T
Tethering: To tie an animal with a rope or
chain to allow grazing but prevent straying.
TG: Thematic Group.
TLU: Tropical Livestock Unit.
Trypanosomiasis: Group of diseases caused
by parasites that live in the blood and body fluids of their hosts. Flies, especially
tsetse flies, transmit the disease. African trypanosomiasis occurs in cattle,
small ruminants and pigs. Symptoms vary from subclinical infection to a highly
fatal disease depending on the parasite species, the host and its level of resistance.
Tuberculosis: A contagious bacterial disease
characterised by the progressive development of tubercles in any of the organs
in most species. Bovine tuberculosis damages the animal's lungs and eventually
leads to death. Tuberculosis is a zoonoses.
Tundra: Land areas in arctic and alpine regions
devoid of large trees, varying from bare ground to various types of vegetation
consisting of grasses, sedges, forbs, dwarf shrubs and trees, mosses, and lichens.