Bacterial contamination of eggs and behaviour of poultry flocks in the free range environment

Highlights • Significant effect of hen age on total bacterial levels on the egg shell surface. • Hen age had a significant effect on the level of total bacteria in egg shell pores. • Escherichia coli were the most frequently isolated Enterobacteriaceae species. • Significant effect of hen age on fea...

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Veröffentlicht in:	Comparative immunology, microbiology and infectious diseases microbiology and infectious diseases, 2016-12, Vol.49, p.88-94
Hauptverfasser:	Moyle, Talia, Drake, Kelly, Gole, Vaibhav, Chousalkar, Kapil, Hazel, Susan
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Allergy and Immunology Animal Husbandry Animals Australia Bacteria Behavior, Animal Behaviour Campylobacter Campylobacter - isolation & purification Chickens - microbiology Chickens - physiology Contamination Egg Shell - microbiology Eggs Eggs - microbiology Escherichia coli - isolation & purification Farms Feathers Female Food contamination Food Contamination - prevention & control Food Safety Free range poultry Infectious Disease Poultry Poultry Diseases - microbiology Salmonella Salmonella - isolation & purification Welfare
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Beschreibung
Zusammenfassung:	Highlights • Significant effect of hen age on total bacterial levels on the egg shell surface. • Hen age had a significant effect on the level of total bacteria in egg shell pores. • Escherichia coli were the most frequently isolated Enterobacteriaceae species. • Significant effect of hen age on feather condition score. • Significant effect of hen age on submissive/crouching behaviour.
ISSN:	0147-9571 1878-1667
DOI:	10.1016/j.cimid.2016.10.005