Winter Hiking Etiquette

pooping on the trail-toilet paper can be packed out easily in plastic bag.if you gotta go you gotta go -i tell you what is really gross, i don't mind if someone poops discreetly somewhere off trail but i just hate it when my dogs discover it and roll in it, esp if they proudly carry out the toilet paper-how do i get it away from them without touching it i always carry lots of plastic bags...sometimes i forget that my darling doggies are not as civilized as my anthropomorphic illusions tell me they are....