Publication: Efficacy trial of capsulated neem (Azadirachta indica) leaf extract against gastrointestinal parasites of native (Gallus gallus domesticus) chicken
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2010-03
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Don Mariano Marcos Memorial State University - North La Union Campus
Abstract
This study was conducted to: (1) identify the species of gastrointestinal parasite present in the experimental birds; (2) determine the efficacy of capsulized neem leaf extract against gastrointestinal parasite of native chickens; (3) determine the most effective dose of capsulized neem leaf extract against gastrointestinal parasites of native chickens and; (4) determine the economic possibility of using capsulized neem extract as
anthelmentic for native chicken.
Seventy-five Philippine native chickens were used in the study. They were randomly distributed into five treatments at five chickens per treatment including the negative and positive controls, replicated three times using Randomized Complete Block Design (RCBD).
Treatments used were as follows:
To- – ( negative control ) no treatment
To+ – ( positive control ) Niclosamide – Levamisole combination
T1 – 500mg capsulized neem leaf extract
T2 – 1000mg capsulized neem leaf extract
T3 – 1500mg capsulized neem leaf extract
Prior to the administration of the different treatments, fecal examination was done to determine the pre-treatment EPG count and the species of gastrointestinal parasite present. The experimental chickens were treated once with capsulized neem leaf extract with their corresponding dosages. Fecal examinations were done on 1st, 3rd, 7th, 14th and 21st days post treatment.
The gastrointestinal parasites identified were as follows: Ascaridia species, Heterakis species, Capillaria species, Choanoteania species. Treatment 3 (1500mg capsulized neem leaf extract) and Treatment 2 (1000mg capsulized neem leaf extract) were able to reduce the EPG of gastrointestinal parasites of the native chickens delivering their peak of efficacies both on day 7 post-treatment and both were interpreted as
effective based on the standard criteria by Reik and Keith (1957).
Treatment 3 (1500mg capsulized neem leaf extract) is the most effective dose in reducing EPG of Ascaridia species (63.33%), and Choanoteania species (71.43%). While in treatment 2 (1000mg. capsulized neem leaf extract) was the most effective dose in reducing EPG of Heterakis species (68.42%), and Capillaria species (60%).
The use of capsulized neem leaf extract is very economical and accurate method for deworming native chickens.
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Ariz, M. A. (2010). Efficacy trial of capsulated neem (Azadirachta indica) leaf extract against gastrointestinal parasites of native (Gallus gallus domesticus) chicken. [Unpublished Undergraduate Thesis]. Don Mariano Marcos Memorial State University - North La Union Campus, Sapilang, Bacnotan, La Union. Lakasa ti Sirib, DMMMSU Institutional Repository.