Cryptosporidium parvum, an intestinal coccidian parasite, was isolated from
faeces and intestinal biopsies of a 9-week-old puppy with acute parvoviral
gastroenteritis. Gene sequence analysis identified a Cryptosporidium genot
ype not previously recorded in Australia. The puppy-recovered after treatme
nt with crystalloid fluids, synthetic and natural colloids and jejunostomy
tube feeding.