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Use of Non- Antibiotic Growth Promoter “grow Power” in Commercial Broiler Diet

M F Hossain
Livestock Training Institute, Gaibandha.

M Khairun nesa
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur 1706.

S C Das
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted with 160, day old Cobb 500 broiler chicks to evaluate the effect of supplementation of Grow Power (GP) on the performance of broiler. The dietary treatments were control (D₁ ), Grow Power (D₂ ), Grow Power plus antibiotic (D₃ ) and antibiotic (D₄ ). At 5^th week of age, the body weight of birds at different dietary treatments were 938.75, 1105.00, 1136.25, and 985.00g in the diets of D₁ , D₂ , D₃ and D₄ , respectively. Body weight gain at 2^nd , 3^rd and 4^th week of age were significantly (P<0.05) higher in GP supplemented group (D₂ ) and GP plus antibiotic group (D₃ ) than that of control (D₁) and antibiotic (D₄) groups. Feed consumption during the experimental period was 1753.75, 1938.75, 1917.50 and 1774.50g for D₁ , D₂ , D₃ and D₄, respectively. At 2^nd and 3^rd week of age, feed consumption were significantly ( p<0.05) higher in D₃ group than the other groups including control. Significantly (P<0.05) better Feed Conversion Ratio (FCR) was found in D₃ (2.03) and D₂ (2.11) groups compared to D₁ (2.31) and D₄ (2.28). At 3^rd , 4^th and 5^th week of age, the Performance Index (%) was significantly higher in D₂ than D₁ and D₄. Meat yield parameter of broilers showed significant (P<0.05) differences in dressing weight, feather weight, shank weight, drumstick weight, neck weight, liver weight and viscera weight. Based on the results obtained from the current study it may be concluded that the inclusion of Grow Power @ 50gm/100kg of mixed feed with or without antibiotic improved the growth of commercial broiler including their FCR and therefore, this product may be considered as an alternative of traditional antibiotic in broiler diet.

Keywords: Grow Power, Alternative to antibiotic, Broiler performance, Growth promoter

Location: Bangladesh Agricultural University Poultry Farm, Mymensingh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Chicken

Objectives:

To observe the effects of Grow Power on the performance of commercial broilers with or without antibiotics and to evaluate whether the product could be used as an alternative to traditional harmful antibiotic growth promoters.

Methodology:

One room, an area of 20'×20', was partitioned into 16 pens of equal size. A service area was running along the middle of the pens for routine monitoring the birds and supplying feed, water, litter materials, vaccination and to perform all other management practices. Sun dried rice husk litter materials were spread on the floor of each pens with an approximate depth of 3 cm. The chicks were equally and randomly divided and distributed in to four dietary treatments having four replications in each treatment. A total number of 10 chick s were put in each replication. This experiment was followed into two periods, starter (0 -15 days), and grower (16 -35 days). In all cases, feeds were offered to the bird ad-libitum. The nutrient requirements (ME, CP, Ca, P, Lysine, Methionine, and Tryptophen) were satisfied as recommended for Cobb 500 commercial broiler. All the feed ingredients used in present experiment were collected from the local market. The Grow Power was collected from Genesis Vet, Dhaka, Bangladesh and included in the diet as per manufacturer's recommendation (50g/100kg of mixed feed). A total of eight diets, four starters and four growers, were formulated based on the experimental treatments as described before. At the end of experiment, a total of 48 broilers, 3 from each replication showing average body size were selected and slaughtered for processing following the procedure. Feeder and drinker were withdrawn from the pens 12 hours prior to harvest the birds to facilitate emptying the gut and reduce contamination of the carcass. After complete bleeding, the slaughtered birds were immersed in hot water (approximately 50°C to 55°C) for 2 minutes in order to loosen feathers from the carcasses. Final processing was performed by removing the head, shank, viscera, oil gland, kidneys and lunges of the carcasses. Heart and liver were removed from the remaining viscera by cutting them loose. The gizzard was removed by cutting it loose in front of the proventriculus and then cutting both incoming and outgoing tracts. Then it was split open with knife, emptied, washed and the lining was removed by hand. Data recorded for dressing quality were live weight, blood weight, feather weight, shank weight, head weight, dressed weight, abdominal fat weight, gizzard weight, viscera weight, drumstick weight, neck weight and heart weight. All recorded and calculated data generated from this experiment were entered in Microsoft Excel worksheet, organized and processed for analysis of variance in a Completely Randomized Design with the help of Statistical Analysis System. Duncan’s Multiple Range Test was computed to compare the differences among the treatment means.

Source of Information: Bang. J. Anim. Sci. 2015. 44 (1 ): 33- 39

Article Link (Online Journal): http://www.banglajol.info/index.php/BJAS/article/view/23139/15922

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Based on the results of present study it can be concluded that the inclusion of Grow Power in mixed feed with or without antibiotic improved the growth of broiler and their feed conversion ratio. This product may be successfully used as nutritional tools in commercial broiler for the promotion of growth and modulation of intestinal microflora. Since the inclusion of traditional antibiotic in the diet of poultry has deleterious effect on the consumer’s health, it can be recommended to consider alternative non -antibiotic growth promoters like Grow Power for the growth of broiler.

Knowledge Management: Journal