Malcolm Downey from HSENI said that the average age of those killed was 57.

BBC: Concern over rise in Northern Ireland farm deaths

The inquest also took evidence from members of the Health and Safety Executive of Northern Ireland (HSENI).

BBC: Noel (L), Nevin (centre) and Graham Spence (R)

An investigation was carried out by the Health and Safety Executive (HSENI).

BBC: Belfast Health Trust fined over City hospital asbestos

The Northern Ireland Health and Safety Executive (HSENI) has expressed concern about a rise in the number of deaths on farms in the last year.

BBC: Concern over rise in Northern Ireland farm deaths

"This case highlights the importance of not only having accurate and up-to-date asbestos surveys carried out, but also ensuring that this information is given to anyone who carries out work on premises which are known to contain asbestos, " HSENI investigating inspector Hugh Moss said.

BBC: Belfast Health Trust fined over City hospital asbestos