author(s)
Dr. Parmeshwar Suryakant Parihar

abstract
In India Cryptosporidium parvum is most important parasite which transferred from animal to human or human to animal. This protozoan parasite infects gastrointestinal tract of human and animal. Cryptosporidium parvum mostly affect on young calves and particularly neonatal calves. 0 to 3 month calves might be suffering from watery diarrhoea. In severe cases, due to loose motion loss of more water as result death of calf may occur. Till now there is no effective treatment. Cryptosporidium is zoonotic parasite, causing disease in young children. There is more economic losses of farmer due to supportive treatment and death of calf. To minimize this infection sanitation and cleaning of farm must be maintained.