Nope. Because they had been on an antibiotic combo they weren't even eating fruits/veg, only grains like Cheerios, graham cracker, pretzel, etc in addition to the lab blocks. No toys with red dye. A true mystery but as of today, no more blood or strange colored urine. Keeping an eye on OT, but terribly relieved.
Mom to Phineas & Ferb (rattie brothers) Joan & Jett (glam guinea pigs)
Hope & Bodhi (criminal kitties) Winston (pit bull/mastiff rescue lover boy) Rocky (betta buddy)
Safi & Nixi (bipedal darlings, both diagnosed with Classic Autism and the true animal whisperers)