CORD-19:a6d3a75a05c35723193e5240b3ebd2a01a77f4d2 / 11297-11730 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T84","span":{"begin":0,"end":433},"obj":"Sentence"},{"id":"TextSentencer_T84","span":{"begin":0,"end":433},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In all herds in this study, it was suspected that the virus entered the farms through the subclinically infected replacement animals Although the pre-weaning mortality rate in farm B was lower than that in farm A and C, the pre-weaning mortality was higher in this farm than the mortality rate seen in similar production systems due to other enteric causes such us I suis [19, 23] , C. perfringes type A [24] , or C. difficile [25] ."}