All the 8 positive samples came from minks aged from 5 to 6 months,which indicated the young mink was prone to infect Cryptosporidiosis,and that the old mink was not.

• 所查的8份隐孢子虫阳性样品均来自5~6月龄的水貂,表明幼龄水貂容易感染隐孢子虫病而老龄水貂不易感染。