TABLE 1.
Basic conditions of pigs that were sampled
Piga | Diet | Sample analyzedh
|
||
---|---|---|---|---|
Ileum | Cecum | Colon | ||
SPF-Ab | Standardf | √ | √ | √ |
SPF-Bb | Standard | √ | √ | |
SPF-Cb | Standard | √ | √ | |
Organicc | Standard | √ | √ | √ |
s-962d | Standard, no Tylosin | √ | √ | √ |
s-959d | Standard, 60 ppm Tylosin | √ | √ | √ |
A-65 | Standard | √ | ||
A-42 | Standard | √ | ||
G-55 | Standard, 2% lactic acid | √ | ||
G-23 | Standard, 2% lactic acid | √ | √ | √ |
SwA | Standard | √ | √ | √ |
F-9 | Fermented standard feed | √ | √ | √ |
B-18 | CPg | √ | √ | |
E-24 | CP, 12% sugar beet pulp | √ | ||
6C | CP, 10% potato starch | √ | ||
2W-a,be | Sow's milk | √ | √ | √ |
4W-a,be | Sow's milk and dry feed | √i | √ | √ |
6W-a,be | Standard | √ | √ | √ |
28-Fa | Standard, 1.8% formic acid | √ | ||
29-stf | Standard, fine | √ | ||
30-stc | Standard, coarse | √ |
Unless otherwise stated, the pigs originated from experimental studies at the Danish Veterinary Laboratory and were 12 to 16 weeks of age.
SPF-A, SPF-B, and SPF-C were bought from a specific pathogen-free high-health, commercial herd.
Organically reared pig.
Experimentally challenged with Salmonella enterica serovar Typhimurium, with or without Tylosin as a growth promoter.
2W-a,b, 4W-a,b, and 6W-a,b were six animals bought from a commercial herd and were 2, 4, and 6 weeks old, respectively.
Standard feed based on wheat, barley, soybeans, and fish meal, without antibiotic growth promoters.
CP, cooked rice and animal protein.
Marked samples were analyzed.
The ileal sample from pig 4-Wb was not analyzed.