i hunt alone alot and only use 2 dogs some times only 1,if i bring 2 its a baydog and a rcd.i used to use a cd on a leash but its too much work getting through the thick stuff...if i bring one dog it is a pit/bulldog with hunt...i have caught many big hogs this way,i cant see any need for a pile dogs on the ground at all...when we hunt together with friends 4-5 dogs max is the rule...
if my buddys have 4-5 dogs loaded up i will just leave mine at home,its fun to go with other people and there dogs...it will give you an idea where you are with you dogs performance/handle vs theres
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i havent seen anyone mention tracking systems-if you run a garmin and are not lazy you can run rcd's/xtra ruff curs and catch alot of hogs but you have to hump it and be there for them....
it is nice if some one would bring 1 extra cd for the times when things go wrong but keep it leashed up untill its needed 4 sure