Effect of Feeding Neem and Papaya Leaf Meal as Feed Additive on Performance, Immune response, Antioxidant status and Serum biochemical parameters in Broilers


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Authors

  • Shiwani Singh Mumbai Veterinary College, Parel, Mumbai
  • Ankur Khare
  • R.P.S. Baghel
  • Sunil Nayak
  • Prital Bhujbal

https://doi.org/10.56093/ijan.v43i1.165392

Keywords:

Antioxidant status, Broilers, Immune response, Neem Leaf Meal, Papaya Leaf Meal, Serum biochemical

Abstract

Objective  of  research  was  to  investigate  the  effects  of  supplementing  neem  and  papaya  leaf  meal,  individually  and  in  combination  on  performance,  immune  response,  antioxidant  status  and  serum  biochemical  parameters  of  broiler  production.  220,  day-old  Cobb  commercial  broiler  chicks  were  randomly  divided  into  11  treatments  with  4  replicates  having  5  chicks  in  each.  In  treatment  groups  along  with  basal  diet,  neem  and  papaya  leaf  meal  were  incorporated  in  the  diet  at  two  different  levels,  individually  (0.5  and  1.0%  of  diet)  and  in  three  different  combinations  (1:1,  1:2  and  2:1  part  of  NLM  and  PLM  @  1.0  and  2.0%  of  diet).  Individual  body  weight,  weight  gain  and  feed  intake  of  broilers  were  recorded  at  weekly  interval  and,  there  after  feed  conversion  ratio  (FCR),  feed  efficiency  ratio  (FER)  and  performance  index  (PI)  was  calculated.  At  the  end  of  trial  (42  days),  02  birds  from  each  replicate  were  sacrificed  for  performing  anti-oxidant  property  in  liver  tissue  and  breast  muscle.  Serum  biochemical  parameters  were  estimated  at  the  end  of  the  experiment.  Humoral  immunity  towards  Newcastle  disease  virus  was  measured  on  30th  and  42nd  day  of  feeding  trial  by  haemagglutination  inhibition  (HI)  test.  Results  pointed  out  that  supplementation  of  neem  and  papaya  leaf  meal  in  1:1  ratio  at  1.0%,  in  1:2  ratio  at  1.0  and  2.0%  of  total  broiler  diet  significantly  (P<0.05)  enhanced  their  overall  performance  (body  weight,  weight  gain,  feed  intake,  feed  conversion  ratio,  feed  efficiency  ratio  and  performance  index).  Final  results  indicated  that  immune  responses  (humoral),  antioxidant  status  of  liver  and  breast  muscle  tissues  improved  significantly  (P<0.05)  in  broilers  fed  on  neem  and  papaya  leaf  meal  supplemented  groups.  However,  serum  concentration  of  total  triglycerides,  total  cholesterol,  LDL  cholesterol  significantly  (P<0.05)  reduced  and  increased  HDL  cholesterol  with  the  supplementation.  

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Submitted

28-02-2025

Published

18-05-2026

Issue

Section

Non-Ruminants

How to Cite

Singh, S., Ankur Khare, R.P.S. Baghel, Sunil Nayak, & Prital Bhujbal. (2026). Effect of Feeding Neem and Papaya Leaf Meal as Feed Additive on Performance, Immune response, Antioxidant status and Serum biochemical parameters in Broilers. Indian Journal of Animal Nutrition, 43(1). https://doi.org/10.56093/ijan.v43i1.165392