... Routine testing for IB vaccine takes can improve performance and profits
Dec 19, 2022Jennifer Grullon
TOOLBOX, Issue 36: An interview with Manuel Da Costa, DVM, PhD, Associate Director, Outcomes Research, Zoetis
... How effective IBV surveillance can prevent ‘overvaccination’
Dec 15, 2022Jennifer Grullon
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...
... California surveillance reveals genetic and seasonal changes in infectious bronchitis virus
May 01, 2022Jennifer Grullon
Genotypes of infectious bronchitis virus (IBV) found in California between 2012 and 2020 have seen a “major shift,” according to a study investigating patterns of IBV in the state.
... Essential adjustments that improve IB vaccine efficacy in broilers
Dec 05, 2021Jennifer Grullon
A few essential adjustments in the way infectious bronchitis vaccines are handled and administered at the hatchery can improve vaccine efficacy.
... Early IBV infections in layers can increase cysts associated with false layer syndrome
Oct 05, 2021Jennifer Grullon
The timing of infectious bronchitis virus (IBV) challenge in layers can impact the development of cysts associated with false layer syndrome, scientists at the University of Georgia have discovered.
Diagnostics, Global TOP NEWS, Interviews, News, PHT GLOBAL, PHT US, Podcast, Respiratory, TOP NEWS, Videos, Zoetis News Center
... Periodic IBV PCR testing is key to ensuring vaccination efficacy
Sep 09, 2021Jennifer Grullon
Complexes should regularly evaluate the infectious bronchitis viruses (IBV) prevalent on their farms to help determine which vaccines can provide the best protection possible.
... Three keys to successful IBV control
Aug 09, 2021Jennifer Grullon
Highly contagious and constantly evolving, infectious bronchitis virus (IBV) is notoriously difficult to control.
... Infectious bronchitis DMV 1639: More questions than answers
Jun 01, 2021Jennifer Grullon
By Philip A. Stayer, DVM, MS, ACPV, Corporate Veterinarian, Sanderson Farms, Inc.
... False layer syndrome linked to early infectious bronchitis exposure
May 14, 2021Jennifer Grullon
Research is increasingly linking false layer syndrome to early exposure to infectious bronchitis virus. The condition prevents laying hens from producing eggs, but birds display few outward signs of...
... Cross-protection vaccine protocols key to limiting DMV/1639 spread in US flocks
May 04, 2021Jennifer Grullon
Combining serotype vaccines might be a popular approach to protecting flocks against evolving strains of infectious bronchitis virus, such as DMV/1639, but not all combinations work equally well.
... Caution: Simple errors can derail IBV vaccine effectiveness
Apr 27, 2020Jennifer Grullon
Common pitfalls that can occur while vaccinating broilers against infectious bronchitis virus (IBV) could derail vaccine effectiveness, panelists cautioned during an industry roundtable.
... Controlling infectious bronchitis in broilers starts with breeder vaccination
Apr 03, 2020Jennifer Grullon
Protocols vary widely, but vaccinating broiler breeders against infectious bronchitis virus remains an important strategy for protecting broiler progeny against the virus.
... Novel technologies needed to combat IB in chickens
Mar 27, 2019Jennifer Grullon
Despite decades of vaccination, the world poultry industry’s ongoing battle with infectious bronchitis (IB) continues to rage and points to the need for novel technologies to combat the disease.
... E. coli vaccination helps contain losses in broilers with IB infection
Jan 16, 2019Jennifer Grullon
Field experience with infectious bronchitis in broilers during a harsh winter demonstrated that vaccination for secondary Escherichia coli infection helped stem losses
... Consistency, follow-up key to controlling IBV
Nov 05, 2018Jennifer Grullon
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.
... Why infectious bronchitis is so resilient — and what broiler companies can do about it
Feb 16, 2018Jennifer Grullon
Control of infectious bronchitis (IB) requires good biosecurity, good management and rigorous administration of a vaccine that matches the circulating virus as closely as possible, John Smith, DVM,...
... Immune-response research could yield new IB strategies for poultry
Nov 14, 2017Jennifer Grullon
Research into the immune response of chickens could help lead to strategies that enable chickens to resist infectious bronchitis (IB), Rodrigo Gallardo, DVM, PhD, professor, University of California...
... Understanding the clinical picture key to effective IB control
Oct 13, 2017Jennifer Grullon
Avian infectious bronchitis virus (IBV) is a highly contagious coronavirus found in chickens worldwide that costs the US poultry industry millions of dollars annually.
