Author: Lass, Sandra; Hudson, Peter J.; Thakar, Juilee; Saric, Jasmina; Harvill, Eric; Albert, Réka; Perkins, Sarah E.
Title: Generating super-shedders: co-infection increases bacterial load and egg production of a gastrointestinal helminth Document date: 2013_3_6
ID: 0952gzw1_29
Snippet: Bioluminescent imaging (BLI) has previously been used to study non-infectious disease progression and infectious disease colonization processes [53] , but the application in disease ecology and the investigation of co-infection used here was novel. Using real-time, whole animal, in vivo monitoring of B. bronchiseptica infection allowed us to determine spatial location, real-time infection load, observe high bacterial loads early in the infection .....
Document: Bioluminescent imaging (BLI) has previously been used to study non-infectious disease progression and infectious disease colonization processes [53] , but the application in disease ecology and the investigation of co-infection used here was novel. Using real-time, whole animal, in vivo monitoring of B. bronchiseptica infection allowed us to determine spatial location, real-time infection load, observe high bacterial loads early in the infection (day 2) and to significantly reduce the number of animals used in the experiment, thereby contributing to the 3Rs for animal use in research (reduction, refinement and replacement). It is worth noting that if we were to have applied a 'traditional regime' of sacrificing animals to determine bacterial infection load this same experiment would have required 264 animals, as opposed to the 40 used (an 85% reduction in animal use).
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