Highly pathogenic avian influenza H5N8 in Poland in 2019–2020

Type of poultry holding tested	Laying hens	Broiler chickens	Fattening turkeys	Fattening geese	Breeding geese	Fattening ducks	Breeding ducks	Guinea fowl
Flocks suspected of being infected and TTE (passive surveillance) organs from at least 5 birds (dead or sick) as well as oropharyngeal and cloacal swabs from at least 20 birds per flock (dead or sick)	24	25	34	3	2	58	4	3

Contact (sick organs from at least 5 birds (dead or sick) as well as oropharyngeal and cloacal swabs from at least 20 birds per flock (dead or sick) or holdings healthy birds oropharyngeal swabs from 60 randomly selected birds per flock )	1	0	8	0	0	4	0	0

Flocks assumed free of slaughterhouses HPAI before shipment or within to restriction zones oropharyngeal swabs from 60 randomly selected birds per flock	1	146	18	0	0	40	0	1

Flocks of HPAI assumed after re-free population organs from dead poultry or swabs taken from their carcasses from up to 10 birds per week during the 21-day period	3	5	27	5	1	9	6	0

TOTAL	29	176	87	8	3	111	10	4

Production type	Province	Number of outbreaks	Total
fattening turkeys	Lubelskie Zachodniopomorskie Wielkopolskie Warmińsko-Mazurskie Lubuskie	5 1 2 2 2	12

fattening ducks	Wielkopolskie Opolskie Łódzkie Śląskie	3 1 5 1	10

breeding ducks	Wielkopolskie Łódzkie	1 1	2

breeding geese	Wielkopolskie Śląskie	1 1	2

laying hens	Wielkopolskie	1	1

guinea fowl	Lubelskie	1	1

backyard holdings (mostly chickens)	Lubelskie Dolnośląskie Wielkopolskie Śląskie	2 2 2 1	7

Total			35

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Argomenti della rivista:: Scienze biologiche, Biologia molecolare, Microbiologia e virologia, Scienze della vita, altro, Medicina, Medicina veterinaria