how much lactlose can i give 3week old pups large breed and how many times aday ? does any1 know? 3of the pups have hard tums and i moaning while asleep ,ive see 2 f them trying to poo and only a little bit coming out and its hard ,their all weeing lots so their getting enough fluids. dont know if it could be worms? i wormed them at 2weeks old with donital liquid .

get  a blob of vaseline on a cotton bud or you could use a thermometer and gently insert it into the bottom just a  little bit to grease them up , give them boiled cooled water and they should poo..lots!! is the lactlose of the vet??
if they are constipated then they do need more fluids not necessarily milk!

thanks roni will try a cotton bud and vaseline x

.............or some Liquid Parafin which you can buy from most Chemists. I found that worked better than the vaseline & thermometer.