Results 41 to 50 of about 5,160 (177)
Feeding the pearl oysterPinctada margaritiferaduring reproductive conditioning [PDF]
Aquaculture Research, 2011 This study aimed to model the food intake of P. margaritifera in order to examine the relationship between food level and reproductive activity. The effect of microalgae concentration on ingestion rate and assimilation efficiency was studied over a broad concentration range, using a mixture of Isochrysis galbana and Chaetoceros gracilis.
Le Moullac, Gilles +7 more
openaire +3 more sources
Investigating Dissolved Glucose as an Alternative Nutrient Source for Bivalve Larvae. [PDF]
Aquac NutrThe production of live microalgae represents a major cost in the operation of bivalve hatcheries, as it is the primary food used for larval rearing. This study investigated whether dissolved glucose could reduce the reliance on live microalgae as a sole feed input without negatively affecting bivalve larval performance during the rearing of Greenshell™
Jordan A, Thompson K, Jeffs A.
europepmc +2 more sources
Microplastics Affect Energy Balance and Gametogenesis in the Pearl Oyster Pinctada margaritifera [PDF]
Environmental Science & Technology, 2018 Plastic pollution in the environment is increasing at global scale. Microplastics (MP) are derived from degradation of larger plastic items or directly produced in microparticles form (< 5 mm). Plastics, widely used in structures and equipment of pearl farming, are a source of pollution to the detriment of the lagoon ecosystem.
Tony Gardon +4 more
openaire +3 more sources
Structural, mineralogical, and biochemical diversity in the lower part of the pearl layer of cultivated seawater pearls from Polynesia [PDF]
, 2008 A series of Polynesian pearls has been investigated with particular attention to the structural and compositional patterns of the early developmental stages of the pearl layer.
Perez-Huerta, A. +16 more
core +1 more source
Scientia Marina, 2018 At Makemo Atoll (French Polynesia), the carapid fish Onuxodon fowleri lives in symbiosis with the black-lip pearl oyster Pinctada margaritifera. Although the symbiont seems to live inside its host bivalve by using it as a shelter, additional data are ...
Orphal Colleye +4 more
doaj +1 more source
Communicationes Archaeologicae Hungariae, 2006 A fragment of a large decorated bi-valve shell was found in the so-called “Diana-sanctuary” (building nr. XXVI) during the excavation carried out by late E. Márity in 1993. The valve is decorated with running animals.
Orsolya
doaj +1 more source
Iridescent Color of a Shell of the Mollusk Pinctada Margaritifera Caused by Diffraction
Optics Express, 1999 Shells and pearls often show iridescent color. The cause of this phenomenon has been attributed to diffraction, both diffraction and interference, or interference alone. We used a shell of the mollusk Pinctada margaritifera, which shows very strong iridescent colors, to study how this color is produced in the layers of nacre in shells.
Y, Liu, J, Shigley, K, Hurwit
openaire +2 more sources
DNA fingerprinting of pearls to determine their origins. [PDF]
PLoS ONE, 2013 We report the first successful extraction of oyster DNA from a pearl and use it to identify the source oyster species for the three major pearl-producing oyster species Pinctada margaritifera, P. maxima and P. radiata. Both mitochondrial and nuclear gene
Joana B Meyer +5 more
doaj +1 more source
Asian Fisheries Science, 2007 This paper reports on two experiments to assess the nutritional value of cultured microalgae for larvae of the blacklip pearl oyster, Pinctada margaritifera. In the first experiment, two binary diets were assessed and Isochrysis sp.
I. TEAIORO +3 more
doaj +1 more source
Different food particle sources in the pearl oyster Pinctada margaritifera and its epibionts
Aquaculture Reports, 2021 Suspended bivalve culture (e.g. longlines) transfers benthic biomass - including bivalves and various epibionts - toward the water column, creating strong trophic interactions with the planktonic compartment.
Élise Lacoste +2 more
doaj +1 more source