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7503283 |
Aquatic egg collection research system and related devices for implementing the system
The application is directed to an aquatic egg collection research system. The egg collection includes stepped racks that hold a plurality of tanks in a stepped configuration. A stepped fluid...
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7213536 |
Method for producing short-lived salt-tolerant freshwater baitfish
A method for selecting a freshwater fish able to tolerate conditions of varying salinity is disclosed. Fish are first selected by pre-screening for salt-tolerance. The selected fish are bred using...
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7194978 |
Inducing sterility in fish by disrupting the development of the GnRH system
The present invention provides for a method for inducing sterility in fish by administering at least one compound that disrupts the establishment of the gonadotropin-releasing hormone system during...
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7094417 |
Fish hatching method and apparatus
The invention is a method and kit for conducting a rapid toxicity test. Methods and kits according to the invention include an animal or plant species in diapause.
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6443097 |
Recirculating marine aquaculture process
A high efficiency recirculating marine aquaculture process for producing fish at variable yield densities of up to 60 kg/meter 3 of the aquaculture tank, including fish that spawn under short...
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5722346 |
Smolting feed
A fish feed composition to reduce mortality and/or improve growth in juvenile salmon upon transfer to seawater. The fish feed includes L-carnitine in admixture with juvenile salmon feed...
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5660140 |
Method and system for using coal mine water runoff by raising cold water fish therewith
A method and system are provided for using coal mine water effluent and for raising cold water fish. The method involves aerating coal mine water effluent having a water temperature of from 12...
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5568790 |
Worm trap for a breeding tank assembly
A worm trap for use in an aquarium for trapping worms. The worm trap includes a tube assembly having a pair of openings at the ends of the assembly. A chamber is located within the assembly and is...
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5181479 |
Fish egg and larvae collection system
A system for continuously collecting and preserving fish eggs and larvae by pumping, concentrating, separating, and preserving samples for a specific period of time or volume. Water containing fish...
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5076209 |
Breeding apparatus
A breeding apparatus comprising a breeding water tank, an ozonizing device, an activated carbon device and a breeding water circulating device wherein breeding water of sea water or a mixture of...
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5048458 |
Method of breeding fish
There is disclosd a novel method which, based on the brief application of electrostatic fields, induces to lasting useful and desirable properties in fish, which properties cannot otherwise be...
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5046452 |
Method and apparatus for breeding roes or eggs of aquatic animals
A method for breeding roe or eggs of aquatic animals, e.g. fish, comprising maintaining the roe or eggs in an oxygen-containing gaseous environment, e.g. air, in direct contact with the gas of the...
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4934318 |
Method of lamprey control
A method of controlling the population of sea lamprey wherein a suitable treatment site is chosen and rocks of a sufficient size and concentration are then introduced to the floor of the...
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4697546 |
Method for production of tetraploid channel catfish
A method for the induction of tetraploidy in channel catfish by heat-shocking fertilized eggs is described. Fertilized catfish eggs are treated after a preliminary incubation period and prior to...
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4509458 |
Process of sea-ranching salmon and the like
This disclosure is concerned with improvements in releasing fresh-water salmon smolt and the like into the sea following periods of salt-water imprinting and maturation in the region of desired...
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4489674 |
Method for production of a triploid channel catfish and product of method
A method for the induction of 100% triploidy in channel catfish by cold-shocking fertilized eggs at about 5° C. for up to about 1.0 hour starting about 5 minutes after fertilization.
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4415562 |
3-Thiovinylcephalosporins and pharmaceutical compositions
New cephalosporins of the general formula: ##STR1## in which R is alkyl, L-2-amino-2-carboxyethyl, phenyl or various heterocyclic rings, R' is a hydrogen atom or a radical of the general formula:...
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4385589 |
Method of preventing the normal reversion of salmon smolt and the like in fresh water back to parr characteristics, and for effectively imbuing sea salmon with land-locked salmon characteristics
This disclosure is concerned with applications of the discovery that the normal reversion of fresh-water-developed sea-type salmon smolt back to parr, usually within several weeks of smolting, can...
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4178878 |
Fish egg planting method
Described herein is a novel method for the implantation of fish eggs usually salmonidae eggs in a stream or lake bed and the accompanying apparatus. In practicing this invention the stream or lake...
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4144840 |
Raising pelagic game fish
Pelagic species of game fish, such as marlin and tuna, are raised from an embryonic, or larval, stage to a juvenile stage by a process and apparatus employing a biologically closed, physically open...
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4130086 |
Fish egg planting device and method
Described herein is a novel method for the implantation of fish eggs usually salmonidae eggs in a stream or lake bed and the accompanying apparatus. In practicing this invention the stream or lake...
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3886905 |
Fish propagation method
A method and apparatus for propagating fish from fish eggs. A layered deposit of fertilized eggs is prepared within a confined zone circumscribed by the walls of a tank. Eggs incubate in this...
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3886903 |
Method of spawning and culturing of sweet smelts
A method of spawning and culturing of sweet smelts in which spawning and fertilization of large quantities of eggs of sweet smelts can be accomplished in a very short time at a high spawning ratio...
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3777709 |
REARING OF FISH
A method of rearing fish, particularly anadromous fish of the family Salmonidae in a captive environment. More particularly, rearing the young fish in fresh water and feeding them to appetite until...
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3765372 |
PROCESS AND APPARATUS FOR MARICULTURE PRODUCTION
A mariculture process for raising salt water fishes, such as pompano, whereby a brood stock is isolated in an artifically controlled environment, the temperature and degree of light exposure and...
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3741158 |
PRE-CONDITIONING PROCESS FOR INDUCED SPAWNING
A process for pre-conditioning of fish in preparation for induced spawning which comprises isolating a brood stock of sexually immature or inactive fish from the natural environment by placing the...
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3683854 |
APPARATUS FOR SEPARATING VIABLE FISH EGGS FROM NON-FERTILIZED EGGS
The property of certain marine fish eggs to become buoyant when they are fertilized is utilized by placing such eggs in a container having an upper portion with a water permeable wall, a lower...
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3661119 |
LARVAE REARING TANK AND CIRCULATION SYSTEM FOR FISH CULTURE
A larvae rearing tank and a water circulation and filtration system associated therewith which provides a high rate of water exchange in the larvae tank with minimum turbulence and water flow in...
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3565042 |
BREEDING DEVICE
In a breeding device including a frame adapted to hold a foraminous material the improvement which comprises holding means integral with the frame adapted to hold a strand of artificial breeding...
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3464385 |
METHOD OF AND APPARATUS FOR ENHANCING SALMON SPAWNING
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3446185 |
METHOD OF RAISING FISH
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3406662 |
Method for breeding fish, such as salmon or sea trout
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3118424 |
Spawning device
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2955569 |
Prepared spawning ground
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5647301 |
Title is not available
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3572291 |
Title is not available
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