diseases / case studies Flashcards
what animals does foot and mouth disease affect and how are they affected
cloven hoofed ruminants,
symptoms occur 2 - 14 days after infection
fever, blisters, erosions, excess saliva, loss of appetite, lameness, heart damage, death
what is foot and mouth disease (how is it transmitted)
a virus transmitted through direct contact with the infected animal or contaminate objects or by eating or coming in contact with infected carcasses
what is avian influenza (bird flu)
highly contagious viral disease, many different strains, spreads to humans. affects the respiratory, digestive and nervous systems of birds.
how is bird flu spread to humans
direct contact with the infected bird, their droppings / bedding and preparing contaminated birds for cooking.
how is bird flu spread between birds
feces, mucus, saliva
what are the symptoms of bird flu in birds
swollen heads, blue comb, lack of appitite, diarrhea, drop in egg production
what is BSE (mad cow disease)
incurable usually fatal disease in cattle that affects the brain an can be spread to humans through ingestion of infected tissue. causes abnormal behaviour, trouble with walking and coordination and weight loss. infected through feed consisting of infected parts
what is ebola
often fatal disease caused by a virus from wild animals. transferred by contact with infected bodily fluid. often carried by the bushmeat trade
what is the bushmeat trade
commercial hunting and selling of wild animals for food
where are zebra muscles native to and how are they being transported
native to easten europe, lakes in ukraine and southern russia especially
transported by being attached to ships that move over boarders
what do zebra muscles affect
- water quality
- blocks up pipes
- affects native species
- linked to botulism
what is chytrid
- caused by the bd fungus
- often fatal
- affects amphibians, infects skin from the water
- illegal pet trade spread it by transporting infected an
