Effect of partial supplementation of sun-dried Azolla as a protein source on the immunity and antioxidant status of commercial broilers
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Published on: September 20, 2021
Biswal Chichilichi1, G P Mohanty1, S K Mishra2
1Department of Livestock Production and Management, College of Veterinary Science & Animal Husbandry, Orissa University of Agriculture and Technology, Bhubaneswar, Odisha, India.
Aim:
The present study was conducted to evaluate the effect of partial supplementation of sun-dried Azolla as a protein source on the immunity of commercial broilers in coastal Odisha.
Materials And Methods:
A 180 day-old broiler chicks were distributed in six dietary treatments viz. C1: Basal diet, C2: Basal diet + enzyme, T1: Basal diet +5% protein from Azolla, T2: Basal diet + 5% protein from Azolla + enzyme, T3: Basal diet +10% protein from Azolla, and T4: Basal diet + 10% protein from Azolla + enzyme. Cutaneous basophilc hypersensitivity (CBH) and humoral immunity response were determined at the 38(th) day of age. At 42(nd) day, the weight of lymphoid organs, an antioxidant enzyme, and lipid peroxidation activity were determined.
Results:
The CBH response did not differ significantly among the treated groups, but the sheep red blood cells response was significantly higher in T4. The weight of lymphoid organs or immune organs of all the treated groups did not differ significantly (p>0.05). The erythrocyte catalase level of T4 group was found to be significantly higher than rest of the treated groups except T3.
Conclusion:
It may be concluded that supplementation of Azolla at 10% of dietary protein requirement along with enzyme supplementation in an isonitrogenous diet showed a better immune response in broilers.
