Yes some countries is killing dogs and eat it is very nasty thing dogs are our pets not a food 
yes i well agree with you that some nation eating dog are still legalized and substitute consumption as part of culture and tradition ritualistic,the estimated consumed of dog meat last 2014 has rise of 25 million dog,aside from that dog meat has also source of parasite or worms that do not digest food properly,, so that's why we need stop eating too and killing because DOG'S are also called man's best friend ,