General Appearance

Mild: No more than 10% of body

Moderate: Covering not more than 20% of body

Severe: Covering more than 20% of body, open

Appearance, Masses Swellings

Mild: 1 mass under the skin / fins which is not affecting natural behaviour

Moderate: Multiple masses under the skin / fins which is not affecting natural behaviour

Severe: Multiple masses under the skin / fins and natural behaviour affected

Raised Scales

Mild: *Protruding from body (raised)

Moderate: Protruding from body (raised), enlarged abdomen

Severe: Protruding from body (raised), red enlarged abdomen

Body Weight

Mild: Reduced body weight / thin compared to controls

Moderate: Body weight loss / thin, sunken abdomen compared to controls

Severe: Body weight loss /thin, sunken abdomen, and muscle loss - emaciation

Oedemas

Mild: Oedema - low level and highly localised fluid accumulation in tissue

Moderate: Oedema - increased fluid accumulation in one or many tissues

Severe: Oedema - high fluid accumulation in one or multiple tissues

Excess Mucus

Mild: Increased mucus layer, no more than 10% of the body, normal behaviour

Moderate: Increased mucus, more than 20% of the body, normal behaviour

Severe: Increased mucus, more than 20% of the body, abnormal behaviour

Reduced Mucus

Mild: Decreased mucus layer causing dry area, no more than 10% of the body, normal behaviour

Moderate: Decreased Mucus, more than 20% of the body, normal behaviour

Severe: Decreased mucus of the body of more than 20%, abnormal behaviour

Nodules

Mild: 1 under the skin / fins which is not affecting natural behaviour

Moderate: Multiple under the skin / fins which is not affecting natural behaviour

Severe: Multiple under the skin / fins and natural behaviour affected

Spine Curvature

Mild: Curvature of the spine not affecting natural behaviour or development

Moderate: Curvature of the spine affecting development

Severe: Curvature of the spine, unable to perform natural behaviours or abnormal development

Gas Bubbles

Mild: Bubbles formed under skin in only one area of the body

Moderate: Bubbles formed under skin in more than one body areas

Severe: Bubbles formed under skin to more than one area of the body, abnormal behaviour

Loss of Coloration

Mild: Loss of body / fin colouration no more than 20% of body or fins

Moderate: Loss of body / fin colour not expected for strain, more than 20% of the body or fins

Severe: Loss of body / fin colour not expected for strain, more than 20% of body or fins. Additional signs of stress present such as increased operculum movement

Increased Coloration

Mild: Increase of body / fin coloration not expected for strain, less than 20% of body or fins

Moderate: Increase of body / fin color not expected for strain, more than 20% of body or fins

Severe: Increase of body / fin color not expected for strain, more than 20% of body or fins. Additional signs of stress present such as increased operculum movement.

Browser not supported