What has emerged from debate over M. Bovis is that NZ has been let down by authorities.

Bio-security is key as hundreds of herds prepare to move across NZ

Aggressive invaders will eat native crabs' food. Made with funding from NZ On Air.

To put the proposed M.Bovis cattle cull in context, we killed 4.2 million cattle in 2017.

MPI still investigating how M. bovis got into New Zealand

About 150,000 cows will be culled from Kiwi farms.

Cabinet today to decide on the weapon for cattle disease fight but army is divided.

Will culling continue? Government decision tomorrow on M. Bovis cattle disease

M. Bovis will not stop the annual movement of farmers and their cattle

The Govt has not yet given up hope of eradicating M. Bovis from farms.

COMMENT: Eradicating disease is a costly exercise but it's certainly worth trying.

Farmers could be asked to contribute to a new fund for biosecurity threats.

Myrtle rust has reached Feilding, Hawera and Palmerston North. Now it's in Whanganui.

COMMENT: Taxpayer bailout undeserved after rural misuse of the Nait scheme.

COMMENT: Farmers should have acted sooner but MPI should have too.

Myrtle rust has been discovered in Northland, prompting pleas from biosecurity officials.

The Whanganui-Castlecliff rail line is seeing increasing loads of exports and imports.

Fly-overs reveal hundreds of new sites possibly infected with kauri dieback disease.

They bother us, sting us and plague our environment. Is there hope in wiping out the wasp?

A million sterile codling moths are opening export doors. Made with funding from NZ On Air

Officials are intercepting more brown marmorated stink bugs and we should all be worried.

Fungus can adversely affect myrtle species, including pohutukawa, manuka and kanuka.

COMMENT: Divert some defence money to fighting stink bugs, argues Brian Rudman.

Invasive 'stink bug' a real threat to fruit, says New Zealand Apples and Pear chief.

Far North boaties and cray fishers asked to help stop highly invasive kelp spreading.

Virus will be pitted against pathogen in a new effort to help our hard-working honeybees.

EDITORIAL: Valuable primary sector requires protection, at border and inside farm gate.

It may be impossible to defeat a pathogen threatening several cherished native species.

Council to consider closing the Waitakere Ranges to visitors over kauri-killing disease.

Heavy infestation of Mediterranean fanworm on Bay of Islands boat causes alarm