Competitive exclusion in the young bird: challenge models, administration and reciprocal protection

The competitive exclusion (CE) concept has been tested against both non-invasive and invasive salmonella serotypes. Studies with different challenge models indicate that CE treatment is likely to protect the young bird against all serotypes that are capable of intestinal colonization. Spray or ‘drop...

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Veröffentlicht in:International journal of food microbiology 1992-03, Vol.15 (3), p.241-244
Hauptverfasser: Schneitz, C., Nuotio, L., Mead, G., Nurmi, E.
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container_end_page 244
container_issue 3
container_start_page 241
container_title International journal of food microbiology
container_volume 15
creator Schneitz, C.
Nuotio, L.
Mead, G.
Nurmi, E.
description The competitive exclusion (CE) concept has been tested against both non-invasive and invasive salmonella serotypes. Studies with different challenge models indicate that CE treatment is likely to protect the young bird against all serotypes that are capable of intestinal colonization. Spray or ‘droplet’ application of the CE-treatment material was compared with administration in the first drinking water. Both methods gave a similar degree of protection against Salmonella infantis. A study was made to compare protection of newly hatched chicks and turkey poults by the one commercial CE product Broilact ®, and two similar preparations involving intestinal microorganisms from an adult turkey. Each preparation protected both avian species when administered orally prior to challenge, but the degree of protection obtained varied with the type of preparation and its host origin.
doi_str_mv 10.1016/0168-1605(92)90055-8
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source MEDLINE; ScienceDirect Journals (5 years ago - present)
subjects AGUA POTABLE
Animals
Antibiosis
Bacterial Physiological Phenomena
Biological and medical sciences
Challenge models
CHICKENS
Chickens - microbiology
Competitive exclusion
CONTROL DE ENFERMEDADES
CONTROLE DE MALADIES
DISEASE CONTROL
DRINKING WATER
EAU POTABLE
Finland
Food industries
Food microbiology
Fundamental and applied biological sciences. Psychology
Intestines - microbiology
Methods of administration
MODELE
MODELOS
POLLO
POULET
Reciprocal protection
SALMONELLA
Salmonella - growth & development
SEROTIPOS
SEROTYPE
SEROTYPES
Species Specificity
Turkeys - microbiology
title Competitive exclusion in the young bird: challenge models, administration and reciprocal protection
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