الفهرس 
Cover Page Title in EnglishOnly 14 pages are availabe for public view
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Abstract
a)Five experiments wore conducted using a total of 460 birds to demonstrate and evali:ate the immunological response(s) o: young male hrc ion chichens during
•e5latc’cicesis Criteria were chosen to c:onsicier two important features of poultry production, those of economical significance and those of immunological imDact. Parameters related to economical broiler productia::
-‘c body weight, weight gain, end feed cenversion.
On the other hand, immune status was se-”:rei h” the 6 ;icJ importance, humaral
antibody responses, enzymatic responses, phagocytic cell responses, and antigen recognition and processing.
A summary of the main findings are as follows:
I A new method to measure total hemoglobjn in liver was developed and described.
2 A new methof was developed and used ta measure antigen trapped in the spleen (competitive EL:SA)
3 Proiler performance as .fge:6: by economical parameters was poor during aflatcuicosis.
4 Regression of the burea of Pabnicius and thymu occurred clunincj aflato:cicosie Regression effects wore mere pronounced on a we weight than on a re ative organ weight basis.