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Dietary Effect of Mulberry Leaf (morus Alba) Meal on Growth Performance and Serum Cholesterol Level of Broiler Chickens

M. R. Islam
Department of Dairy and Poultry Science, Hajee Mohammad Danesh Science & Technology University, Dinajpur-5200, Bangladesh

M. Nurealam Siddiqui
Biochemistry and Molecular Biology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur-1706, Bangladesh

A. Khatun
Department of Dairy and Poultry Science, Hajee Mohammad Danesh Science & Technology University, Dinajpur-5200, Bangladesh

M. N. A. Siddiky
SAARC Agriculture Centre, Farmgate, Dhaka-1215, Bangladesh

M. Z. Rahman
Department of Dairy and Poultry Science, Hajee Mohammad Danesh Science & Technology University, Dinajpur-5200, Bangladesh

A. B. M. R. Bostami
Department of Animal Science and Nutrition, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur-1706, Bangladesh

A. S. M. Selim
Department of Animal Science and Nutrition, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur-1706, Bangladesh

Abstract/ Executive Summary:

To investigate the effect of dietary mulberry leaf meal on body weight, feed conversion efficiency and blood cholesterol level, 240 day-old broiler chicks (Cobb 500) were divided into 6 treatments, each with 4 replications (10 birds/ per replicate) and offered manually prepared diets supplemented with 2.5, 3.5, 4.5% mulberry leaf meal (MLM), MLM Extract and 0.5% for a period of six weeks. Average body weight (g) gain increased (P> 0.05) at 2.5 or 4.5% supplementation of MLM and with MLM extract compared to control and antibiotic group. Feed conversion ratio was better at 4.5% supplementation (1.67) and on addition of MLM extract (1.63) compare to control (1.79). Total cholesterol, HDL-cholesterol and triglyceride of broiler chicks in different dietary treatments of during experimental periods were non-significant at day 10 to 15 but total cholesterol and triglyceride decreased significantly (P>0.05) at d 15 to 22 compared to control and antibiotic group. Significant (P<0.05) reduction of total cholesterol and triglyceride with supplementation of mulberry leaf meal at 2.5, 3.5, 4.5% MLM, MLM extract were also observed at d 22 to 42 compared to control and antibiotic group. The result suggests that inclusion of mulberry leaf meal (both 3.5% powder and extract) may be used to formulate low-cost broiler grower diet in order to produce low-cholesterol broiler meat.

Keywords: Mulberry Leaf Meal (MLM), Antibiotic, Broiler, Serum cholesterol.

Location: Dinajpur, Bangladesh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Chicken

Objectives:

To evaluate the effect of graded level of mulberry leaf meal in the broiler diets in order to observe the performance, feed efficiency and cholesterol level.

Methodology:

Morus alba was collected from local area of Dinajpur district in Bangladesh. The leaves were sundried, coarsely powdered manually and then directly mixed with manually prepared diets in appropriate doses. A total of 240 one day-old broiler chick (Cobb 500) were reared at brooding house to adjust with the environmental condition up to 10 days. After that, chicks were randomly allocated to six dietary treatment groups having 40 birds in each group; each treatment was composed of four replicates with 10 birds in each in a complete randomized design. The birds were housed on floor and routinely managed as any other commercial broiler flock. Heating was provided by a single electric brooder, where the initial temperature was set at 32°C and decreased by 2°C per week to final temperature of 20°C at the end of experiment. The experimental diets in mash form and drinking water was provided adlibitum. All the diets were formulated manually to meet the nutrient requirements of broiler. The chicks were fed starter diet from 1 to 10 days, grower diet from 11-20 days and a finisher diet from 21 to 42 days old broiler. Diets were analyzed for dry matter, crude protein, crude fibre and crude fat according to the AOAC (1980) methods. The experimental diets were designed as T₀ = control, T₁= 2.5% MLM, T₂ = 3.5% MLM, T₃= 4.5% MLM, T₅ = MLM Extract and T₅ = 0.5% antibiotic (oxytetracycline, Trade name ®, Renata Ltd). The blood was collected at the last date of the experiment from each group (3 birds) with a syringe and needle directly through wing vein puncture without using any anticoagulant. After centrifugation of the clotted blood, the supernatant was carefully collected by a micropipette and preserved in eppendrof vial. The collected serum was stored at -15ºC until estimation of total cholesterol, high-density lipoprotein (HDL)-cholesterol and triglycerides using lipid profile kit (Crescent Diagnostics). The data was analyzed by using the MSTATC program. Differences among treatments, when significant, were also ordered using Tukey’s test (Kuehl, 1994). Statements of statistical significance were based on P<0.05 or P<0.01.

Source of Information: SAARC J. Agri., 12(2): 79-89 (2014)

Article Link (Online Journal): www.banglajol.info/index.php/SJA/article/view/21920/15035

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The MLM supplemented diets had limited effect on mortality rate and had no detrimental effect on fat content. The performances of broiler i.e., final body weight, feed intake, and feed conversion ratio were improved by feeding MLM supplemented diets at different levels. The positive effect of these was on serum lipids. Among the MLM supplemented diets, our findings suggest that supplementation of both 3.5% MLM powder and extracts of MLM has high potential as commercial applications for production of low-cholesterol and healthy broilers.

Knowledge Management: Journal