期刊
ARCHIVOS DE MEDICINA VETERINARIA
卷 42, 期 2, 页码 63-70出版社
UNIV AUSTRAL CHILE, FAC CIENCIAS VETERINARIAS
DOI: 10.4067/S0301-732X2010000200007
关键词
self-fertilization; growth survival; Argopecten purpuratus
The Northern scallop. Argopecten purpuratus, is a hermaphrodite species which has a great economical importance in Chile and Peril Hatchery techniques for Juvenile production have been developed for this species. at the study of the potential effect of sell-fertilization in the aquaculture of the Northern scallop The present study produced several families of A purpuratus in a hatchery using a factorial design. which allowed the statistical analyses of growth and survival of each family, with variable initial self-fertilization percentage On the other hand. PCR-based molecular markets (RAPD) were developed which allowed the identification of self-fertilized individuals within each family The percentage of self-fertilization was estimated initially and at 6. 9 and 12 months of age. observing a significant reduction of it in each of the experimental families The results obtained allowed us to conclude that even if the sell-fertilization has a negative effect on the development of the Northern scallop. this is only at individual level affecting the growth and survival of the individuals which have been produced under that condition However, those families produced by crossfertilization. which have variable self-fertilization percentages among them. are not significantly affected on their growth and survival, because the self-fertilization percentage is reduced gradually with the age of the individuals
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