Moral, no. Medically possible, yes. Cheaper than hookers and blow, no.
Subjecting a pet to arbitrary surgical interventions for your gratification would not be legal under any Western jurisdiction, I’m sure.
Having sex with an animal is not legal under any Western jurisdiction either.
[OT aside] Is this the same fiercely “assertive” SmashTheState we’ve seen in other posts recently? Actually asking for special treatment and gentleness? It is to boggle.