Zebrafish Health and Welfare Glossary - Welfare Terms, Abdomen
ABDOMEN
| Parameter | Welfare Indicators | Sub Category | Synonyms | Definitions | Severity Score | Picture |
|---|---|---|---|---|---|---|
| Anus | Bleeding | Presence of considerable blood in stools or from anus | ||||
| Scales / Skin | Lesion | Wound | ||||
| Open - Abrasion | Damage to the skin consisting of loss of the epidermis and portions of the dermis but not the complete thickness of the skin | Mild: *No more than 10% of body Moderate: Covering not more than 20% of body Severe: Covering more than 20% of body, open | ||||
| Open - Incision | A wound created by a sharp object. Edges are smooth and trauma to surrounding tissue is minimal. | Mild: *No more than 10% of body Moderate: Covering not more than 20% of body Severe: Covering more than 20% of body, open | ||||
| Open - Laceration | An irregular wound created by tearing of tissue. Damage to both superficial and underlying tissue is variable. | Mild: *No more than 10% of body Moderate: Covering not more than 20% of body Severe: Covering more than 20% of body, open | ||||
| Open - Puncture | A penetrating wound cause by pointed object | Mild: *No more than 10% of body Moderate: Covering not more than 20% of body Severe: Covering more than 20% of body, open | ||||
| Closed - Contusion | Damage of the skin and/or underlying structures without breaking the skin e.g. Bruising, crush | Mild: *No more than 10% of body Moderate: Covering not more than 20% of body Severe: Covering more than 20% of body | ||||
| Skin | Swelling Under Skin | Masses, Raised Areas, Lumps | Abnormal appearance of masses or all descriptions (hard, soft, different shapes etc.) | Mild: 1 mass under the skin which is not affecting natural behaviour Moderate: Multiple massess under the skin which is not affecting natural behaviour Severe: Multiple masses under the skin and natural behaviour affected |   | |
| General | Oedema | An excessive accumulation of fluid in tissue spaces or a body cavity. | 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 | |||
| General | Distended | Enlarged | Abdomen appears curved outward or swollen | Mild: Abdomen marginally distended Moderate: Abdomen distended and reddening Severe: Abdomen distended, reddened, unable to maintain skilful and effective interaction of movements and maintenance of equilibrium |   | |
| Soft | Fluidy | Abdomen feels soft and fluid to touch | ||||
| Hard | Solid | Abdomen feels hard to touch | ||||
| Anus | Faeces staying on fish | Faeces hanging from anus for an extended period of time | ||||