Ectoparasites of livestock in New Zealand

摘要: Abstract Ectoparasites (blowflies, lice, ticks, and mites) are not the main threat to farm production in New Zealand but major concerns farmer a drain on resources. Lice blowflies have been present from earliest days of pastoral agriculture Zealand, as was scab mite, Psoroptes ovis, supposedly extinct since 1880s. The cattle tick, Haemaphysalis longicornis, later addition Zealand's arthropod pest fauna, which has extended further by relatively recent introduction Australian sheep blowfly, Lucilia cuprina. Lesser players such ked (Melophagus ovinus), mange mites (Chorioptes spp., Psorergates Demodex spp.), bot fly (Oestrus ovis) add their tiny din background noise orchestrated effects players. Estimates monetary losses due ectoparasites can be computed, long‐term value is doubtful ‐ particularly when seen against fluctuating world prices a...