Fish sex discrimination equipment and method
First Claim
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1. Fish sex discrimination equipment comprising:
- an automatic supplying unit for separating and supplying fish to be discriminated,buckets on which the fish are put,a bucket conveyor for carrying the buckets,a light projection and reception detection means for projecting light onto a genital gland area of the fish and for detecting transmission light from the fish, the transmission light being scanned in a direction from belly to back or from back to belly in the fish by the movement of the bucket,a discrimination control means for discriminating whether the fish are male or female based on data of the detected transmission light,a discharge means for discharging the discriminated fish having the same sex, anda first conveyor means and a second conveyor means for carrying the discriminated and separated male and female fish, respectively,wherein the fish to be discriminated are automatically supplied and the sex of the fish is discriminated and the fish are separated.
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Abstract
Fish sex discrimination equipment and method comprising an automatic supplying unit, a light projection and reception detection unit, a discrimination control unit, a discharge unit, and a first conveyor and a second conveyor, and also comprising the steps of automatically supplying fish to be discriminated, transmitting light to a genital gland area of the fish, scanning the light, discriminating the sex of the fish based on the quantity of light tramsmitted, for example, a mean value or integrated value, and discharging the fish through the first or second conveyor which corresponds to the sex of the fish.
25 Citations
11 Claims
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1. Fish sex discrimination equipment comprising:
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an automatic supplying unit for separating and supplying fish to be discriminated, buckets on which the fish are put, a bucket conveyor for carrying the buckets, a light projection and reception detection means for projecting light onto a genital gland area of the fish and for detecting transmission light from the fish, the transmission light being scanned in a direction from belly to back or from back to belly in the fish by the movement of the bucket, a discrimination control means for discriminating whether the fish are male or female based on data of the detected transmission light, a discharge means for discharging the discriminated fish having the same sex, and a first conveyor means and a second conveyor means for carrying the discriminated and separated male and female fish, respectively, wherein the fish to be discriminated are automatically supplied and the sex of the fish is discriminated and the fish are separated. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A fish sex discrimination method comprising steps of:
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automatically supplying fish to be discriminated, transmitting light to a genital gland area of the fish, scanning the light in a direction from belly to back or back to belly by movement of a bucket conveyor, discriminating the fish as male or female based on the quantity of light transmitted through the genital gland area of the fish, and discharging the male fish through a first conveyor means, and the female fish through a second conveyor means. - View Dependent Claims (8, 9, 10, 11)
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Specification