National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
An experiment was conducted to study the effect of supplementing neem, ginger and garlic powder on immune response in commercial layers. Five hundred layer birds of twenty eight weeks age were distributed into 25 replicates of 20 birds each. Basal diet T1 and the experimental diets were prepared by incorporating garlic powder@ 0.5% (T2), neem powder @ 0.5% (T3), ginger powder @ 1% (T4) and garlic @ 0.5%, neem @ 0.5% and ginger powder @ 1% in combination (T5). The duration of the experiment was 20 weeks divided into 5 phases of 4 weeks each. The serum samples collected on each phase were assayed for antibody titre against Newcastle disease virus (ND) and Infectious bursal disease virus (IBD) using haemagglutination inhibition test and ELISA, respectively. At peak production stage (45th week) of the experiment, two birds from each replicate in different treatment groups respectively was sacrificed and the weight lymphoid organs such as spleen and thymus were taken during the slaughter of the birds. Inclusion of neem, ginger and garlic individually and also in combination improved the immune response against Newcastle disease but there was no effect on immune response against Infectious bursal disease. Feeding of neem, ginger and garlic powder revealed non-significant effect(P>0.05) on weight of lymphoid organs. It was concluded that feeding neem, ginger and garlic powder was beneficial in improving immune response against the Newcastle disease.
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