Enables 1-alkyl-2-acetylglycerophosphocholine esterase activity and platelet-activating factor acetyltransferase activity. Involved in negative regulation of apoptotic process. Predicted to be located in cytoplasm. Orthologous to human PAFAH2 (platelet activating factor acetylhydrolase 2). [provided by Alliance of Genome Resources, Apr 2022]