ANTICOCCIDIAL AND IMMUNOMODULATORY EFFECTS OF INDIGENOUS HERBAL PLANTS AGAINST EXPERIMENTAL COCCIDIOSIS IN POULTRY
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Date
2014-07-16
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CSKHPKV, Palampur
Abstract
The anticoccidial and immunomodulatory effects of aqueous extract of
Zingiber officinale (rhizome), ethanolic extract of Azadirachta indica (leaves) and
methanolic extract of Hippophae salicifolia (leaves) were evaluated against the
mixed coccidial infection (Eimeria spp.), in experimental trial in poultry.
The present study revealed that coccidial infection caused significant
decrease in body weights, inferior feed conversion ratio, hematological as well as
biochemical parameters in the birds. However, after treatment with herbal plant
extracts, significant increase in weight gain was observed along with other
parameters. The ethanolic extract of neem (Azadirachta indica) @ 7g/liter of water
was found to have better anticoccidial activity and least histopathological lesions as
compared to other herbal plants extract and their mixture. Aqueous extract of ginger
(Zingiber officinale) @ 6g/liter of water was found to be the best feed additive and
most effective in improving body weights, feed conversion ratio, improving
hematological and biochemical indices in infected birds followed by mixture of these
herbs than neem (Azadirachta indica) ethanolic extract and than seabuckthorn
(Hippophae salicifolia) methanolic extract @ 10g/liter of water.
As an immunomodulatory, Aqueous extract of ginger (Zingiber officinale)
improved humoral as well as cell mediated immune responses in infected birds,
followed by mixture of these herbal plants than neem (Azadirachta indica) ethanolic
extract and seabuckthorn (Hippophae salicifolia) methanolic extract.
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