FAT1 and hydrops fetalis: Indeed, the major effect of both models was the similar increase of the Erysipelotrichaceae family, mainly represented by the Allobaculum genus (around 90% of the family), which was found to be significantly increased in the dietary ω-3 PUFA model (P < .05) but not in Fat-1-HF mice (P = .05; Figure 3D and E).