Worked in Canterbury as assistant Herd Manager salary $45K on the same farm the manager left ended up doing the job of a 2IC but on the same pay. The hours were long round 12 hours days. Moved overseas where the money is much better and on a 50 hour week roster being 5/2 salary $52K.NZ pays low rates and if you work over a 40 hour week where is the time and half (38 hour week incurrs overtime oversea).he hours were long round 12 hours days. Moved overseas where the money is much better and on a 50 hour week roster being 5/2 salary $52K. NZ pays low rates and if you work over a 40 hour week where is the time and half (38 hour week incurrs overtime oversea).