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Il focolaio della malattia di Newcastle sarebbe rimasto circoscritto all'azienda di Pazzallo. Questo, in sintesi, è quanto emerge dalle analisi del laboratorio dell'istituto di batteriologia dell'università di Zurigo, diramate giovedì dalle autorità cantonali ticinesi.
I lavori di pulizia e disinfezione a Pazzallo
Il focolaio della malattia era stato scoperto lo scorso 17 novembre, in un'azienda di galline ovaiole di Pazzallo. Erano state istituite delle zone di protezione e di sorveglianza, per evitare il diffondersi del virus. Inoltre, all'interno di queste zone erano state controllate 13 tenute.
In queste aziende sono state effettuate visite cliniche agli animali e prelievi di sangue su un gruppo rappresentativo. Quasi cento i campioni raccolti, e ora sono giunti i risultati degli esami. Le zone di protezione, in caso di ulteriore evoluzione favorevole della situazione, potrebbero venire revocate nella terza settimana di dicembre.
DD/joe.p.
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CSI delle 18.00 del 7 dicembre 2017; il servizio di Darco De Grussa
RSI Info 07.12.2017, 22:48
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