Eksempler på louse

• Individual vintners left almost no direct trails in the government files on the vine louse.

• To date only a small amount of work on bioactive molecules produced by fish lice has been undertaken.

• Despite the economic importance of sea lice, comparatively little is known about the nature of their host-parasite relationship.

• Few authors have looked at the antibody response of fish that are naturally infected with fish lice.

• Rats, including the ears, were examined for ectoparasites (fleas, lice, mites and ticks) and collected by fine-toothcombing.

• On one species of bird quite a number of lice of different genera and species can often be found.

• This suggested periodic recruitment of lice into the farms with different resistance characteristics and a changing gene pool.

• The development of pesticide resistance in sea lice populations has been demonstrated for hydrogen peroxide and dichlorvos.