Parasites from the green mussel (Perna viridis Linnaeus 1758) (Mollusca: Mytilidae) of Ivisan, Capiz, Philippines
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This study reports the parasites found in green mussel (Perna viridis L.) from Ivisan, Capiz, Philippines. Samples were collected monthly from January to December 2009. A total of 360 samples were collected, fixed in 10% formalin in seawater solution, and processed by standard histological techniques that included staining the sections with hematoxylin and eosin (H & E). The water temperature ranged from 24 to 30°C and salinity from 18 to 23 ppt. Microscopic analysis showed that the most prevalent parasites were Nematopsis sp. occurring mostly in connective tissues (46%), metacestodes of Tylocephalum sp. in the mantle (12%), and a turbellarian (4%) and metacercariae in the mantle (4%). Based on these findings, these parasites may not yet be a problem to mussel farming as they were low and caused no apparent damage to the host.
CitationErazo-Pagador, G. (2018). Parasites from the green mussel (Perna viridis Linnaeus 1758) (Mollusca: Mytilidae) of Ivisan, Capiz, Philippines.
PublisherCollege of Agriculture and Food Science, University of the Philippines Los Baños
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A comparison of macronutrient levels in green mussel (Perna viridis) and brown mussel (Modiolus metcalfei Hanley) T Rochanaburanon -
Journal of the Science Society of Thailand, 1980 - The Science Society of ThailandTwo species of mussel from Panay Island, Philippines, have been analyzed for moisture, crude protein, crude fat, ash, carbohydrated, crude fibre and minerals (calcium and phosphrus). Results showed that the brown mussel (Modiolus metcalfei), both the marketable size and the small ones, have higher protein content (71.49 and 67.10% dry weight) than the marketable-size green mussel (Perna viridis ), 63.94%. The green mussel contained more fat but less ash, crude fibre and minerals than the brown mussel.
Polyculture of green mussels, brown mussels and oysters with shrimp control luminous bacterial disease in a simulated culture system EA Tendencia -
Aquaculture, 2007 - ElsevierShrimp mortality due to luminous bacteria has been a problem of the shrimp industry worldwide. Polyculture of shrimp with finfish, such as grouper, seabass, snapper, siganid, Tilapia hornorum, and the Genetically Improved Farmed Tilapia (GIFT), could control the growth of luminous bacteria. One way to reduce adverse environmental impact and to reduce bacterial count is through the use of bivalves to filter pond effluents. This study investigated the effect of several bivalves on the growth of luminous bacteria in a simulated shrimp culture environment using concrete tanks. Tanks were stocked with shrimp at a biomass of 100 g/m3 and with brown mussel (158 pcs/m3), green mussel (137 pcs/m3), or oyster (376 pcs/m3). Growth of luminous bacteria decreased to below 101 cfu/ml in tanks with green mussel after 5 d, brown mussel after 16 d, and oyster after 17 d. Bivalves, such as green and brown mussels, and oyster, could be used as an alternative species for polyculture with shrimp to control disease due to luminous bacteria.
Characterisation of Vibrio isolates recovered from the eyes of cage-cultured pompano (Trachinotus blochii) infested with caligid parasites (Lepeophtheirus spinifer) R Pakingking Jr., NB Bautista, D Catedral & EG de Jesus-Ayson -
European Association of Fish Pathologists Bulletin, 2018 - European Association of Fish PathologistsExophthalmia was documented among sea cage-cultured pompano (Trachinotus blochii) broodstocks with caligid parasite (Lepeophtheirus spinifer) infestation in the Philippines. Following sequencing, and based on the results of both diagnostic investigations and infection experiments, V. harveyi likely had a role in the reported exophthalmia cases, and this was initiated by L. spinifer infection.