As well, any testicular tissue growing
at a subcutaneous site of transplantation is that of the
transplant, whereas testicular tissue growing in the abdomen
could originate from either host or donor. Song
and Silversides (2007b,c) also found that the donor testicular
tissue grew poorly or not at all if the hosts were
incompletely castrated and they successfully castrated
only 2 of 15 (2007b) and 4 of 9 (2007c) chicks