SERPINA1 and infection: Data obtained from Chama district suggest that the overall occurrence of AAT was similar in cattle (28.6 %, 95 % CI: 20.0–37.4 %) and goats (27.8 %, 95 % CI: 12.8–42.4 %) although cattle recorded more Trypanozoon infection (26.7 %, 95 % CI: 18.4–35.2 %, PFR-LAMP) than goats which recorded greater infection with T. congolense (8.3 %, 95 % CI: 3.0–13.6 %, by KIN-PCR) and T. vivax (5.5 %, 95 % CI: 1.3–9.5 %, by TviCatL-PCR).