"I think the major issue is employment... The issue is there was already shortfalls in terms of numbers of employees.
"With the reduction in employees, then they [processors] do have to look at the more complex products and in some cases, cutting back on those or cutting those lines out. So it's more simple, straightforward products that are being that are being dealt with."
Usually about 25 per cent of eggs went to the food service sector, and for smaller farmers who did not have contracts with supermarkets, the lockdown could be challenging, Brooks said.
"It's the smaller players often do [supply] the vege shops, the local cafes, farmers markets, and all of those of course are closed down."
Books said some had established contactless delivery systems, which were accounting for about 50-60 per cent of normal business.
- RNZ