The number of puppies in the same litter: large dogs can give birth to more than seven or eight at a time. Small dogs only give birth to two or three at a time. This is a fairly accurate reference indicator. If a puppy has more than seven or eight siblings, it will never be petite. 2. Full-term weight: puppies weighing about 3 kg at full term will grow into medium-sized dogs weighing about 10-12 kg in the future. This is a reference indicator, for example, a puppy that weighs 4 or 5 kg at full term may weigh more than 15 kg as an adult. You can also compare the weight of a puppy by deducing its age from its teeth. 3. Weight at the time of tooth replacement: Puppies begin to lose their milk teeth (starting with the incisors) when they are about 110 days old, and all of them are replaced when they are about 160 days old. Medium-sized dog puppies weigh about 7 kg when they start to change teeth. Dogs can be large or small, each with its own advantages and disadvantages, depending on the person’s preference. If you have a large dog, you have to work hard to earn money to buy dog food and exercise your body to be able to carry large bags of dog food and have the strength to walk the dog; if you have a small dog, you have to be careful of dental problems, joint problems, and even water brain (Chihuahua), which are also headaches. Although large dogs give people a great sense of threat, in fact, in addition to some specific dog breeds (such as Doberman), many large dogs are quite good-tempered, but the teasing of children have a greater tolerance.
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