Table 5 Salmonella persistence in the farming environment of complete metamorphosis insects.
From: A systematic review of experimental studies on Salmonella persistence in insects
Insect order | Insect genus | Insect species | Insect life cycle stage | Salmonella serotype | Load per contaminated subject | Duration of exposure (days) | Declaration of surface disinfection of the insect | Persistence in the farming environment (days) | Author |
|---|---|---|---|---|---|---|---|---|---|
Coleoptera | Alphitobius | diaperinus | L, A | Typhimurium | 8.5 log CFU/g of feed | 16 | Yes | >16 (insect) | |
L, A | Enteritidis | 9 log CFU/g of feed | 7 | Yes | >7 (insect) | ||||
Tenebrio | molitor | L | Typhimurium DT12 | 0.5 log CFU/g | 14 | Yes | <1 (insect); 2 (substrate) | ||
L | 1.4 log CFU/g | 14 | Yes | 9 (insect) | |||||
L | 2.2 log CFU/g | 14 | Yes | <1 (insect) | |||||
L | 3.8 log CFU/g | 14 | Yes | 12 (insect) | |||||
L | 4.1 log CFU/g | 14 | Yes | 9 (insect) | |||||
L | 5.3 log CFU/g | 14 | Yes | >14 (insect) | |||||
L | 0.8 log CFU/g | 14 | No | <1 (insect); 1 (substrate) | |||||
1.5–5.2 log CFU/g | 14 | No | >14 (insect and substrate) | ||||||
L | Enteritidis; Typhimurium; Infantis | 2 log CFU/g | 7 | Yes and no (both techniques) | 1 (insect); >7 (substrate) | ||||
L | 4 log CFU/g | 7 | Yes and no (both techniques) | >7 (insect and substrate) | |||||
L | 4 log CFU/g | 7 | Yes | 3 (insect); >7 (substrate) | |||||
L | 7 log CFU/g | 7 | Yes | >7 (insect and substrate) | |||||
Diptera | Calliphora | vicina | L, P, A | Typhimurium | NR | 19 | Yes | >19 (insect and substrate) | |
Hermetia | illucens | L | Typhimurium; Infantis | 3–7 log CFU/g of feed | 6 | Yes | >6 (insect and substrate) | ||
L | Enteritidis | 6.92 log CFU/g substrate | 6 | No | >6 (insect) | ||||
Musca | domestica | P, A | Enteritidis | 1–4 log CFU/insect | 15 | No | >15 (insect) | ||
A | Enteritidis | 9 log CFU/g substrate | 8 | Yes | <7 (insect); 3 (substrate) |
