores...
-
Get the most from your ELISA tests
Andrea Zedek, a veterinarian at Zoetis Inc., offers tips for ensuring accuracy when using ELISA tests to diagnose a poultry flock's health status.
We’re glad you’re enjoying Poultry Health Today.
Access is free but you’ll need to register to view more content. Subscribe To Register
