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Effect of Feeding Low Protein Diets on the Performance of Broiler During Hot-humid Season

Muhammad Siddiqur Rahman
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh, Bangladesh.

Md. Ahsan Habib Pramanik
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh, Bangladesh.

Biplob Basak
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh, Bangladesh.

Sharif Uddin Tarafdar
Department of Dairy Science, Bangladesh Agricultural University, Mymensingh, Bangladesh.

Sanjib Kumar Biswas
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted with 180 randomly selected 7^th day old ISAI 757 chicks at Bangladesh Agricultural University, Mymensingh. Four different treatments were considered containing 23, 21, 19, and 17% crude protein respectively. Body weights varied significantly (P<0.01) at 8 weeks of age were 1396.03,1358.01,1270.26 and 1175.95 g. Feed conversion ratio also varied (P<0.01) at the end of the experimental period which were 2.34, 2.44,2.67 and 2.89 for T₁, T₂, T₃and T₄ respectively. Feed consumption, survivability and dressing percent did not vary significantly all over the experimental period. Considering the above result, it may be concluded that 21% crude protein in the diet may be suitable for hot-humid season.

Keywords: Low protein diet, Hot-humid season, Broiler, Body weight and FCR

Location: Bangladesh Agricultural University poultry farm, Mymensingh.

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Chicken

Objectives:

i) To assess the effect of feeding low protein diets on the performance of broilers in terms of body weight gain, feed consumption, feed efficiency and survivability.

ii) To investigate whether formulation of rations containing low protein during hot-humid season under Bangladesh condition is feasible.

Methodology:

The experiment was conducted at the Bangladesh Agricultural University poultry farm, Mymensingh, for a period of seven weeks. The research was carried out to study the effect of different dietary protein levels on the body weight gain, feed consumption, mortality and cost of production of broiler chicks in hot-humid season. One hundred eight randomly selected 7^th day old ISAI 757 chicks were collected from "Poultry Development Project" under the department of Poultry Science, BAU, Mymensingh. The chicks were allocated randomly to four dietary treatments having three replications in each treatments. The experimental houses were cleaned properly in every nock and corner including floor and well spraying water with the help of hosepipe. Then disinfected through Phenyl solution followed losan and left for a week. Before placement of chicks the house was fumigated by formalin and potassium permanganate. After proper drying the house are divided into 12 separate pens of equal size. According to the lay out ration was supplied for different treatments. Identical care and management were taken for all the treatment group during experimental period including feed and water supply, feeder and water space, litter management, lighting, immunization, medication etc. Data recorded against the parameters were body weight, feed consumption, survivability, temperature and humidity and dressing percentage also recorded. Considering the recorded data production-cost were calculated.

Source of Information: International Journal of Poultry Science 1 (1) : 35-39, 2002

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The following conclusion were drawn:

1. Low protein (17-19% CP) cannot satisfy the requirement and showed bad effect on the performance of broiler.

2. For hot-humid season, slightly less protein diet showed better result.

3. For Bangladesh, during hot-humid season diet containing 21% CP may be advised. But for final recommendation this type of experiment should be repeated during several seasons of the year.

Knowledge Management: Journal