Discussion created on 07/29/2020

low IB immunity level

I would be grateful if somebody explain me why am I sometimes encountered low IB titres in some pens where as in other pens the titres are acceptable -that of ND in all pens are acceptable- when the flock is vaccinated with Ma5 and clone 30

Anonymous query
Saudi Arabia
Biologist
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Kasame Trakullerswilai Kasame Trakullerswilai
Bacheler of Veterinary Medicine
August 4, 2020
MANY FACTORS MAKE IB TO LOW TITER THAN ND
1 IB IS WEAKER THAN ND SO IB IS DESTROYED DURING DW.
2. HIGH MDA OF IB
3 LABORATORY TEST FACTORS ON ANTIGEN THAT YOU USE TO CHECK IB
AND POOR VACCINATING TECH
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Fred Hoerr
Fred Hoerr
DVM, PhD, Diplomate ACVP, ACPV
  Nashville, Tennessee, United States
 
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