Big Paws Only Dog Forums

Hi. I have a 5 1/2 month old Black Lab and I also take care of my mom's  5 1/2 month old Great Dane, which she impulsively bought. . The lab has been with us for more than three months and the dane 1 1/2 months.

I have always wanted my dogs to stay indoors, but for my mom, never liked the idea of sharing her home with a dog.  So, my mom and I made a compromise and Pele (my dog) was allowed to stay just at our enclosed porch for more than a month.   During my break, I was able to successful train him to potty at our garden.  But, after my mom bought her great dane, Scooby, the lab started with the Territorial Marking.  The Dane, not being housetrained, constantly had accidents inside the room.  The lab also followed suit, peeing/ pooing beside where the Dane peed.  After a few days, my mom decided that they should just stay outdoors at their dog house.   The territorial marking continued.  The lab has kept terrorizing the dane not to pee at the garden.  With no choice, the dane developed a bad habit of eliminating anywhere but the grass.  Yes, pavement & tiles etc. Worst of all, the lab is now eliminating everywhere.

I’m thinking of trying to make them again into indoor dogs, because since, they stayed outdoors, the dane has had an eye infection and lot of cuts.  The lab contracted amobeasis and worms.   Do you think it’s still possible to train them indoors; counting the fact that they have already established bad habits?  I’m a new big dog owner and currently studying, what should be my approach?  Hope someone can help me.  Thanks.