The dog is a moot point, damn a dog does what it is trained to do, and yes, it would distort the court room process. DNA evidence is all that is needed here. How stupid is the prosecutor are the judge that let’s his court room be made into a zoo.
Well there is the problem of getting the fathers DNA. He does not have to give a sample.
But it could be obtained in other ways say a father’s brother, or the father’s father, sister or the girl herself.
A male relative is best because the DNA of the Y chromosome is passed from the father only. But of course this is only available if the child is male.
If it was your Dad perping on you(Male or Female). I bet you would get a cigar smoking chimp if it would help you put the scum away for many years.