ANTIVIRAL ACTIVITY OF VIRO CARE GZ-08 AGAINST NEWCASTLE DISEASE VIRUS IN POULTRY AND ITS IN-VITRO CYTOTOXICITY ASSAY
Muhammad Hidayat Rasool*, Abuzar Muhammad Afzal*, Abu Baker Siddique*, Waseem Akram**, Muhammad Saqalein*, Madiha Basit* and Muhammad Farooq Tahir***
Newcastle disease (ND), one of the most important disease of poultry throughout the World is caused by Newcastle Disease Virus (NDV). It is causing huge economic losses in poultry industry of Pakistan. Regardless of vaccination, other prevention and control measures are necessary to prevent ND outbreaks. Natural resources have been exploited to obtain antiviral compounds in several latest studies. In this study, the antiviral activity of Viro Care GZ-08™ was checked up invitro, in-ovo and in-vivo. The cytotoxicity assay of the product was performed using Vero cell line. All the trials revealed that the stock solution and 1:2 dilution of GZ-08™ had some antiviral activity as well as were cytotoxic. As the concentration decreased, cytotoxicity as well as antiviral activities were lost. Based on these findings, it was concluded that GZ-08™ sanitizer or spray can be used as antiviral agent to clean or disinfect some non-living surfaces against different viruses in general and NDV in particular. However, in-vivo use of GZ-08™ in poultry against NDV is recommended only as pre-treatment with ND vaccines as it significantly reduced morbidity and mortality as compared to the use of vaccines alone. However, further work is recommended in future on GZ-08™ for its use as post-treatment of ND as well as on other antiviral compounds of natural origin to develop a novel antiviral drug against NDV in poultry.
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