Puppy - wikipedia Puppy This article is about the domestic dog. For other uses, see Puppy ( disambiguation ). Golden Retriever puppy Basset Hound puppy Newborn Welsh Springer Spaniel puppies A puppy is a juvenile dog. Some puppies can weigh 1 -- 3 lb ( 0.45 -- 1.36 kg ), while larger ones can weigh up to 15 -- 23 lb ( 6.8 -- 10.4 kg ). All healthy puppies grow quickly after birth. A puppy 's coat color may change as the puppy grows older, as is commonly seen in breeds such as the Yorkshire Terrier. In vernacular English, puppy refers specifically to dogs, while pup may often be used for other mammals such as seals, giraffes, guinea pigs, or even rats. Contents 1 Development 2 Socialization 3 Docking and declawing 4 Gallery 5 See also 6 References 7 Further reading 8 External links Development Born after an average of 63 days of gestation, puppies emerge in an amnion that is bitten off and eaten by the mother dog. Puppies begin to nurse almost immediately. If the litter exceeds six puppies, particularly if one or more are obvious runts, human intervention in hand - feeding the stronger puppies is necessary to ensure that the runts get proper nourishment and attention from the mother. As they reach one month of age, puppies are gradually weaned and begin to eat solid food. The mother may regurgitate partially digested food for the puppies or might let them eat some of her solid food. The mother dog usually refuses to nurse at this stage, though she might let them occasionally nurse for comfort. At first, puppies spend the large majority of their time sleeping and the rest feeding. They instinctively pile together into a heap, and become distressed if separated from physical contact with their littermates, by even a short distance. Puppies are born with a fully functional sense of smell but ca n't open their eyes. During their first two weeks, a puppy 's senses all develop rapidly. During this stage the nose is the primary sense organ used by puppies to find their mother 's teats, and to locate their littermates, if they become separated by a short distance. Puppies open their eyes about nine to eleven days following birth. At first, their retinas are poorly developed and their vision is poor. Puppies are not able to see as well as adult dogs. In addition, puppies ' ears remain sealed until about thirteen to seventeen days after birth, after which they respond more actively to sounds. Between two and four weeks old, puppies usually begin to growl, bite, wag their tails, and bark. Puppies develop very quickly during their first three months, particularly after their eyes and ears open and they are no longer completely dependent on their mother. Their coordination and strength improve, they spar with their littermates, and begin to explore the world outside the nest. They play wrestling, chase, dominance, and tug - of - war games. Socialization Puppies playing with each other Puppies socializing Puppies are highly social animals and spend most of their waking hours interacting with either their mother or littermates. When puppies are socialized with humans, particularly between the ages of eight and twelve weeks, they develop social skills around people. Those that do not receive adequate socialization during this period may display fearful behavior around humans or other dogs as adults. The optimum period for socialisation is between eight and twelve weeks ; professional animal trainers and the American Kennel Club advise puppies should be introduced to `` 100 People by 12 Weeks '' and have encountered a wide and varied selection of people and environments. Docking and declawing The practice of docking began primarily as a preventive measure for injury among working dogs. Docking is now primarily performed for purely cosmetic reasons, and some breeds traditionally have their tails cropped anywhere from slightly to almost entirely. Many countries now ban cropping and docking for cosmetic purposes, like Australia, parts of Canada, the majority of the European countries ( Austria, Greece, Finland, Netherlands, Italy, Czech Republic, Turkey, Poland, Slovakia, England, Scotland, Slovenia, Ireland, Norway and Sweden ), while others, such as the United States, permit it. As of 2008, the practice is opposed by the American Veterinary Medical Association. Some breeders also prefer to declaw the dogs to prevent future injuries caused by scratching, or in the case of dewclaws, ingrown and ripped - off nails. Docking and declawing procedures are usually performed within the first few days after birth, by a veterinarian, or by an experienced breeder. Gallery Puppies Australian Cattle Dog puppy A mongrel puppy Westie pups St. Bernard puppy Cavapoo puppy Bloodhound puppy Chihuahua puppy Jack Russell Terrier puppy Puggle puppy, a designer dog that is a cross of a Pug and a Beagle Newborn Basenji puppies A little mongrel puppy on the shore, on Halong Bay Basenji puppy Two Shih Tzu puppies See also Companion dog Canine Developmental Diet Docking ( dog ) Sell a pup, buy a pup ( idioms ) Kitten References Jump up ^ Whitehead, Sarah ; Dog : The complete guide, 1999, page 158 Jump up ^ Coren, Stanley ; Why Does My Dog Act That Way ? : A Complete Guide to Your Dog 's Personality, 2006, page 44 Jump up ^ Larkin, Peter ; The ultimate encyclopedia of dogs, dog breeds & dog care, 2006, page 53 Jump up ^ White, Linda ; First Steps with Puppies and Kittens : A Practice - Team Approach to Behavior, 2009, page 54 Jump up ^ Paddock, Arliss. `` The Importance of Puppy Socialization ''. American Kennel Club. Archived from the original on 28 January 2014. Retrieved 28 January 2014. Jump up ^ Serpell, James A ; Companion Animals And Us : Exploring the Relationships Between People And Pets, 2000, page 307 Jump up ^ AVMA.org, AVMA opposes cosmetic ear cropping, tail docking of dogs - December 15, 2008 Further reading Cunliffe, Juliette ( 2004 ). The Encyclopedia of Dog Breeds. Parragon Publishing. ISBN 0 - 7525 - 8276 - 3. Fogle, Bruce ( 2000 ). The New Encyclopedia of the Dog. Doring Kindersley ( DK ). ISBN 0 - 7894 - 6130 - 7. Mehus - Roe, Kristin ( 2005 ). ( editor ), ed. Dog Bible. BowTie. ISBN 1 - 931993 - 34 - 3. CS1 maint : Extra text : editors list ( link ) External links Great breeds for First - Time Dog Owners from AKC Legislation and rules - Be your dogs best friend and a good neighbor ; from AKC Look up puppy in Wiktionary, the free dictionary. Wikimedia Commons has media related to Puppy. Wikimedia Commons has media related to Puppies. 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Question: when do new born puppies open there eyes
Answer: nine to eleven days following birth