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Growth Performance of Kasila Broiler Parent Stock Reared on Quantitative Feed Restriction Under Bangladesh Condition

M.E. Hossain
Department of Dairy and Poultry Science, Dinajpur Government Veterinary College, Dinajpur, Bangladesh.

S.D. Chowdhury
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh.

M. Ahammed
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh.

M.A.H. Pramanik
Gazipur Technical School and College, Gachha, Gazipur, Bangladesh.

M.R. Rahman
School of Agriculture and Rural Development, Bangladesh Open University, Gazipur, Bangladesh.

Abstract/ Executive Summary:

A total of 201 Kasila broiler parent chicks were reared in an open-sided house from one-day to 22 weeks of age and growth performance and uniformity were monitored. The birds were maintained on quantitative feed restriction and their adaptability was evaluated. The experimental period was divided into three phases, phase I (day-old to 2 weeks), phase II (3 to 8 weeks) and phase III (9 to 22 weeks). The birds were provided with identical care and management like feeding, watering, ventilation, lighting, vaccination and disease control programme. Female chicks followed standard growth and feed consumption curves very closely while, male followed standard growth curve irregularly. The body weight of females at the end of 2nd, 8th and 22nd weeks were slightly higher but close to the standard while, males were little higher at 2nd & 22nd week but little lower at 8th week. Body weight gain of both females and males were lower during 3 t o 8 weeks and higher during 9 to 22 weeks of age. Kasila females exhibited acceptable uniformity ranges during the study period except at 20th week. But the males showed lower trends in uniformity in most of the growth period. The birds were more prone to Mycoplasmosis during the growing period in spite of adopting preventive measures including medication. Kasila broiler parents are adaptable under Bangladesh condition if environmental stress could be minimized by taking appropriate measures and following breeder’s instructions.

Keywords: Kasila, Parent stock, Standard weight, Achieved weight

Location: Bangladesh Agricultural University Poultry Farm.

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Chicken, Feed

Objectives:

1. To monitor growth performance i.e. body weight, body weight gain, feed intake and uniformity of Kasila broiler parent chicks resulting from quantitative feed restriction in an open-sided house.

2. To assess their adaptability as well as welfare under Bangladesh condition.

Methodology:

Two hundred one Kasila broiler parent chicks were reared from one day-old to 22 weeks of age in an open-sided house at Bangladesh Agricultural University Poultry Farm during the period between late autumn and spring. The experimental period was divided into 3 phases, phase I (Day old to 2 weeks), phase II (3 to 8 weeks) and phase III (9 to 22 weeks). During phase I, straight-run chicks were divided into 3 replications each of 67 chicks. In phase II and phase III, female chicks were divided into 3 and 6 replications each of 52 and 23 chicks respectively. Male chicks were divided into 3 replications each of 8 chicks in phase II and phase III. The birds were provided with identical care and management and environmental conditions like feeding, watering, ventilation, lighting, vaccination and disease control measures were also identical. The house, feeders, waterers and other equipments were properly cleaned, washed and disinfected before use. Fresh dried sawdust was spread initially at a depth of 1.5 cm on the floor as litter material and gradually increased up to 5 cm. Litter was stirred occasionally to minimize dampness and cake formation. Chicks were subjected to 24 hours light during the first 14 days of life. From 2 weeks of age, light was gradually decreased daily and then maintained 12 hrs up to 19 weeks of age and then stimulated gradually up to 15 hours for the remainder of the experimental period. The lighting hours wa s adjusted depending on the day length. Additional artificial light was provided with natural day length to fulfill the required lighting hours. The chicks were initially weighed and then weekly as straight-run chicks for the first 2 weeks of age and males and females were weighed separately from 3rd weeks to 22nd weeks of age. From day old to 2 weeks of age, the chicks were fed ad libitum. Feed restriction was started from the beginning of the 3rd week and it was continued up to end of the experimental period. Feed was supplied twice a day from 3 to 8 weeks of age and then once in the morning up to 22 weeks of age. Feed management program was set for each week according to guide lines of the breeders considering the achieved body weight. When the average body weight was above target, no extra feed was supplied to the bird and standard feed allowance was maintained. One gram feed was increased for each 50 gram under weight birds when the body weight was below target. Switching over to grower diet from starter diet and pre-breeder diet from grower diet was dependent on the achievement of target body weight. Clean and cool water was provided to the birds ad libitum. Strict biosecurity measures were taken in and around parent shed during the experimental period. The birds were immunized against Infectious Bronchitis, Newcastle disease, Gumbro, Fowl Pox and Fowl Cholera. The stocking density of phase-I was 12 birds/m² and 4.5 birds/m² for male during phase II and III. For female, the stocking density was 9.3 and 4.1 birds/m² during phase II and III respectively. Debeaking was done for both male and female birds during phase I and only for female during phase II. Data on body weight, body weight gain, feed consumption , temperature, humidity, mortality and uniformity were recorded. Achieved body weight, real feed consumption and uniformity data were compared graphically against standards as suggested by the breeder.

Source of Information: International Journal of Poultry Science 4 (3): 153-158, 2005, ISSN 1682-8356

Article Link (Online Journal): http://www.pjbs.org/ijps/fin315.pdf

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The results indicated that Kasila broiler parents are adaptable under Bangladesh condition in late autumn and spring but the birds specially the males are very sensitive to extreme cold and diseases. It might be suggested that efficient heating device and strict biosecurity coupled with an effective vaccination program are the keys for successful growing.

Knowledge Management: Journal