PMC:7115396 / 12772-13639 JSONTXT 8 Projects

Annnotations TAB TSV DIC JSON TextAE

Id Subject Object Predicate Lexical cue
T81 0-34 Sentence denotes 2.6 Titration of rIBVs in embryos
T82 35-278 Sentence denotes Serial 10-fold dilutions from 105 copies to 109 copies per 0.1 mL of virus of the recombinant strain, rH120-S1/YZ, and its parental strains (rH120 and rIBYZ) were inoculated into the allantoic cavity of 10-day-old embryonated SPF chicken eggs.
T83 279-394 Sentence denotes For each dilution, 0.1 mL of the virus solution was injected into each egg and 10 eggs were used for each dilution.
T84 395-430 Sentence denotes PBS was used as a negative control.
T85 431-522 Sentence denotes After a 24 h incubation, the dead embryos were considered nonspecific deaths and discarded.
T86 523-631 Sentence denotes The embryos were examined for the presence of specific lesions caused by the virus after a 144-h incubation.
T87 632-763 Sentence denotes Dead and live embryos that displayed IBV infectious signs (e.g., dwarfing, curling, and stunting) were considered positive samples.
T88 764-867 Sentence denotes The 50% embryo infectious dose (EID50) of these rIBVs was calculated using the Reed-Muench method [37].