Both meanings being with the letter D just like the Greek letter, which should help you remember them: 1  Difference is the most common meaning of the uppercase delta. 2  It is simply the difference or change in a certain quantity.
Trypanosomiasis This is a protozoan disease of animals and humans caused by parasites of the genus Trypanosoma, which are found in blood plasma, various body tissues and fluids. Theileriosis (East cost fever) â¢ East coast fever is a sub acute haemoprotozoan disease of cattle caused by Theileria parva. Theileriosis is characterized by fever, enlarged lymph nodes, dyspnea and death. In chronic cases loss of condition, emaciation, diarrhea, blindness, etc. can be seen.
1 Not all bacteria cause disease. 2  People and animals have bacteria living on and in them that do not cause disease. 3  Examples of diseases in animals caused by bacteria are anthrax, blackquarter and tuberculosis.rotozoa. 1  Some protozoa can live outside cells, especially the type that causes trichomonosis, a venereal disease in cattle. 2  Animals can be poisoned by chemicals (such as insecticides and dips), poisonous plants and fungal toxins. 3  They can also be poisoned when bitten by snakes, scorpions and spiders.