Lice in Sheep

A common winter issue, lice are prevalent at this time of year due to their preference for cooler, darker and drier weather conditions. Infestations develop as a slow burn on healthy animals, with numbers gradually increasing on individuals. The entire lifecycle of lice is spent on sheep, so transmission between individual animals can only occur…

Ticks in Deer

Ticks thrive in warmer climates and so are commonly distributed across the North Island, although they are becoming an increasingly widespread issue. During their lifecycle they move on and off a host three times. Eggs are laid on the soil in summer, hatching to larvae in late summer/early autumn. The larvae migrate up the pasture…

Hoof Health

Incidence of lameness varies between herds and varies during the season. Smaller herds still have an incidence of 10% lame cows in the herd, larger herds often show higher incidences: up to 30%. Wet periods will boost the number of clinically lame cows, due to gravel being pushed into existing white line defects, softening of…