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Dietary Supplementation Effects of the Levels of Neem (azadirachta Indica) Leaf Extracts as Phytogenic Feed Additive on the Growth Performance in Broiler Chicks

Shuvendu Sarkar
Department of Livestock Services, Ministry of Fisheries and Livestock, Government of the People's Republic of Bangladesh

Moniruzzaman Tarafder
Scientific Officer
Rinderpest Vaccine Section, Livestock Research Institute, Dhaka, Bangladesh

Md. Hafizur Rahman
Department of Livestock Services, Ministry of Fisheries and Livestock, Government of the People's Republic of Bangladesh

Moinul Khandaker
Officer, Chattogram Breeder Farm-2, CP Bangladesh Co. Ltd

Golam Sagir Ahammad
Bangladesh Institute of Research and Training on Applied Nutrition (BIRTAN), Ministry of Agriculture, Government of the People's Republic of Bangladesh

Dipok Kumar Sarker
Department of Livestock Services, Ministry of Fisheries and Livestock, Government of the People's Republic of Bangladesh

Bimal Chandra Karmakar
Agriculture and Environment Division, Bangladesh Academy for Rural Development (BARD), Cumilla, Bangladesh

Beathy Islam
Director
Grameen Jano Unnayan Sangstha, Bhola, Bangladesh

Abstract/ Executive Summary:

The effects that Neem leaf extract on overall growth, feed conversion ratio (FCR), dressed weight and organs weight of broiler chickens to justify its inclusion in the diet of growing broiler chickens. 120 day old chicks divided into four treatment groups T₁, T₂, T₃ and T₄ of thirty (30) birds each were administered clean drinking water with 3gm, 4gm, 5gm and 0g neem extract respectively. Impacts of neem extract treatments on growth indices suggested that Neem extract favored growth with final body weight range of 1709gm and 1763gm. Organ weights showed no deviation from standard values for healthy broiler birds. Highest growth was observed in group T₃ (1763.6±141.37gm) followed by T₁, T₂ and the lowest was in T₄ group (1565.4±161.25gm). Birds on 5gm of Neem extract in their drinking water outperformed birds in other treatments in assessed growth rate indices. We, therefore, conclude that 5gm of Neem extract in their drinking water growing broiler birds encourages healthy growth and may serve as supplements for antibiotics, especially when birds are raised in areas with minimal access to veterinary service.

Keywords: Azadirachta indica, Broiler, Growth performance, Neem leaf extracts

Location: In Bangladesh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Broiler chick, Neem

Objectives:

To evaluate the effects of Neem Leaf Extract (NLE) as a growth enhancer in broiler diets.

Methodology:

Experimental bird:
A total of one hundred and twenty (120) day old chicks (Cobb 500) were bought, on arrival, the chicks were counted, de-boxed weighed. The chicks were brooded and acclimatized for one week, during which they were fed with commercial chick starter feed and cool clean drinking water.
Experimental design:
At arrival of the birds, they were housed in the brooding house that had been prepared by cleaning, washing and disinfecting. Brooders were set up in good working condition. The floor was well littered with wood shavings and the walls covered with dark water-proof materials. At the completion of the brooding period, the birds were divided into four (4) major groups tagged T₁, T₂, T₃ and T₄ of thirty (30) birds each. Treatment 4 (T₄) was the control and the birds in the T₄ were administered clean drinking water without neem extract (0% neem extract). Treatments 1, 2 and 3 (T₁, T₂ and T₃) were administered neem extracts (NE) at different concentrations of 3gm, 4gm and 5gm per liter of water respectively.
Collection of neem leaves and preparation of fresh neem extract:
Mature disease-free neem leaves were collected. 3gm for T₁, 4gm for T₂ and 5gm for T₃ of neem leaves were weighed, washed blended with one (1) litre of water and with a sieve the leaf particles were removed for each treatment. For every quantity of drinking water measured, one (1) litre of neem extract was added and administered to the birds upto 35 days. The, neem extracts was prepared on daily basis.
Data collection and recording:
At the end of the experimental period, five (5) birds per treatment were randomly selected and bled by severing the jugular vein. Vital organs (Gizzards, lungs, liver, spleen, kidney, proventriculus, crop and heart) of the slaughtered birds were weighed using an electronic weighing machine and records were taken for organ weight determination.
Data analysis:
The data were analyzed statistically between the control and the treatment groups of chickens, between replicates of treatment and between treatment by variance (ANOVA) and means were compared employing Duncan’s Multiple Range Test by SPSS IBM 20.

Source of Information: Asian J. Med. Biol. Res. 2021, 7 (1), 64-68; doi: 10.3329/ajmbr.v7i1.53310; ISSN 2411-4472 (Print) 2412-5571 (Online)

Article Link (Online Journal): www.ebupress.com/journal/ajmbr

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

This study has shown that neem extract inclusion in water for growing broiler birds has no detrimental effect on birds which implies that their consumable products will pose no health hazard to consumers. Judging from the results of this present work corroborated with the works of other scholars in the field it is recommended that a safe level of neem extract will do no harm and can be incorporated. We, therefore, conclude that 3 gm of Neem extract in their drinking water growing broiler birds encourages healthy growth and may serve as supplements for antibiotics, especially when birds are raised in areas with minimal access to veterinary service.

Knowledge Management: Journal