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Table 5 Experimental infections with ORT/chicken/Shandong/2011 and H9N2/chicken/Shandong/2011

From: Co-infection of broilers with Ornithobacterium rhinotracheale and H9N2 avian influenza virus

Groups No. No. survival Survival rate (%) ORT recovery H9N2 recovery
1 10 3 30.0 3 3
2 10 2 20.0 2 2
3 10 7 70.0 7 7
4 10 5 50.0 5 5
5 10 9 90.0 9 9
6 10 10 100.0 0 0
  1. Indications:
  2. Group 1 chickens were inoculated intraperitoneally with 10 LD50 of ORT/chicken/Shandong/2011 in 0.5 ml, and 100 ELD50 of H9N2/chicken/Shandong/2011 was administrated intranasallyin 0.2 ml at the same time.
  3. Group 2 chickens were given 10 LD50 of ORT/chicken/Shandong/2011intraperitoneally in 0.5 ml and received 100 ELD50 of H9N2/chicken/Shandong/2011intranasallyin 0.2 ml three days later.
  4. Group 3 birds were inoculated intranasally with 100 ELD50 of H9N2/chicken/Shandong/2011in 0.2 ml and three days later received intraperitoneally with 10 LD50 of ORT/chicken/Shandong/2011in 0.5 ml.
  5. Group 4 birds were inoculated intraperitoneally with 10 LD50 of ORT/chicken/Shandong/2011in 0.5 ml.
  6. Group 5 chickens were given 100 ELD50 of H9N2/chicken/Shandong/2011intranasally in 0.2 ml.
  7. Group 6 birds received the sterile physiological saline intraperitoneally as a negative controlin 0.5 ml.
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