... Infectious bronchitis: Better diagnostics key to more effective vaccination
Oct 09, 2017Jennifer Grullon
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-...
... Infectious bronchitis: The ‘eye of the storm’ for chicken health
Jul 19, 2017Jennifer Grullon
Ask any poultry producer about the most economically important disease in broilers, breeders or layers. Infectious bronchitis (IB) almost always tops the list and could best be described as the...
... Surveillance, careful vaccine selection tops “shoot-in-the-dark” strategy for IB control
Feb 02, 2017Jennifer Grullon
Microbiologist Mark Jackwood, PhD, University of Georgia, urges producers not to “shoot in the dark” with infectious bronchitis vaccines and, instead, to focus on surveillance, monitoring and...
... More diagnostics advised for better IB management in broilers
Jan 23, 2017Jennifer Grullon
By Lloyd Keck, DVM, ACPV
Senior technical services veterinarian, Zoetis Inc.
... Infectious bronchitis: Containing an ever-changing disease
Jan 22, 2017Jennifer Grullon
By Dieter Vancraeynest, DVM, PhD
Zoetis
... The Poultry Smith
Nov 02, 2016Jennifer Grullon
In this exclusive interview with Poultry Health Today, Fieldale Farms veterinarian John Smith reflects on his career, the state of the US poultry industry and, most importantly, what it needs to do...
... Condemnations, mortality shift focus to E. coli vaccination in some broiler flocks
Sep 16, 2016Jennifer Grullon
While infectious bronchitis remains a serious threat to broiler health, it often opens the door to the more costly secondary infection, E coli, explained Kalen Cookson, DVM, director of clinical...
... IBV variants in poultry: Aiming for cross-protection
Sep 12, 2016Jennifer Grullon
By Mark W. Jackwood, PhD
Poultry Diagnostic and Research Center
Department of Population Health
College of Veterinary Medicine
University of Georgia
... E. coli in broilers: Its costly impact on condemnations and mortality
Jun 11, 2016Jennifer Grullon
Infectious bronchitis is a never-ending battle for poultry producers, but its the secondary infection E. coli that often proves to be the most costly to broilers in terms of condemnations and...
... Mountaire veterinarian discusses managing E. coli in broilers in the face of IBV infection
Apr 07, 2016Jennifer Grullon
Don Ritter, DVM, of Mountaire Farms, details the company’s recent bout with IB in broilers and the costly secondary infection of E. coli that followed.
... Managing E. coli in broilers in the face of IBV infection
Feb 12, 2016Jennifer Grullon
Don Ritter, DVM, of Mountaire Farms, Millsboro, Delaware, details the company’s recent bout with infectious bronchitis in broilers and the costly secondary infection of E. coli that followed.
... UGA’s Mark Jackwood: Stop ‘shooting in the dark’ with bronchitis vaccination
Feb 11, 2016Jennifer Grullon
Microbiologist Mark Jackwood, PhD, University of Georgia, urges producers not to “shoot in the dark” with infectious bronchitis vaccines and, instead, to focus on surveillance, monitoring and...
... Shift and drift affect broiler vaccination decisions
Dec 16, 2015Jennifer Grullon
Few viruses in poultry remain static over long periods of time. Slight genetic shifts or mutations that occur during replication result in a genetic code drift away from the original virus. Over...
... Three more broiler diseases you can manage with vaccination
Nov 11, 2015Jennifer Grullon
There's more to poultry health than Marek's, IBD, ILT and ND. Vaccines also play major roles in curbing these common diseases.
... Experience with GA 08 provides valuable information about IBV variants in poultry
May 08, 2015Jennifer Grullon
Experience with Georgia 2008 (GA 08) — the infectious bronchitis variant that’s caused major economic losses for poultry producers in the Southeast — has provided valuable information that will...
... Infectious bronchitis constantly evolving making it a tough target
Jan 28, 2015Jennifer Grullon
Infectious bronchitis may not show symptoms in live birds but surprises poultry producers with condemnations at processing, says Tim Cummings, DVM, technical service veterinarian for Zoetis.
... Infectious bronchitis: A moving target
Jan 28, 2015Jennifer Grullon
University of Georgia’s Mark Jackwood, PhD, explains why infectious bronchitis keeps evolving and what poultry producers should do to stay ahead of the costly disease.
... Single dose of Poulvac IBMM+Ark protects long-lived broilers for at least 9 weeks
Jan 15, 2014Jennifer Grullon
One dose of the live, attenuated vaccine Poulvac® IBMM+Ark effectively protected broilers against two infectious bronchitis (IB) strains for at least 9 weeks, a recent study shows.
