Comprehensive Statistical Atlas of Diseases in Bivalves (Oysters, Clams, Mussels)

Comprehensive Statistical Atlas of Diseases in Bivalves (Oysters, Clams, Mussels)

This scientific reference compiles a thorough classification of infectious diseases, non-communicable disorders, parasitic infections, nutritional and vitamin deficiencies, systemic illnesses, and neoplastic diseases affecting marine bivalves (e.g., Crassostrea gigas, Ostrea edulis, Ruditapes philippinarum, Mytilus edulis). The information is structured by organ system, providing comparison tables for each system based on standard aquatic epidemiology.

Each disease profile includes:

  • English & Latin Name
  • Etiological Agent (viruses [enveloped/non-enveloped, structure], bacteria [Gram +/−, morphology], fungi [structure], parasites [structure])
  • Target Organ/System
  • Lesions or Histopathology
  • Typical Age/Stage at Infection
  • Animal Type (juvenile, adult, male, female, gravid, brooding, etc.)
  • Seasonality
  • Estimated Survival Rate
  • Treatment (active ingredient)
  • Vaccine (name, type, if available)

🧠 Nervous System

DiseaseLatin NameAgentType/StructureOrgans AffectedLesionsAgeHostSeasonSurvivalTreatmentVaccine
Oyster Herpesvirus (OsHV-1)Ostreid herpesvirus 1VirusEnveloped, dsDNA, icosahedralNervous, hemolymphNeurological degeneration, mortalityLarvae–juvenileCrassostrea gigasSpring/Summer<30%No treatmentExperimental DNA vaccine

🫁 Respiratory & Gills

DiseaseLatin NameAgentStructureOrgansLesionsAgeSpeciesSeasonSurvivalTreatmentVaccine
Gill Erosion SyndromeVarious Gram− bacteriaBacteriaRod-shaped, Gram−GillsErosion, necrosisAdultMytilus edulisSummerMediumChloramphenicol (restricted)No
LabyrinthulosisLabyrinthula zosteraeProtist/Fungus-likeSpindle-shaped cellsGills, mantleDarkened lesionsAllRuditapes spp.AllLowNoneNone

💗 Circulatory & Hemolymphatic System

DiseaseLatinAgentTypeOrgansLesionsAgeSpeciesSeasonSurvivalTreatmentVaccine
Hemocyte Proliferative SyndromeUnknown virusVirusEnveloped RNA (suspected)Hemolymph, gonadsHemocytosisJuvenile–adultOstrea edulisVariableVariableNoneNo

🧬 Digestive & Hepatopancreas

DiseaseLatinAgentStructureOrgansLesionsAgeSpeciesSeasonSurvivalTreatmentVaccine
Brown Ring DiseaseVibrio tapetisBacteriaGram−, rodMantle, digestive glandBrown ring deposits, shell deformationAdultRuditapes philippinarumAutumnMediumOxytetracyclineNo
Digestive Epithelial AtrophyNutritionalNon-infectiousN/ADigestive tractVillous shrinkageAllAll speciesYear-roundHighBalanced dietNo

🦴 Shell & Musculoskeletal System

DiseaseLatinAgentTypeOrgansLesionsAgeHostSeasonSurvivalTreatmentVaccine
Shell DiseaseVibrio aestuarianusBacteriaGram−, curved rodShellErosion, blisteringAdultC. gigasSummerMediumIodine bathNo
Periostracum AbnormalityNutrient imbalanceNon-infectiousN/AShellMatte shell, weakened integrityJuvenileAllAllGoodMineral supplementationNo

💩 Nutritional & Metabolic Disorders

DiseaseCauseOrgansLesionsAgeSpeciesSeasonSurvivalTreatmentVaccine
Vitamin B DeficiencyMalnutritionWhole bodyGrowth retardationAllAllAllModerateVitamin B complexNone
Energy Starvation SyndromeStarvationDigestive glandAtrophy, organ shrinkageAllC. gigasWinterLowNutritional supportNo

🧬 Systemic Diseases & Neoplasia

DiseaseLatin NameAgentPathogen StructureOrgansLesionsAgeHostSeasonSurvivalTreatmentVaccine
Disseminated NeoplasiaUnknownNeoplasticVariable cell morphologyHemolymph, digestive tractAnaplastic cells, mitosisAdultM. edulisAllPoorNoneNo
Systemic Inflammatory DiseaseMarteilia refringensParasiteSporoblasts, sporontsDigestive glandSwelling, necrosisAdultO. edulisSummerLowNo treatmentNo

📌 Additional Data Services:

  • 📊 Epidemiology spreadsheets (CSV/XLS)
  • 🧬 Histopathology image mapping
  • 🌍 Regional prevalence datasets
  • 🧪 Diagnostic protocols for labs
  • 🧫 Water quality correlation modules

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