期刊
JOURNAL OF PURE AND APPLIED MICROBIOLOGY
卷 10, 期 4, 页码 2875-2882出版社
DR M N KHAN
DOI: 10.22207/JPAM.10.4.50
关键词
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Infectious bursal disease virus (IBDV) causes an acute and highly contagious viral infection in poultry, which is highly immunosuppressive and increases susceptibility to various opportunistic pathogens. Various immunomodulators including herbs have gained wide attention in poultry production with their multiple health beneficial effects. The present study reports the effect of Aloe vera gel extract on the haematological parameters in IBDV vaccinated white leghorn chicks. Specific pathogen free (SPF) day old chicks (n=48) were divided into four groups viz., Group A (Control), B (Aloe vera), C (IBDV vaccinated), and D (IBDV vaccinated + Aloe vera). The 3% Aloe vera gel extract was given in water from day one to entire study period of 45 days. Blood samples were collected at weekly intervals to assess different haematological parameters like WBC, heterophils, lymphocytes, monocytes, RBC, Hb, PCV, MCV, MCH and MCHC. Group D chicks showed significantly (P<0.05) higher WBC and lymphocyte counts than other groups at all intervals tested. PCV, MCV and MCH did not differ significantly. The, groups B, C and D showed higher (P<0.05) haematological values compared to control. Title Aloe vera increased the leukocytes count in both vaccinated and unvaccinated chidt-q. thereby stimulating non-specific immune response. This is the first report of the-use of Aloe vera in relation to poultry vaccinated with IBDV, further studies could reflect its potential use as an additive in poultry ration to achieve better production and to boost immune status of poultry against infectious diseases.
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