
Agree with the above answers. i have often had 1 or 2 substantially smaller pups in a litter, butt hey have been perfect, developed normally, and usually end up average size. However a "runt" is small, weedy and often has numerous defects. I have reared and kept 2 of these pups myself. Both have been dearly loved pets, but I am always aware of the problems they had/have, and the potential for trouble. Titch was my Am. Cocker who was tiny at birth and very weak. Almost died, had to be hand reared, and at 6 weeks was still half size of rest. At adulthood he was a stocky little chap, but only the height of an average to small bitch in the breed. He had a very happy, healthy life, till I suddenly and tragically lost him (kidney failure) aged 5, his early problems may well have played a part in his short life span. Puglet is my tiny pug, a singleton, her Mum rejected her. She was tiny and very strange looking. Again hand reared, and much less than half the average size for a pug until 6 months. She is now a littel more than half size. She has what my vet call multiple birth defects, including very strange legs and joints, a fontanelle which did not close for months, and a tendency to hyperventilate and pass out when excited. However, she loves life, is always the center of attention, and I count every day with her as a bonus. She is now over 3 years old - we never thought she would make a year! However, she is probably one of the most expensive Pugs in the UK, the cost of all her vet bills as a baby, and then her hydro therapy which builds up extra muscle in her little legs. You have to realise with a runt you are taking on potential herat ache and heart break (as well as big vet bills!)
bye
Gwen