A method for inducing the sexual maturation of lugworms

Details A method for inducing the sexual maturation of lugworms A method for inducing the sexual maturation of lugworms

A - Human Necessities

01

K

A01K 67/033 (2006.01)

Patent

CA 2543471

The present invention provides a method for inducing gamete maturation in marine worms of the family Arenicolidae and which exhibit epidemic spawning. In the method, male and/or female worms in a housing substrate (such as sand) in sea water are maintained at a temperature of 4 to 8~C for 14 to 24 days, preferably 5 to 7~C for 20 to 22 days. Spawning of the worms can then be induced either by exposure to suitable spawning promoting hormones or by raising the temperature of the sea water to 12 to 14~C.

L'invention se rapporte à un procédé qui sert à induire la maturation des gamètes chez des vers marins de la famille des <i>Arenicolidae</i> et qui présentent une ponte épidémique. Dans ce procédé, les vers mâles et/ou femelles dans un substrat terrier (tel que le sable) dans l'eau de mer sont maintenus à une température de 4 à 8 ·C pendant 4 à 24 jours, de préférence à une température de 5 à 7 ·C pendant 20 à 22 jours. La ponde des vers peut ensuite être induite soit par exposition à des hormones appropriées favorisant la ponte soit par augmentation de la température de l'eau de mer à 12-14 ·C.

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