HEREDITARY CHONDRODYSPLASIA (SPIDER SYNDROME) IN A NEW-ZEALAND SUFFOLK LAMB OF AMERICAN ORIGIN

The first case of hereditary chondrodysplasia (''spider syndrome'') in a New Zealand Suffolk lamb of American origin is described. An import ed Suffolk ram of American origin was test mated to 27 of his daughter s. In one of the resulting progeny, found dead at birth, a diagnosis o f hereditary chondrodysplasia was made based on the typical radiograph ical abnormalities of multiple centres of ossification in the anconeal process of the ulna, vertebrae, sternebrae and pelvic bones. These ch anges were confirmed histopathologically.