Skip to main content

Table 4 Results of virus isolation from tissue samples of vaccinated pigs in MARC-145 cultures.

From: Safety of Porcine Reproductive and Respiratory Syndrome Modified Live Virus (MLV) vaccine strains in a young pig infection model

Organ Group A Group B Group C Group D
Days post-vaccination Days post-vaccination Days post-vaccination Days post-vaccination
7 14 21 Totalb 7 14 21 Totalb 7 14 21 Totalb 7 14 21 Totalb
Lung 0/5a 3/5 5/5 53.3 3/5 4/5 3/5 66.7 0/5 1/5 2/5 20 1/5 2/5 2/5 33.3
Tonsil 5/5 4/5 5/5 93.3 4/5 4/5 5/5 86.7 4/5 4/5 5/5 86.7 2/5 4/5 3/5 60.0
Ileum 3/5 1/5 2/5 40 4/5 2/5 3/5 60.0 2/5 1/5 2/5 33.3 2/5 2/5 1/5 33.3
Thymus 1/5 0/5 3/5 26.7 2/5 3/5 3/5 53.3 1/5 0/5 2/5 20 2/5 2/5 1/5 33.3
Spleen 0/5 0/5 1/5 6.7 2/5 3/5 4/5 60.0 0/5 1/5 0/5 6.7 0/5 2/5 0/5 13.3
Mes. L.N. 3/5 0/5 0/5 20 2/5 3/5 4/5 60.0 2/5 2/5 2/5 40 1/5 1/5 0/5 13.3
Med. L.N. 4/5 1/5 2/5 46.7 5/5 2/5 4/5 73.3 4/5 3/5 3/5 66.7 2/5 3/5 0/5 33.3
L.S.L.N. 2/5 1/5 3/5 40 3/5 4/5 5/5 80 2/5 4/5 3/5 60 2/5 2/5 2/5 40.0
R.S.L.N 2/5 1/5 3/5 40 5/5 4/5 5/5 93.3 1/5 4/5 4/5 60 2/5 3/5 2/5 46.7
L.S.I.L.N. 2/5 1/5 2/5 33.3 1/5 2/5 4/5 46.7 0/5 1/5 1/5 13.3 1/5 3/5 1/5 33.3
R.S.I.L.N. 3/5 2/5 3/5 53.3 1/5 3/5 3/5 46.7 0/5 2/5 3/5 33.3 1/5 3/5 1/5 33.3
Est.L.N. 1/5 2/5 4/5 46.7 1/5 2/5 4/5 46.7 0/5 1/5 1/5 13.3 2/5 3/5 0/5 33.3
Totalb 43.3 26.7 55.0 41.7 55.0 60.0 64.4 64.4 26.7 40.0 46.7 37.8 30.0 50.0 21.7 33.9
  1. a Number of positive samples/total number of samples; b Percentage; Mes.L.N: Mesenteric Lymph Node; Med.L.M.: Mediastinic Lymph Node; L.S.L.N.: Left Submandibular Lymph Node; R.S.LN: Right Submandibular Lymph Node; L.S.I.L.N.: Left Superficial Inguinal Lymph Node; R.S.I.L.N.: Right Superficial Inguinal Lymph Node; Est.L.N.: Esternal Lymph Node.