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Effect of Yoghurt and Protexin Boost on Broiler Performance

A. Aftahi
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh 2002, Bangladesh.

T. Munim
Department of Animal Breeding and Genetics, Bangladesh Agricultural University, Mymensingh 2002, Bangladesh.

M.A. Hoque
Department of Animal Breeding and Genetics, Bangladesh Agricultural University, Mymensingh 2002, Bangladesh.

M.A. Ashraf
Bangladesh Agricultural University, Mymensingh 2002, Bangladesh.

Abstract/ Executive Summary:

The influence of yoghurt and protexin boost on broiler growth, feed intake, feed conversion ratio, livability and profitability production was studied from 1 to 35 days of age. A total of 120 day-old Arbor Acres commercial broiler chicks were distributed randomly into five dietary treatments. Each treatment had 3 replications each of 8 birds. The experimental treatments T₁ considered as control and T₂, T₃, T₄ received 3.0g, 4.0g, 5.0g sour yoghurt, respectively per liter of drinking water and T₅ received 1.0g protexin boost per 10 liter of drinking water throughout the experimental period. Improvement was observed in body weight gain and feed conversion ratio of broiler of T₅ group at 35 days of age compared to other groups. Satisfactory improvement was observed in birds of T₄ treatment group. Diet of different treatments had no significant (p>0.05) effect on livability of broiler. It was concluded that yoghurt and protexin boost could show beneficial effect on broiler performance at the level tested and the inclusion of yoghurt at a level of 5 g per liter of drinking water could be economized broiler production.

Keywords: Probiotic, Broiler, Livability, Profitability

Location: Bangladesh Agricultural University Poultry Farm, Mymensingh.

Start Date: 26-03-2005

End Date: 01-05-2005

Program Area: Animal Health and Management

Commodity: Poultry

Objectives:

1. To investigate the effects of protexin and yoghurt on the performance of broilers.

2. To asses economic viability of feeding yoghurt and protexin to broilers.

Methodology:

This study was conducted at the Bangladesh Agricultural University Poultry Farm, Mymensingh during the period from 26 March to 1 May, 2005 to see the effects of yoghurt and protexin boost on broiler performance. Day-old Arbor Acres commercial broiler chicks were collected from Aftab Bahumukhi Farms Limited, Bajitpur, Kishorejong, Bangladesh. An open house was partitioned to 15 pens of equal size by using expanded wire net and bamboo materials with 8 pens in one side and 7 pens in another side of a service area running along the middle of the house. Each pen was 95 cm x 85 cm for eight birds. Therefore, the space given for each bird was 1009 sq cm. The pens were thoroughly brushed, swiped and washed by water. After washing with clean water, the pens were disinfected by virkon solution. Then the rooms were left vacant for 10 days. During this time, all feeders, waterers and other necessary equipment were properly cleaned, washed and disinfected with virkon solution, subsequently dried and left for 3 days before use. A commercial probiotic "Protexin boost" was collected from local market which was denoted by Novertis (Bangladesh) Limited for the study purpose. Yoghurt was also purchased from local market. There were 5 treatments i.e. control (T₁), 3.0g yoghurt per liter of water (T₂), 4.0g yoghurt per liter of water (T₃), 5.0g yoghurt per liter of water (T₄) and 0.1 g protexin per liter of water (T₅) in this experiment. Each treatment had 3 replications each of 8 birds. The chicks were randomly picked up from a large population and distributed to replicate pens. Initial body weight was adjusted in all replicates and treatment groups and the initial (day-old) body weight ranged from 48-50 grams. The commercial broiler starter and finisher diets were purchased from an agent at Mymensingh town of Aftab Bahumukhi Farms Limited. Fresh rice husk at a depth of 3 cm was used as a litter material and was placed in the pens 2 days earlier before arrival of the baby chicks. The litter has disinfected with virkon solution. Litter material when found damp was replaced by new litter. The birds were brooded with one 60 watt electric bulb from day-old to 10 days. The bulb was hanged just above the bird's level at the center of each pen. Brooding temperature was kept 34ºC at the beginning of the first week of age and decreased gradually in each subsequent week until adjusted to normal environmental temperature. Increasing or decreasing of temperature was done by lowering or raising the bulbs according to the condition of birds observed. After that only one 100 watt bulb were provided up to end of the experiment at the levels of human's head. For the first week, feeds were given on newspaper and water was supplied in a round waterer. After first week one trough feeder and one round waterer were provided for each replication. Each waterer was placed on two flat bricks. Immediately after distribution of the chicks in the pens, 5% glucose solution was provided to the chicks for 3 hrs. Then yoghurt was provided with drinking water to T₂, T₃ and T₄ treatments and protexin boost was provided with to T₅ treatment group of chicks. For the first 7 days feed was given on paper and thereafter trough feeder was used for feeding the birds. Leftover feed were mixed with fresh feed into the feeder in each time. In case of cake formation or spoiled condition, it was excluded by taking weight of the waste feed. Feed and water was supplied at ad libitum. The experimental birds were vaccinated against Newcastle disease and Infectious Bursal Disease. The vaccination schedule followed during the experimental period. Adequate hygiene and sanitation were maintained during the study period. Drinkers were washed with clean tap water every morning. The room ally was swiped once daily. A gunny bag was placed at the entrance of the room soaked with bleaching powder solution at all times. All equipment of the house was kept clean. Before entrance, hand and feet were properly washed during working. All the recorded and calculated data were analyzed for analysis of variance (ANOVA) using a completely randomized design (CRD) with the help of MSTAT computer program. The meat yield parameters were analyzed by using a 2 (sex) x 5 (diets) factorial design in CRD. Least significant differences were calculated to compare variation among treatments when ANOVA showed significant differences (P< 005).

Source of Information: International Journal of Poultry Science Volume 5, Number 7, 651-655, 2006, ISSN 1682-8356

Article Link (Online Journal): http://scialert.net/qredirect.php?doi=ijps.2006.651.655&linkid=pdf, DOI: 10.3923/ijps.2006.651.655

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The birds supplied 5.0g yoghurt per liter of water or 0.1g protexin per liter of water gained significantly (p< 0.05) higher weight than other dietary treatments, which indicate that supplementation of higher level of yoghurt or probiotic might be effective to improve body weight gain and feed conversion ratio. The differences in livability in all dietary treatments were non significant (p <0.05) It may be concluded that feeding yoghurt in drinking water might be effective for better performance in broiler. However, further investigation with more different levels of yoghurt and protexin boost is needed to confirm the results.

Knowledge Management: Journal