Publications by authors named "I Esteva de Antonio"

The increasing presence of overseas Filipino workers (OFWs) in Taiwan, particularly in the electronics and technology (E&T) industry, has raised concerns about their health and health-seeking behaviours. Our study draws on a theoretical framework combining Brandenberger et al.'s 3C model, which considers challenges in communication, continuity of care, and confidence regarding healthcare delivery for migrant workers, with Scott's sociology of nothing.

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The mangrove oyster Crassostrea rhizophorae is identified as a potentially valuable species for tropical aquaculture, however, information on the physiological mechanisms of reproduction under laboratory conditions for this species is limited. This study investigated the effects of salinity at different concentrations (15, 20, 25, 30, 35, and 40 g/L) on the induction of germinal vesicle breakdown (GVBD) of oocytes obtained through stripping, the release of polar bodies (PB1 and PB2), and the larval development of the mangrove oyster. The results revealed a relationship between salinity and the percentage of GVBD, with the most effective range being 30-40 g/L within the hydration time frame between 70 and 120 min.

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Estuaries are important ecosystems due to the ecological services they provide, acting as nurseries for many species of fish and invertebrates, and are also used as environments for the extraction and cultivation of mollusks. Oysters are animals that filter water to obtain oxygen and nutrients. In this process, they can bioaccumulate microorganisms and chemical substances in their tissues.

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Article Synopsis
  • Understanding how salinity affects bivalve reproduction is key for improving hatchery production strategies.
  • The study tested various salinity levels (15-40 g⋅L) on clam oocyte development, finding optimal salinities of 30-35 g⋅L for achieving high germinal vesicle breakdown (GVBD) rates.
  • Additionally, post-fertilization results showed that a salinity of 35 g⋅L led to the quickest release of polar bodies, suggesting that this specific salinity is ideal for triploid chromosome manipulation techniques.
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