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    Advances in marine biology, vol. 20
    33
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    Keywords:
    Mariculture
    Patinopecten yessoensis
    Представлено биологическое обоснование возможности долгосрочного прогнозирования численности молоди приморского гребешка Patinopecten (=Mizuhopecten) yessoensis, (Jay,1856) -основного объекта культивирования в Приморском крае
    Patinopecten yessoensis
    Mariculture
    A study was made on the hybridization using Farreris scallop(Chlamys farreri) ♀×Japanese scallop(Patinopecten yessoensis).The results indicated that hybridation between the two species of scallop is feasible.During the larva stage,F1 hybrids exhibited strong growth to some extent;no significant difference was found in the larva survival rates between the groups,however,the metamorphism rate of F1 hrbrids was significantly lower than that of the inbred groups.Nursery rearing was studied with the hybrid group of Zhikong scallop(Chlamys farreri) ♀×Japanese scallop(Patinopecten yessoensis),and good economic benefits were gained.
    Patinopecten yessoensis
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    We evaluated the effect of where the hole is drilled in the shell when using the ear-hanging or Nimai-ake method in scallop aquaculture. We examined its influence on growth and mortality during 8-month growth trials on the scallop Patinopecten yessoensis at Shikabe, Japan. Our .
    Patinopecten yessoensis
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    By means of capillary gas chromatography column,fatty acids composition in diploid and trploid Japanese scallop (Patinopecten yessoensis) was studied.The main results were as follows:①The composition of fatty acids in muscle and mantle was similar to both scallops.They were all PUFASFAMUFA and n 3PUFAn 6PUFA.The main fatty acids were 22∶6n 3(23.9%-28.9%),20∶5n 3(17.6%-20.6%),16∶0(11.0%-19.4%),18∶0(7.3%-8.1%) and 20∶4n 6(2.8%-5.5%);②Diploid and triploid scallop had similar kinds of fatty acids in gonad,but there were significant differences in the contents of fatty acids between the two scallops,in which triploid scallop had significantly higher levels of SFA and MUFA,but lower level of PUFA in gonad than those of diploid scallop(P0.01).
    Patinopecten yessoensis
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    There was a negative relationship between the number of parasitic copepods (Pectenophilus ornatus) and the dry weight condition index of the infected Japanese scallop (Patinopecten yessoensis) cultured in the Tsugaru Strait of northern Japan. The parasite is considered a serious pest of the commercial bivalve in cases of heavy infection.
    Patinopecten yessoensis
    Condition index
    Citations (16)
    A study was made on the hybridization using Farreris scallop(Chlamys farreri)♀×Japanese scallop(Patinopecten yessoensis)♂ and Zhikong scallop(Chlamys farreri)♂× Japanese scallop (Patinopecten yessoensis)♀.The results indicated that hybridation between the two species of scallop is feasible.During the larva stage,F1 hybrids exhibited growth advantage to some extent;no significant difference was found in larva survival rate between the groups,however,the metamorphism rate of F1 hybrids was significantly lower than that of the inbred groups.Nursery rearing was studied with the hybrid group of Zhikong scallop(Chlamys farreri)♀× Japanese scallop(Patinopecten yessoensis)♂,and good economic benefits were gained.
    Patinopecten yessoensis
    Citations (5)