What age do puppies start loosing their baby teeth?

It is possible that he was the "runt" of the litter, because his sister from the same litter was a bit larger than him when I got him. He is suppossedly 1/2 chihuahua and 1/2 rat terrier and currently about 10lbs. I am not sure about his age.

What age do puppies start loosing their baby teeth?
Um... Dogs are not humans BUT are like us in that they DO lose their teeth! Anyone thats had a puppy knows this.





Dogs are born with no teeth at all, but grow them in the first two or three weeks after birth. At around eight weeks of age, a puppy should have a full set of twenty-eight teeth (some breeds may have a slight variation), consisting of pre-molars (not full molars), incisors, and canines.





Beginning around three months of age, puppies start to lose their first set of teeth. The first ones noticed are usually the pointier canines, when an owner notices blood on chew toys. Many times an owner won't even realize his puppy has started to shed teeth.





Adult teeth start to erupt within a few days of losing a tooth, and you'll notice your puppy has started a reign of terror, mouthing everything, chewing like there's no tomorrow.





An adult set has forty-two teeth: twenty-two on the lower jaw (mandible) and twenty on the upper jaw (maxilla). Twelve incisors, four canines, sixteen pre-molars, and four molars on the upper jaw, and six more on the lower jaw.





I don't think being a runt would make a difference but it might for a few weeks. I wouldn't worry about it much. If you notice that the 3 month time frame has long passed, you might mention it to your vet.





(I keep adding more and more to this answer) 10 lbs is HUGE for a terrier/chihuahua mix! I would say he's probably over a year old!! Talk to your vet!
Reply:they dogs!!!not humans you never know ...i think
Reply:They don't lose there teeth, they are not like us. There teeth will grow.
Reply:They start losing them at about 12 wks of age. By 6 months they should all be adult teeth. This is actually pretty consistent regardless of breed, a runt will probably lose his teeth a few days earlier, but their teeth all grow back at about the same time.





Sometimes they have what is called retained deciduous teeth, which case they need to be pulled by a vet or they can cause infection to the adult tooth. That is more common in breeds w short muzzles like pugs, so you probably dont have to worry about it since chis and terriers have pretty decent muzzles, but just fyi.





10# is big for your pup!!! I wouldnt call that a runt :-)
Reply:lol the teeth drop out and make way 4 the adult teeth to come through between 4/5 months but is diffrent 4 every dog,and it prolly makes no difference to weather he/she was the runt or not my female puppy was the second born and it turns out she is one of the smallest of the litter and i know she was second out as i was there, but keep in mind the runt is only the runt while in the litter with litter mates , once out of the litter then they should grow as normal.. hope that helps! i don't know much about the breed you were saying about, i am going by my experiences with my two dogs...
Reply:There is no speicfic age that I know of. They all seem to start loosing them at around four months. The best way to tell is when they really start chewing on things. I mean chewing. I don't think the breed has much to do with it except a runt may be later. Give them their own toy and nothing else. A pup or dog doesn't know the difference between new and old.
Reply:My dog lost her puppy teeth between the ages of 3-12 months.





Good luck
Reply:They lose their teeth when they are about 1-3 months old. I really cant remember when my dog lost his teeth. We really couldn't tell when they all fell out because they'll fall out one at a time.



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