Selection of IBV GA 08 vaccine, proper administration can minimize reactions
Feb 12, 2019Susan Spiegel
TOOLBOX, Issue 10: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis
When you can’t have more than one: HVT vector or live vaccine for IBDV?
Jan 30, 2019Susan Spiegel
TOOLBOX, Issue 3: An interview with Kalen Cookson, DVM, MAM, Director of Clinical Research, Zoetis
E. coli vaccination helps contain losses in broilers with IB infection
Jan 16, 2019Susan Spiegel
Field experience with infectious bronchitis in broilers during a harsh winter demonstrated that vaccination for secondary Escherichia coli infection helped stem losses
Vaccinating broilers against Salmonella can help reduce pathogen’s prevalence at processing
May 24, 2018Susan Spiegel
Vaccination of broilers against Salmonella can help poultry producers reduce the pathogen’s prevalence at processing and may also benefit bird performance, Kalen Cookson, DVM, director of clinical...
Seven misconceptions about IBD in broilers
Mar 30, 2018Susan Spiegel
Kalen Cookson, DVM, is the director of clinical research, poultry, Zoetis. He explained the common misconceptions about infectious bursal disease (IBD) to Poultry Health Today.
‘Old bug’ with new name easily mistaken for E. coli peritonitis
Apr 12, 2017PHT Editor
Commercial chicken flocks that appear to have Escherichia coli peritonitis might actually be infected with a re-emerging old pathogen with a new name.
Condemnations, mortality shift focus to E. coli vaccination in some broiler flocks
Sep 16, 2016PHT Editor
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...
E. coli in broilers: Its costly impact on condemnations and mortality
Jun 11, 2016PHT Editor
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...
IBD vaccination: HVT vector vaccine or live?
May 10, 2016PHT Editor
By Kalen Cookson, DVM, MAM
Director of clinical research
Zoetis Inc.
Pathways to protection: How one vaccine decision can affect options for managing other diseases in broilers
Jan 07, 2016PHT Editor
Broiler operations want to provide the best disease protection for the least cost, but deciding which vaccines to use and when can be a daunting task.
