Initiation of trypanosome transformation from bloodstream trypomastigotes to procyclic trypomastigotes.
D000818:Animals; D004912:Erythrocytes / Q000469:parasitology*; D010101:Oxygen Consumption; D051381:Rats; D013696:Temperature; D014346:Trypanosoma brucei brucei / Q000166:cytology / Q000254:growth & development* / Q000378:metabolism