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Hemato-biochemical Changes of Layer Birds During Egg Production Reared in Sylhet Region of Bangladesh

S. Islam
Lecturer
Department of Physiology, Sylhet Agricultural University, Sylhet, Bangladesh.

M. M. R. Howlader
Professor
Department of Physiology, Sylhet Agricultural University, Sylhet, Bangladesh.

S. Saha
Assistant Professor
Department of Dairy Science Sylhet Agricultural University, Bangladesh.

N. Bhowmik
Lecturer
Department of Genetics and Animal Breeding, Sylhet Agricultural University, Sylhet, Bangladesh.

Abstract/ Executive Summary:

A total of sixty (60) layer birds ISA Brown Strain divided in three cages were selected for study. The birds were maintained in Battery cage system in experimental unit of Sylhet Agricultural University, Bangladesh to investigate the effects of hemato biochemical changes during egg production of layer birds. The design of the experiment was RBD with five replications and four different layer birds of age of 24 - 28 wks, 29 - 33 wks, 34 - 38 wks and 39 - 43 wks. The highest value of TEC, TLC, Hb and PCV, SGOT, SGPT and Ca were 2.833±0.04 million/mm 3, 21.7±0.10 thousand/mm 3, 8.883± 0.03gm/dl and 28.58±0.02 (%), 14.2±0.2iu/l, 23.03±0.23iu/l and 9.013±0.10mg/l of blood respectively, obtained during 39 - 43 wks of egg production and lowest value was in 24 - 28 weeks of age. There was significantly (p<0.01) lower in 24 - 28 weeks of age than the 39 - 43 weeks of age. The number of TEC, TLC and concentration Hb, PCV were increasing according to age of birds. The SGOT/AST, SGPT/ALT and Calcium (Ca) were statistically significant (p<0.01) in different age and groups of layer birds during egg production. The concentration of SGOT/AST, SGPT/ALT and Calcium (Ca) were increasing according to the age of birds. The present results revealed that 39 - 43 wks of age of layer birds found the maximum volume of hemato biochemical parameter.

Keywords: Layer bird, Hematobiochemical parameters, Total erythrocyte count, Total leukocyte count, Hemoglobin, Packed cell volume

Location: Physiology Laboratory of Sylhet Agricultural University, Sylhet, Bangladesh.

Start Date: 00-06-2012

End Date: 00-11-2012

Program Area: Variety and Species

Commodity: Chicken

Objectives:

1. To determine hematological and biochemical changes during egg production

2. To know the causes of low egg production.

Methodology:

A total of sixty (60) chickens of ISA Brown strain layer birds of different ages were used in this experiment. The experiment was conducted from June to November, 2012. Sixty (60) ISA Brown strain healthy birds of different ages were distributed in 3 groups (Group-1, Group-2, and Group-3) in separate pen of battery cage. The chickens were again divided in four groups on the basis of age, 24-28 wks (M1), 29-33 wks (M2), 34-38 wks (M3) and 39-43 wks (M4) of old. Blood samples were collected aseptically with sterile syringe and needle from the right basilic vein of different groups of chicken on the basis of age. Instantly collected blood was transferred to clean, sterile test tube anticoagulant (EDTA) at a ratio of 1:10 for the hematological studies and were performed within five hours after collection of blood. The haematological and haematobiochemical studies were done in the Physiology Laboratory of Sylhet Agricultural University, Sylhet, Bangladesh. The data generated from this experiment were entered in Microsoft Excel worksheet, organized and processed for further analysis and the treatments mean were compared by Duncan’s Multiple Range Test.

Source of Information: International Journal of Agriculture Innovations and Research Volume 2, Issue4, ISSN (Online) 2319-1473

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The present results revealed that 39 - 43 wks of age of layer birds found the maximum volume of hemato biochemical parameter.

Knowledge Management: Journal