Vickie, I am reading it still too. I get side-tracked by some of the references. Yes, it is deep stuff but there are quite a few paragraphs that are easy to comprehend and wonder at. The scientific goggles on us: where we are of interest and make the scientist wonder.
"Outside of specialist circles of collectors, these extraordinary products of intensive breeding are almost unknown, yet they could provide fascinating subjects for scientific study. Even the basic histology and developmental biology are yet to be investigated."