The newly hatched chick’s immune system is immature, but it develops with time. However, the developmental characteristics are incomplete and skew toward innate response versus active response, which challenges the commonly practiced day-of-age vaccination protocol.
Three recent studies by Huvepharma found that birds receiving quillaja, which is derived from the bark of the South American soapbark tree, alongside different anticoccidials achieved significantly better feed-conversion than those receiving the anticoccidials alone.
Although links between the gut microbiome and broiler performance are well established, translating microbiome data into practical decisions has been a challenge, said Fernanda Castro, PhD, micronutrition and health technology lead for Cargill Animal Nutrition.
Drawing on more than 70,000 hatchery vaccination audits conducted through Ceva Animal Health’s C.H.I.C.K Program, Alba Pfaff, MS, the company’s senior technical marketing manager, discusses what helps hatcheries maintain high vaccination standards, the details that matter most and how better use of data could support even greater consistency.
Modern commercial chicks hatch into a very different world than they would under natural conditions. According to Ivan Rychlik, DVM, researcher at the Czech Republic’s Veterinary Research Institute, that difference has major consequences for gut health, disease resistance and antibiotic use.
Ivan Alvarado, DVM, PhD, Merck Animal Health, discusses the research which has highlighted the health and production benefits of using recombinant HVT vaccines at the hatchery alongside live vaccines against infectious laryngotracheitis and Newcastle disease.
By David L. Wicker, PhD, industry consultant, Gainesville, Georgia and
W.A. Dozier, III, PhD, Department of Poultry Science, Auburn University and Alabama Cooperative Extension System
Broilers do not spread evenly across their environment. Some may cluster near a wall, equipment line, or other boundary, while other areas appear relatively unoccupied. Shawna Weimer, PhD, University of Arkansas, explores the behavior of wall hugging and what it means to broiler production.
When vaccine decisions are grounded in sound diagnostics and veterinary guidance, but flock performance does not improve as expected, the vaccine itself may not be the problem. It may be time to review how the product was stored, prepared and applied. Abigail Graham, DVM, MAM, DACPV, Zoetis, explains how.
For poultry companies, a successful infectious bronchitis vaccination program depends on more than choosing the right vaccine for the challenge at hand. According to Jose Linares, DVM, Ceva Animal Health, consistently high vaccine takes depend just as much on the quality of vaccine application.
By Ken Opengart, DVM, PhD, DACPV
3 Birds Consulting
Signal Mountain, Tennessee
In the third installment of Phibro Academy’s three-part webinar series, “Coccidiosis Tools and Strategies,” Greg Mathis, PhD, president of Southern Poultry Research, Inc., discusses anticoccidial sensitivity testing and how best to interpret results and apply them in the field.
