Elsayed, E.M. <br/><br/>
The effect of humic acid and ascorbic acid on immunization of chickens against infectious bursal disease  [electronic resource]. 
 تأثير اضافة حمض الهيومك وحمض الأسكوربيك للعلف على الأستجابة المناعية عند تحصين الدواجن ضد مرض الجامبورو. 

 - p.149-159 
<br/><br/>Includes references. 
<br/><br/> This study was conducted on the impact of humic acid and ascorbic acid supplementation on immunization against infectious bursal disease (IBD). 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chickens--Virus Diseases.<br/>Chickens--Vaccination.<br/>Chickens--Immunology.<br/>Vitamin C in animal nutrition