Tracing the immune response of different formulations of necrotic enteritis vaccine adjuvanted with cumin oil Nano emulsion in chickens | ||||
| Benha Veterinary Medical Journal | ||||
| Volume 48, Issue 1, April 2025, Page 13-18 PDF (356.06 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/bvmj.2025.344947.1910 | ||||
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| Authors | ||||
Refat Fathy Reda  1; Mohamed Abaza1; Mona Abdallah* 2; Noura Khalaf* 3; Marwa Ahmed 3; Aliaa Abd El-Bakey* 3
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| 1Avian and Rabbit Diseases Department, Faculty of Veterinary Medicine, Benha University, 13736, Mushtuhur, Toukh, Qalioubia , Egypt. | ||||
| 2Zoonoses Department, Faculty of Veterinary Medicine, Benha University, 13736, Mushtuhur, Toukh, Qalioubia , Egypt. | ||||
| 3Anaerobic Bacterial Vaccine Research Department, Veterinary Serum and Vaccine Research Institute (VSVRI), Agricultural Research Center (ARC), Abbasia , Cairo, Egypt | ||||
| Abstract | ||||
| Necrotic enteritis, caused by Clostridium perfringens type A, remains a significant challenge for poultry production, resulting in substantial economic losses globally. This study investigates the potential of cumin oil nanoemulsion as a novel vaccine adjuvant for C. perfringens type A, comparing its efficacy to the conventional aluminium hydroxide gel adjuvant. Toxoid vaccines were prepared using three adjuvant formulations: cumin oil nanoemulsion at 50:50 and 30:70 ratios and aluminium hydroxide gel at a ratio 20: 80. The vaccines were assessed for sterility, safety, and immunogenicity. Sterility testing confirmed all formulations were free from contaminants. Safety trials in specific-pathogen-free (SPF) chicks demonstrated no adverse reactions, confirming the biocompatibility of cumin oil nanoemulsion. Immunogenicity was evaluated through toxin neutralization tests, with antibody titers measured over five weeks post-vaccination. Vaccines adjuvanted with cumin oil nanoemulsion induced robust and sustained antitoxin responses, reaching peak titres of 60 IU/ml, comparable to the aluminium hydroxide gel vaccine. These findings underscore the potential of cumin oil nanoemulsion as an effective alternative to traditional adjuvants, leveraging its immunomodulatory and antimicrobial properties to enhance vaccine efficacy. Moreover, the use of natural oil-based adjuvants aligns with the increasing demand for sustainable and safer vaccine formulations in the poultry industry. Further studies are recommended to optimize the formulation and evaluate the long-term immunity conferred by cumin oil-adjuvanted vaccines. This research highlights a promising step toward innovative adjuvant solutions for controlling C. perfringens-associated diseases in poultry. | ||||
| Keywords | ||||
| Cumin oil nanoemulsion; C. perfringens; Adjuvants; Aluminium hydroxide gel; Vaccine | ||||
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