mothers that didn’t imbibe the probiotics were less caring and tended to neglect their pups.
Maternal Gut Microbes Control Offspring Sex and Survival Varian et al., 2014. https://www.omicsonline.org/open-access/maternal-gut-microbes-control-offspring-sex-and-survival-2329-8901.1000120.php?aid=30840
Further observation of males revealed thick skin bristling with active follicles, elevated testosterone levels and oversize testicles, which the animals liked showing off.
Probiotic Bacteria Induce a ‘Glow of Health’ Levkovich et al., 2013. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0053867
after feeding mice a probiotic microbe
Lactobacillus reuteri