TY  - SER
AU  - Said,Nagwa A.
AU  - Gammaz,H.A.Abdel-Khalik
AU  - Hassan,M.F.M.
AU  - Elshazly,Dalia A.
TI  - Effect of chlortetracycline as a growth promoter and levamisole on the immune response of chickens against newcastle disease vaccine
KW  - Newcastle disease vaccine
KW  - Newcastle disease virus
KW  - Poultry
KW  - Virus diseases
N1  - Includes references
N2  - 310 one day old Ross chicks were used to study the effect of Chlortetracycline as a growth promoter (200 grnlton ration) and/or Levamisole (20 mg/kg b.w.) on the immune response of chickens either non-vaccinated or vaccinated against Newcastle disease virus. Chlortetracycline was found to increase the body weight and food consumption, and to improve the feed conversion ratio and feed effeciency, but it decreased the cellular Immune response represented by decreased lymphocyte stimulation index against phytoheamagglutinin, phagocytosis percentage and phagocytic index
UR  - http://nile.enal.sci.eg/EALE/2005/VMJ/5305/2/part1/311.pdf
ER  -