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Table 1 Infection models used in published studies of the genetic control of resistance to Salmonella in fowl

From: Genetic control of resistance to salmonellosis and to Salmonella carrier-state in fowl: a review

Locus type1

Infection route

Age2

Time3

(pi)

Trait4

Cross type

Parental lines5

Ref6

MSAT

subcuta-neaous

10 d

10 d

ABR to SE vaccine

F2+BC

(low × high) ABR divergent inbred lines

[15]

MSAT

CG

subcuta-neaous

10 d

21 d

ABR to SE vaccine

F1

Broiler outbred male × 3 inbred lines (2 MHC-congenic WL + Fay)

[12]

[64]

QTL

oral

1 w

4/5 w

CSWB counts/caecal load

F2

(N × 61) × (N × 61) layer inbred lines

[14]

QTL

oral

6 w

2 w

CSWB counts/caecal load

BC

(N × 61) × 61 layer inbred lines

[14]

QTL

oral

2 w

5 d

splenic load

BC

(61 × 15I) × 61 layer inbred lines

[13]

CG

subcuta-neaous

10 d

11 d

ABR to SE vaccine

F2

(Fay × WL) × (Fay × WL)

[66]

CG

intra-oesophageal

10 d

21 d

ABR to SE vaccine

F1

Broiler outbred male × 3 inbred lines (2 MHC-congenic WL + Fay)

[61–63]

CG

intra-oesophageal

1 d

7/8 d

spleen and caecal loads

F8

AIL (Broiler × Fay) × AIL (Broiler × inbred WL)

[59]

CG

intravenous

13 w

3 d

spleen and liver loads

F1

Egg-type commercial crosses

[7]

CG

oral

peak of lay

4 w

spleen load; number of contaminated organs

F1

Egg-type commercial crosses

[9]

CG

intra-muscular

1 d

death or 2 w

survival rate

BC

(WlxC) × C

[10]

CG

intra-muscular

1 d

death or 2 w

survival rate

F0

Inbred WL lines

[54]

CG

intra-oesophageal

1 d

6/7 d

caecal and spleen loads

F1

Broiler outbred male × 3 inbred lines (2 MHC-congenic WL + Fay)

[55, 61–63, 78]

CG

intra-oesophageal

1 d

6 d

caecal and spleen loads

F8

(Broiler × Fay) × AIL (Broiler × inbred WL)

[60]

CG

oral

3 w

7 d

caecal load

F0

5 groups of meat type chicken

[11]

  1. 1 CG: candidate gene, MSAT: microsatellite
  2. 2 Animal age at infection or injection; d: day; w: week
  3. 3 Assessment time post inoculation (pi)
  4. 4ABR: antibody response; CSW: cloacal swab; SE: Salmonella Enteritidis
  5. 5 AIL: advanced intercross lines; Fay: Fayoumi; WL: White Leghorn
  6. 6 Reference