Phosphofructokinase deficiency (PFKD) is a hereditary disease which can be tested with a DNA test. Muscle type of phosphofructokinase deficiency is hereditary disease of glycogen metabolism. It is caused by a nonsense mutation that terminates the synthesis of a fully functional protein, making it less stable. The protein lacks functional domain responsible for its activity. The affected dogs usually show the following clinical signs that are associated with inability of metabolizing glycogen: weakness, lethargy, exercise intolerance, poor performance, muscle cramps, anaemia, jaundice and dark-coloured urine. .

Inheritance: autosomal recessive - read more

Mutation: M-PFK gene

Genetic test: The method used for genetic testing is extremely accurate and allows complete differentiation between affected animals, carriers and healthy dogs. DNA testing can be done at any age.

Disease control: read more

DNA test sample: EDTA whole blood (1.0 ml) or buccal swabs. Detailed information about sampling can be found here.