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Immunosuppression in broilers under experimental aflatoxicosis.

R C Ghosh¹, H V Chauhan, S Roy

¹College of Veterinary Science and Animal Husbandry, Anjora, Durg (P.B. No. 6) Pin, India.

The British Veterinary Journal

|September 1, 1990

Summary

This summary is machine-generated.

Aflatoxin B1 exposure significantly impairs cell-mediated immunity in broilers by reducing key lymphocyte populations and decreasing crucial blood protein levels, impacting overall poultry health.

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Area of Science:

Poultry immunology
Toxicology
Animal science

Background:

Aflatoxins are toxic secondary metabolites produced by Aspergillus fungi.
Poultry are susceptible to aflatoxicosis, which can compromise immune function.
Cell-mediated immunity plays a critical role in protecting broilers from diseases.

Purpose of the Study:

To investigate the impact of purified aflatoxin B1 on cell-mediated immunity in broilers.
To determine the effects of specific aflatoxin B1 dose levels on immune cell populations and serum protein profiles.

Main Methods:

Broiler chicks were administered purified aflatoxin B1 at two dose levels: 0.3 p.p.m. and 1 p.p.m.
Cell-mediated immunity was assessed by quantifying acid alpha-naphthyl acetate esterase reacting lymphocytes.
Serum albumin and globulin concentrations were measured.

Main Results:

A significant decrease (P < 0.05) in the percentage of acid alpha-naphthyl acetate esterase reacting lymphocytes was observed at both 0.3 p.p.m. and 1 p.p.m. aflatoxin B1 dose levels.
Significant reductions (P < 0.05) in serum albumin and globulin values were noted in broilers exposed to both aflatoxin B1 concentrations.

Conclusions:

Purified aflatoxin B1 significantly suppresses cell-mediated immunity in broilers.
Aflatoxin B1 exposure negatively affects lymphocyte populations and serum protein levels in poultry.
These findings highlight the detrimental effects of aflatoxin B1 on broiler immune status.