the lady who runs the puppy socialisation group that I took my two to said two useful things about housetraining. The first was that pups are probably not able to manage their own continence for physical reasons before about six months old. The other is that the biggest reason she has found for housetraining failure is that people think that the pup is housetrained ie continent when in fact its the owner who has been managing the pups continence, thinks that the job is done and stops.
My top tip does work on pups (and dogs) who are physically able to be continent and aren't messing for emotional/psychological reasons....but you will be more knackered before it works!!
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You will need to clean everywhere the dog has messed really thoroughly, either with a special scent removing product (petshop) or biological detergent but if you use the bio stuff rinse really well so as not to upset pup's tum.
The problem with any kind of pad or paper training is it teaches the dog that its okay to go in the house then they have to learn that it isn't so I wouldn't use them.
My boys are now 7 months old. They have their last meal at 6pm, are asleep between 8.30 and 9pm and wake again around 5.30am because they hear the dawn chorus. I take them out to the garden for wee and poo then walk between 6 and 6.30am, back between 7 and 7.30am and they get breakfast. They have been on this regime and clean and sleeping through the night since four months old. They are big dogs (german pointers) so slow maturing pups.
I think that getting continence cracked makes them settle better at night...at least that is my experience
If you want to have them go back to bed and be quiet after going out in the garden (and if they gotta then they gotta!) you could try giving them a stuffed kong or other lovely toy to