Dynamics of immune response in chickens after vaccination with inactive bivalent vaccine against avian salmonellosis

Vaccination with Astragalus and Ginseng Polysaccharides Improves Immune Response of Chickens against H5N1 Avian Influenza Virus

To determine the effect of astragalus and ginseng polysaccharides (APS, GPS) on immune response and improvement of H5N1 vaccine, 360-day-old broilers were randomly divided into 8 groups of 45 chicks, comprising APS groups (1-3); GPS groups (4-6); vaccine group (7); and blank control (8) (without polysaccharide and vaccine). From day 12 after hatch groups 1-3 were given APS and groups 4-6 with G...

Uniform-sized water-in-oil vaccine formulations enhance immune response against Newcastle disease and avian influenza in chickens.

Water-in-oil (W/O) emulsion is one of the best "one-shot" delivery system for antigen to generate high and durable antibody response. Here a facile method using premixed Shirasu Porous Glass (SPG) membrane emulsification technique was employed to fabricate uniform-sized emulsion and mechanical stirring was employed to prepare non-uniform-sized emulsion as control. In release kinetics studies, u...

Immune response against HBsAg vaccine.

Humoral Immune Response Induced by PLGA Micro Particle Coupled Newcastle Disease Virus Vaccine in Chickens

This experiment was conducted for evaluating the humoral immune responses induced by Poly Lactide-co-Glycolide Acid (PLGA) microspheres coupled inactivated Newcastle Disease Virus (NDV) vaccine in comparison to an ‘in-house’ prepared inactivated and a live commercial vaccine. PLG microparticles containing inactivated NDV were prepared by a double emulsion technique based on solvent evaporation ...

Determination of Humoral Immune Response in Chickens Against Formalin-Inactivated Alum-Precipitated Fowl Cholera Vaccine

We measured the humoral immune response in chickens against a formalin-inactivated alum-precipitated fowl cholera vaccine. The vaccine was administered in 12 weeks old chickens, 5×10 7 CFU/ml/chicken intramuscularly. Booster dose was given with similar dose and route at 15, 30 and 45 days intervals in groups A, B and C, respectively, after primary vaccination. The group D served as unvaccinated...