First report on Cryptosporidium parvum, Escherichia coli K99, rotavirus and coronavirus in neonatal lambs from north-center region, Algeria

•The etiology of neonatal diarrhea is multifactorial and remains one of the biggest problems in ruminant livestock farming. This study represent the first report in Algeria on Cryptosporidium parvum, Escherichia coli K99, rotavirus and coronavirus in the etiology of neonatal diarrhea in lambs.•Faecal samples from 559 neonatal lambs aged less than 30 days from 30 sheepfolds were screened with pathogen-specific antigen ELISA for C. parvum, E. coli K99, rotavirus, and coronavirus.•The prevalence of C. parvum was the highest compared to other enteric pathogens.•In various combinations, mixed infections were detected only with C. parvum.