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Published byIrma Mosley Modified over 9 years ago
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Reproduction cycle in carp
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. Development of eggs in the ovary
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. Parameters affecting the development of gonads
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Spawning in temperate and tropical regions
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Maturation of carp in tropical regions
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Spawning of carp in an natural environment
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. Different egg stages
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Characteristics of larvae, fry and advanced fry
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Parameters controlling reproduction in the natural environment
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Parameters important for artificial reproduction
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Artificial fertilization under dry conditions
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Natural propagation
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The Dubish method
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Propagation methods for carp
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Semi-artificial propagation
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Breeding in hapas
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Use of kakabans
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Artificial propagation (overview)
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Advantages of the artificial propagation of common carp
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Different steps in the production of carp
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Production in temperate and tropical regions
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Staff requirements
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Support services
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Summary of the mass production of eggs
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. Broodstock management
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Selection of broodstock
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Sex differentiation of broodstock
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Broodstock ponds
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. Broodstock management in temperate countries
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Broodstock management in tropical countries
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. Introduction of carnivorous fish to eliminate wild spawning
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Broodstock feed
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. Broodstock handling
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. Transport of broodstock
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Tank for broodstock transportation
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Injection and stripping of spawners
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Injection of gonadotrophic hormones
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رابطه میزان هیپوفیز با حداکثر دور بدن کپور ماهیان چینی میزان هیپوفیز(میلی گرم ) به ازای کیلو گرم وزن بدن حداکثر دور بدن( سانتی متر)
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Dosage of hormones
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. Ginding and preparation of hormone solution
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. Summary of the treatments applied in the hatchery to the female spawners
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Anaesthesation of the broodstock
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Injection of the hormones
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Recovery from injection
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Suture of the genital opening
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Second hormonal injection
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Recovery from the second injection, indicator male
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Ovulation period in function of temperature
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. Selection of ripe females
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Cutting of the suture of the genital opening
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. Stripping of small females
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. Stripping of big females
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Summary of the treatment applied to males
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Collection of milt
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Artificial fertilization and hardening of the eggs
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Summary of fertilization and hardening of the eggs
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Ratio eggs and milt for fertilization
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Fertilization
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. Preparation of the fertilizing solution
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. Mixing of eggs with fertilizing solution
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Swelling process
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Preparation of hardening solution
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. Procedure for hardening the eggs
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Equipment and organization in the hatchery
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73. Incubation of fertilized eggs
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Water supply
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Construction of the water supply (natural temperature)
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Construction of a double water supply system
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Zug jars
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. Incubation of the Zug jars
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Flow rate in the Zug jars
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Incubation period in function of the temperature
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Protection against fungi
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Removal of dead eggs
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Inspection during the incubation of eggs
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Rearing larvae in the hatchery
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Summary of the larval rearing
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Harvesting of the ripe eggs
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Hatching of the larvae
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Larval rearing tanks
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Stocking of the larvae
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Different steps in the larval rearing
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Exogenous food
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Preparation and distribution of hard boiled egg yolk
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Transportation tank
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Transport and manipulation of the larvae
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Transport in plastic bags
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Transport and stocking in the ponds
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Collection and storage of hypophyses
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Removal of the pituitary gland
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Storage of hypophyse
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