I adopted a 4 month old great dane/mastiff mix (looks just like a great dane). He went thru a growth spurt for the first 2 months we had him and then his growth has just kind of slowed to a snail's crawl! He's 10 mon...

I adopted a 4 month old great dane/mastiff mix (looks just like a great dane). He went thru a growth spurt for the first 2 months we had him and then his growth has just kind of slowed to a snail's crawl! He's 10 m...