Roundworm life cycle and larval availability

WormBoss worm control program for goats

Western Australia

The life cycle of goat roundworms

Roundworm life cycle and larvae availability on pasture

The availability of infective larvae of the winter scour worms on pasture

Source: The epidemiology and control of gastrointestinal parasites of sheep in Australia. Edited by A.D. Donald, W.H Southcott and J.K. Dineen, Division of Animal Health, CSIRO 1978.

The peak availability is around June–August (depending upon the timing of the autumn break).