Economic Zoology Assignment PDF

Assignment # 01
Aquaculture and Fisheries( Edible Freshwater)
Submitted by:
Ayesha Amir
Roll no:20012514-037
Submitted to:
Dr.Shazia Shamas
Course Title:
Economic Zoology
Course Code:
ZOO-481
Semester........02(Evening)
Submission date:
08-May-2021
Department of ZOOLOGY
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Table of Content:
Introduction  What is aquaculture?  Fisheries
Fish Culture system
Cultivatable organisms
Open life system
Cage tradition  Pen way of life
Raft subculture
Rack life style
Semi closed Culture system
Pond Culture
Raceway manner of life style
Closed Culture System
Water recirculation structures
Fresh water bodies
1. Ponds and Tanks
2. Swamps
3. Reservoirs
Edible freshwater fishes
Major carp
Catla catla
Labio rohita
Lebio Callbasu
Lebio bata
Cirrhinus mrigala
Cyprinus carpio
Clarias batracus
Heteropneustes fossilis
Wallago Attu
References
What is Aquaculture?
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In many techniques, aquaculture is established. It was called aquatic organisms rearing under supervised
or semi-managed conditions – underwater agriculture exists there. The other concept of aquaculture is the
artworks that cultivate the herb of water, growing or fattening fish in enclosed pools. Another is actually
massive husbandry or rearing for commercial purposes of aquatic species. Aquaculture is the capacity to
decrease It can propose an expanded range of jobs in importing fishery goods, enhanced game, industry
and a well-founded protein source for potential fisheries.
Fisheries:
Fish is an abundant source of animal protein, and its way of life is also a strong instrument for the
production of protein meals from its aquatic environment. The main role of the fish way of life is its
ability to improve human nutritional standards.
Fish Culture system :
Fish subculture also permits the use of water and land properties. The main precept for the way of life of
composite fish is the stocking of various speedy-growing, beautifully adapted fish species with
complementary feeding behaviour for the proper use of the natural meals that are present in particular
ecological niches within the pond for maximised fish production. In short, the composite fish lifestyle
period covers the eradication of aquatic weeds and predatory fish, liming: software 100mm fingerlings of
Indian essential carps Catla rohu, mrigal, exoticCarps, silver carp, herbal and ordinary carp in an honestly
acceptable combination and density, from fertiliser at pond soil and water exceptional; ordinary additional
feed and harvest fish at a suitable time. The composite fish farming system is completed by adoption
Three kinds of mixtures by, my way of life, the really good carp's culture and the way I live Indian and
super carps collectively. Fish production ranging from three thousand to six thousand kg. According to
the years, hectare is traditionally received through the composite fish culture method. The development of
comprehensive pond control measures has increased the fish yield approximately.
Cultivatable organisms :
Cultivable species are cultivated in special traditional systems types. Many lifestyles are mostly based on
traditional ideas that have been employed for years, but some include fresh and radical expectations that
motivate them in particular. There are three primarily open, semi-closed and closed structures of
subculture. Each has its own unique features, advantages and disadvantages. The choice of tool depends
largely on the nature of the species to be grown and on the sources and ideas of the farmer.
Open lifestyle systems
The oldest open structures and the use of the fish farm is its agriculture. Natural properties may be used as
traditional systems and cultivated species store inside the body of water. For open lifestyle structures,
capital charges are modest. Management is much less than in the unique systems. The circumstances are
more normal And, uncrowded in the way of life, far less time is required to monitor the situation of the
traditional species in open systems. The disadvantages such as predation and wildlife are not uncommon.
The rate of increase and product uniformity are variable compared with distinct systems. Examples of
open tool techniques include cages, long traces, floats, rafts and clam beds.
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