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World Health Organization ; World Health Organization Offeset Publication No. 13, (Part 2): Manual on Practical Entomology in Malaria

By World Health Organization

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Book Id: WPLBN0000056796
Format Type: PDF eBook
File Size: 7.6 MB
Reproduction Date: 2005

Title: World Health Organization ; World Health Organization Offeset Publication No. 13, (Part 2): Manual on Practical Entomology in Malaria  
Author: World Health Organization
Volume:
Language: English
Subject: Health., Public health, Wellness programs
Collections: Medical Library Collection, World Health Collection
Historic
Publication Date:
Publisher: World Health Organization

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Organization, W. H. (n.d.). World Health Organization ; World Health Organization Offeset Publication No. 13, (Part 2). Retrieved from http://gutenberg.cc/


Description
Medical Reference Publication

Excerpt
INTRODUCTION Details regarding t h e application of methods and techniques are given below. I t is to be well understood t h a t each method has its own l i m i t a t i o n s in r e l a t i o n t o environmental factors and the vector's n a t u r a l o r induced behaviour. As adequate sampling and processing of material a r e e s s e n t i a l f o r obtaining s i g n i f i c a n t information, the epidemiologist and the entomologist have to decide together t h e extent of the entomological investigations t o be undertaken in each s i t u a t i o n in order t o achieve f u l l y t h e objectives for which t h e s t u d i e s were planned. Where and when necessary, the investigations should be adjusted t o the local requirements. SAMPLING METHODS The c o l l e c t i n g methods are employed for two types of study: (a) Q u a l i t a t i v e studies, when we need t o study the presence, d i s t r i b u t i o n , type of behaviour of d i f f e r e n t mosquito species in d i f f e r e n t macro- and micro-environmental conditions, e t c . (b) Quantitative studies, when collections are made in order t o measure in d i f f e r e n t s i t u a t i o n s the value and v a r i a b i l i t y of vector r e l a t i v e density and abundance, longevity, i n f e c t i v i t y , impact of antivector measures on the vector population, impact on the transmission (vectorial capacity), e t c .

Table of Contents
CONTENTS PART I . VECTOR BIONOMICS AND ORGANIZATION OF ANTI-MALARIA ACTIVITIES -Page Preface Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Chapter 1 . Vector bionomics and related aspects . . . . . . . . . . . . . . . . . . . 3 Chapter 2 . Entomology in malaria programmes . . . . . . . . . . . . . . . . . . . . . 55 Chapter 3 . Critical appraisal techniques of sampling mosquito populations . . . . . . 101 Chapter 4 . Recording and reporting of data . . . . . . . . . . . . . . . . . . . . . 109 Chapter 5 . Interpretation of entomological and related data . . . . . . . . . . . . . 119 General bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 PART I1 . METHODS AND TECHNIQUES 1 . Hand collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 . Spray sheet collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 . Catches of bait . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 . Trap collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 5 . Experimentalhuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 6 . Catches in outdoor shelters . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 7. Larvalsurveys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 8 . Preservationofmaterial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 9 . Processing the collected samples of a mosquito population . . . . . . . . . . . . . 80 10 . The study of vector infection and infectivity . . . . . . . . . . . . . . . . . . . 112 11 . Determination of the duration of the gonotrophic cycle . . . . . . . . . . . . . . 121 12 . Identification of blood meals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 13 . Techniques and procedures for squash preparations of the polytene chromosomes . . . 135 14 . Vector susceptibility to insecticides . . . . . . . . . . . . . . . . . . . . . . . 140 15 . Bio-assaytest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

 
 



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