Introduction
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1.
COMMON CARP, PART 1- MASS PRODUCTION OF EGGS AND EARLY FRY
This is the first part of an illustrated manual on the
large-scale propagation of Cyprinus carpio, the common
carp. It particularly provides details about the advanced
technology which has recently been developed in Hungary for the
mass production of sharp eggs and early fry through artificial
reproduction in a modern hatchery. Selected data on the
reproductive biology of the common carp and on its artificial
propagation are summarized in Tables 1 and 2.
2. The common carp reproduces
in accordance with the biology of its reproductive system.
This manual explains the process and shows how carp may be
propagated. The basic principles which are important to
understand how and why it reproduces are first presented.
3.
Carp may be propagated in natural, semi-artificial or artificial
ways, depending on the degree to which the natural environmental
factors are modified by the fish culturist. A number of the
techniques used in carpiculture are described.
4.
The success of the artificial propagation of carp in a large
scale hatchery depends much on its efficient organization.
Well-trained staff and adequate support services are essential
elements. Up-to-date technology should also be applied.
5.
The selection and management of broodstock are among the most
important aspects of a large-scale hatchery production system.
How to select good broodstock, how to determine when the breeders
have reached maturity, how to differentiate between males and
females, which management system to apply, are all questions
which are examined in this manual.
6.
The artificial propagation technique is described in detail.
Separate sections are devoted successively to the hormonal
treatment and stripping of the spawners, to the artificial
fertilization and hardening of the eggs, to their incubation and
hatching, and to the initial rearing of carp larvae and
production of early fry.
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