feed the dog 3 times a day and feed breast of lamb , ox hearts etc feed all she will eat if she eats it all give her more but don t go silly with it little and often is the key plenty of fatty meat or chicken carcases should do the trick, in this cold wheather with a lot of exercise she will be burning up loads of cal s etc just jeeping warm will burn fat like you wouldn t believe, lots of little and often thats the key