Wie haben Sie die Pest besiegt?
Im Mittelalter kannten die Menschen kein wirksames Mittel gegen die Pest. Häufig wurden die Erkrankten zur Ader gelassen: Man entnahm ihnen Blut, indem man – meist im Oberarm – in eine Vene schnitt. Andere Kranke bekamen Brechmittel oder Einläufe.
Was hatte die Hygiene mit der Pest zu tun?
Pestärzte waren mit Masken ausgestattet. Wer in die Nähe eines Erkrankten kam, versuchte nicht zu atmen, nicht zu schlucken, und besprengte sich mit Essig oder Parfüm. Die Stadt Venedig führte die Quarantäne ein, um der Ausbreitung der Pest entgegenzuwirken.
Which is an example of an organism that is a pest?
A pest is any animal or plant detrimental to humans or human concerns, including crops, livestock and forestry. The term is also used of organisms that cause a nuisance, such as in the home. An older usage is of a deadly epidemic disease, specifically plague.
Which is the most important pest in the world?
The animal groups of greatest importance as pests (in order of economic importance) are insects, mites, nematodes and gastropods. Plant pests can be classed as monophagous, oligophagous, and polyphagous according to how many hosts they have.
Why are animals considered to be pests in agriculture?
Concept. Animals are called pests when they cause damage to agriculture by feeding on crops or parasitising livestock, such as codling moth on apples, or boll weevil on cotton. An animal could also be a pest when it causes damage to a wild ecosystem or carries germs within human habitats.
Why are animals considered to be pests or vermin?
Animals are considered pests or vermin when they injure people or damage crops, forestry, or buildings. Elephants are regarded as pests by the farmers whose crops they raid and trample. Mosquitoes and ticks are vectors that can transmit ailments but are also pests because of the distress caused by their bites.