Is risky to girl if transmitted with dog's sperm?

No, it is not risky for a girl to be transmitted with dog's sperm. Inter-species mating is not possible due to genetic incompatibility, so the sperm of a dog cannot fertilize a human egg. Additionally, even if it were possible, the differences in genetic makeup between species would likely result in an unsuccessful fertilization process. Therefore, there is no risk to a girl from being transmitted with dog's sperm.