Charlierunner 86

After about 3 ur 4 slips my dog comes Bak 2 me a lies dwn absolutely warn out !!! His previous owner feed him raw meet all time an I've been feeding him on dry food wig sardines, some1s told me it might be sumfink 2du [bANNED TEXT] his blood cells, can [NO TEXT TALK] please guide me in what 2 du next ?? Thanks peeps