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Zoology

ECONOMIC IMPORTANCE OF FISHES

  • BS Media
  • | 13 Jun 2017
Fishes are very important to man economically.   As food They give by-products To control…
Tuesday, 13 June 2017 13:05

FRESH WATER FISHES IN AQUACULTURE

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TYPES OF CULTURABLE FRESH WATER FISHES   India occupies second position in prawn culture and…
Tuesday, 13 June 2017 08:30

FISH CULTURE AND REARING METHODS

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Fish culture is of different types viz., 1. Composite fish culture 2. Cage culture 3.…
Tuesday, 13 June 2017 08:03

AQUA CULTURE (PISCI CULTURE)

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1. CAPTURE FISHERY   Initially, man tried to capture fishes by using different types of…
AQUACULTURE - INTRODUCTION   Aquaculture, also known as aquafarming, is the farming of fish, crustaceans,…
Monday, 12 June 2017 18:38

ECONOMIC ZOOLOGY

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Economic zoology is a branch of science studies about economically useful animals. The following topics…
Monday, 12 June 2017 18:02

ZOOGEOGRAPHY: ETHIOPIAN REGION

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Zoogeographers divided the earth into different zoogeographical regions. Ethiopian region is one among them. In…
Monday, 12 June 2017 17:38

ZOOGEOGRAPHY: ORIENTAL REGION

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ORIENTAL REGION   This region includes Indian sub-continent Ceylon Burma Philippines. Formosa and Scathe China,…
Monday, 12 June 2017 15:20

ZOOGEOGRAPHY: AUSTRALIAN REGION

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The entire earth shows animal fauna. As per the distribution of the fauna the earth…
Monday, 12 June 2017 14:12

ZOOGEOGRAPHY: NEOTROPICAL REGION

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This region includes S. America, Central America, Mexico and West Indies.   This is divided…
Monday, 12 June 2017 13:54

ZOOGEOGRAPHY: NEARCTIC REGION

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NEARCTIC REGION   The region above the tropics of North America is the Nerctic region.…
Monday, 12 June 2017 13:35

ZOOGEOGRAPHY: PALAEARCTIC REGION

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PALAEARCTIC REGION   This is the largest of the Six regions is covering an area…
Monday, 12 June 2017 13:09

AN INTRODUCTION TO ZOOGEOGRAPHY

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Zoogeography: The study of geographical distribution of animals is Zoogeography.   The vertebrates have characteristic…
Sunday, 11 June 2017 16:55

CHICK: EXTRA EMBRYONIC MEMBRANES

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FOETAL MEMBRANES OF CHICK In amniotes the developing embryo in order to grow properly foetal…
The mesoderm is proliferated by primitive streak. It is formed as two layers. In front…
The second step in gastrulation is the formation of primitive streak. At the posterior region…
Sunday, 11 June 2017 15:29

GASTRULATION IN CHICK-II - FORMATION OF ENDODERM

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Formation of endoderm: Endoderm of hypoblast develops as a single layer of cells in side…
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