Cod diagnostic manual

Table of contents

Introduction

Diagnostic procedures

Fish radiography

Whole mount staining with alizarin red

When to examine

Normal

Malformation of the spine in cod

I. Fusion and fusion associated pathology

Complete fusion with shape restoration

Multiple vertebrae fusion

Special case: fused vertebrae in tail region

II. Platyspondylia

III. Vertebral shape irregularities

IV. Axis deviations

Deviation of vertebral axis in neck region

Lordosis

Kyphosis

Scoliosis

V. Malformations of skull and jaws

Palatine bone curvature

Pughead

Deformed lawer jaw

FineFish project protocols and recommendations

Protocol for sampling of larvae (day 30-35) and juveniles (up to 5 gr)

Protocol for sampling fish larger than 1 gr for mammography or x-ray