I THINK 2 FEMALES & A MALE. BUT THEN AGAIN THE FEMALES ARE MORE B@#%6! SO 2 MALES BUT YES THE'LL FIGHT OVER HER. I MYSELF HAVE 2 MALES AND A FEMALE. I GUESS WHAT EVER AS LONG AS YOU GET THEM YOUNG OR IF YOU HAVE OLDER DOGS AND THE NEW ONE IS A PUP, THEY'LL ADJUST AFTER A FEW GROWLS & BARKS THE'LL LEARN THEY ARE ALL PART OF THE SAME PACK AND HAVE NO CHOICE BUT TO GET ALONG