Dairy's high calcium causes relative deficiencies in magnesium and other bone - building minerals, and its high phosphorus and animal protein reduces calcium availability. (babyreference.com)
A naturally developing enteropathy associated with SIBO was first described in German Shepherd Dogs, and it has been postulated that this is related to an apparent relative deficiency of IgA in this breed. (epi4dogs.com)
Additionally, if the absolute levels are within the range, but they're off balance relative to one another (a relative increase or relative deficiency of either estrogen or progesterone), then the hormonal cycle can be disrupted; we will talk about that more later. (drlam.com)