DSpace at Chattogram Veterinary and Animal Sciences University: REPORT ON THE ENVIRONMENTAL EFFECTS ON LAYER PRODUCTION IN BANGLADESH

REPORT ON THE ENVIRONMENTAL EFFECTS ON LAYER PRODUCTION IN BANGLADESH

A Production Report submitted as per approved style and content

REPORT ON THE ENVIRONMENTAL EFFECTS ON LAYER PRODUCTION IN BANGLADESH

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Signature of Author

Name: Md. Torikul Islam Roll No: 2002/110 Reg. No: 142 Intern ID: I- 44

Date of submission: 22 April’ 2009

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Signature of Supervisor

Name: DR. Saranika Talukder Designation: Lecturer

Dept. of Animal Science and Animal Nurtition Chittagong Veterinary and Animal Sciences University

Roll No: 2002/110 Reg. No: 142 Intern ID: I- 44

Session: 2001 – 2002

Report presented in partial fulfillment for the Degree of Doctor of Veterinary Medicine (DVM)

Faculty of Veterinary Medicine

Chittagong Veterinary and Animal Sciences University Khulshi, Chittagon-4202

April’ 2009

Contents

Sl. No. Chapter Subject Page No.

1 Acknowledgement i

2 Abstract ii

3 I Introduction 01-02

4 II Review of Literature 03-04

5 III Materials and Method 05-08

6 IV Results and discussion 09-18

7 V Conclusion 19

8 VI References 20-21

List of Tables

Sl.No. Title Page No.

1 Production, requirements and deficits of livestock products. 02 2 Age wise lighting schedule of layer birds on different

farms ⁰⁵

3 Effects of temperature and humidity on egg production, egg

size, egg shell thickness and feed consumption of layer bird. 09 4 Effects of different gasses (NH3, CO2) on egg production,

feed consumption and egg weight of layer birds 10 5 Effect of floor space on mortality , egg production, egg

weight and feed consumption ¹¹

6 Disease prevalence among different farms of layer birds ¹²

List of Figures

Sl. No. Title Page No.

1

Effect of temperature on egg production and egg size

14

2

Effect of temperature on feed consumption

14

3

Effect of temperature on egg shell thickness

15

4

Effect of humidity on egg production and egg size

15 5 Effect of humidity on egg shell thickness

16

06 Effect of humidity on feed consumption 16

07 Effects of gases on egg production, egg weight and feed

consumption 17

08 Mortality of layer birds on different farms 18