On-farm colorimetric detection of Pasteurella multocida, Mannheimia haemolytica, and Histophilus somni in crude bovine nasal samples oleh Ana Pascual-Garrigos, Murali Kannan Maruthamuthu, Aaron Ault, Josiah Levi Davidson, Grigorii Rudakov, Deepti Pillai, Jennifer Koziol, Jon P. Schoonmaker, Timothy Johnson, Mohit S. Verma