Enables globoside alpha-N-acetylgalactosaminyltransferase activity. Predicted to be involved in lipid glycosylation. Predicted to be located in membrane. Predicted to be active in Golgi apparatus and vesicle. Is expressed in intestine; male reproductive gland or organ; nervous system; and stomach. Orthologous to human GBGT1 (globoside alpha-1,3-N-acetylgalactosaminyltransferase 1 (FORS blood group)). [provided by Alliance of Genome Resources, Apr 2022]