Skip to main content

Table 1 Information extracted from five studies testing the effect of four products in reducing the concentration of Campylobacter in free-range broilers

From: Systematic review of products with potential application for use in the control of Campylobacter spp. in organic and free-range broilers

Article

[27]

[28]

[29]

[26]

[26]

[25]

Composition (product name)

Ferric tyrosine chelate (TYPLEX® Chelate)

Ferric tyrosine chelate (TYPLEX® Chelate)

Ferric tyrosine chelate (TYPLEX® Chelate)

Saccharomyces cerevisiae fermentate (Original XPC®)

Butyrate coated on microbeads (Adimix® Precision)

Formic acid, acetic acid, propionic acid and sorbic acid (Selko® 4Health)

Type of product

Not classified

Not classified

Not classified

Prebiotic

Short-chain fatty acid

Short-chain fatty acids

Administration

Feed additive

Feed additive

Feed additive

Feed additive

Feed additive

Water additive

Randomization described

Yes

Yes

Yes

Yes

Yes

No

Blinding used

No

No

No

No

No

No

Establishment baseline infection status prior to intervention

No

No

Yes

Yes

Yes

No

Passive infection of broilers via the environment

Yes

Yes

Yes

No

No

Yes

Field study conditions

No

No

No

No

No

Yes

Country of study

United Kingdom

Scotland

Greece

France

France

Germany

Control group (N)

5

10

16

44

44

5

Intervention group (N)

5

10

16

15

15

4–5

Repeats (N)

6

10

6

1

1

3