... ‘Reverse genetics’ may offer new IBV vaccine targets
Aug 04, 2022Jennifer Grullon
Researchers at The Pirbright Institute in the UK report that a recent study provides evidence that mutations in the genetic code for non-structural proteins “offer a promising way” to make...
Flock welfare, Global TOPICS, Infectious Diseases, Interviews, News, PHT GLOBAL, PHT US, Podcast, Respiratory, TOPICS, Videos
... Why ‘vaccinated’ chickens still get infected with IBV — and what to do about it
Jul 26, 2022Jennifer Grullon
While many vaccines and vaccination programs effectively protect against the highly contagious infectious bronchitis virus in poultry, outbreaks of the disease still occur in vaccinated flocks.
... Poultry industry can learn from COVID-19
Jun 09, 2022Jennifer Grullon
Biosecurity is not sufficient to control avian coronaviruses like infectious bronchitis in commercial poultry, no matter how good it is, said Mark Jackwood, PhD, a molecular virologist and professor...
Diagnostics, Flock welfare, Global TOPICS, Infectious Diseases, Interviews, News, PHT GLOBAL, PHT US, Podcast, Research, TOPICS, Videos
... Poor IBV vaccine performance in broiler study underlines need for surveillance
May 12, 2022Jennifer Grullon
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.
Diagnostics, Global TOP NEWS, Hatchery, Interviews, News, PHT GLOBAL, PHT US, Podcast, Respiratory, TOP NEWS, Videos
... Early infectious bronchitis virus infection causes more severe false layer syndrome
Dec 22, 2021Jennifer Grullon
Exposure to IBV has been linked with cases of false-layer syndrome, where large cysts in the oviduct prevent birds from laying eggs.
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.
... False layer syndrome in Canada due to DMV/1639
Aug 15, 2021Jennifer Grullon
False layer syndrome due to the Delmarva 1639 (DMV/1639) variant of the infectious bronchitis virus (IBV) is leading to huge economic losses in the Canadian egg industry.
... Two years of IBV sampling underlines importance of surveillance work
Aug 03, 2021Jennifer Grullon
Large-scale collection of samples from producers across the southern US is helping shed new light on infectious bronchitis virus (IBV) in chicken flocks — including uncovering a new serotype of the...
... QX, 793b found to be most prevalent IBV field strains in Europe
Dec 22, 2020Jennifer Grullon
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.
... Free booklet recaps highlights of infectious bronchitis roundtable
Sep 10, 2020Jennifer Grullon
A colorful 28-page booklet recapping highlights of a roundtable discussion on infectious bronchitis virus is now available. The event featured experts and practitioners who shared their practical...
... Surveillance of circulating IBV types essential for disease control
Jul 06, 2020Jennifer Grullon
Surveillance aimed at pinpointing the type of infectious bronchitis virus that’s circulating in poultry flocks is essential to control of the disease.
... Poultry experts cite frustration with infectious bronchitis variants
Apr 30, 2020Jennifer Grullon
New, variant strains of infectious bronchitis virus in poultry will continue to emerge, but their control may depend primarily on strategic vaccination protocols that provide cross-protection from...
... 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.
... DMV/1639 now the focus of many IBV control programs in US flocks
Apr 13, 2020Jennifer Grullon
Variants of infectious bronchitis virus affecting broiler flocks differ regionally, but the strain causing the most concern lately appears to be Delmarva/1639.
... 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.
Diagnostics, Flock welfare, Global TOP NEWS, Infectious Diseases, Interviews, News, PHT GLOBAL, PHT US, Podcast, Respiratory, TOP NEWS, Videos
... Sentinel broilers, PCR testing help isolate, identify evolving IBV populations in Arkansas
Oct 07, 2019Jennifer Grullon
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...
... Zinc can help combat infectious bronchitis in poultry
Aug 14, 2019Jennifer Grullon
Research on infectious bronchitis virus remains a top priority for the poultry industry. Not only is it widespread, but new serotypes also continue to emerge due to mutations and recombination events...
... Advanced diagnostic tests helping identify IBV in Europe
Apr 09, 2019Jennifer Grullon
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
... Infectious bronchitis control: Understanding why it’s so difficult
Feb 05, 2019Jennifer Grullon
By Mark W. Jackwood, PhD, Department Head, JR Glisson Professor of Avian Medicine, University of Georgia
... Is genetics the key for lasting IBV immunity?
Dec 03, 2018Jennifer Grullon
Manipulating the immune response may be one way infectious bronchitis virus (IBV) is controlled in the future, predict researchers studying genetic lines of poultry.
... 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.
