1 year
they should
It may have worms, you should let a vet have a look at it.
A 4-week-old lab retriever puppy should be fed 4-5 times a day with a high-quality puppy food. The amount they should eat can vary, but a general guideline is around 1/4 to 1/2 a cup per feeding, depending on the size and appetite of the puppy. It's best to consult with a veterinarian for specific feeding recommendations based on the puppy's weight and development.
Yes, this is normal.
yes and no they should be weaning from mom around this age,start giving them soften puppy food, soaked in hot water not milk.
Depends on how well socialized they are. If they've both been around other dogs and enjoyed it, there should be no problems unless the older dog gets annoyed at the rambunctious puppy. Neither are naturally aggressive by any means.
Appox 65-85 lbs @ 5 months and height from withers to feet..21''-25"
Yes, so long as the older Lab is okay with it. The older Lab may dislike being trampled on. They should both have enough space to comfortably lay down.
Food and drinks. There are many chemicals in the lab, if you bring food inside then eat or drink it then the food could be poisoned, or chemicalized.
A 5-month-old Labrador puppy should be eating about 2 cups of food per day. This diet may be less or more depending on the dog's needs.
It is difficult to tell you exactly what your chocolate lab puppy should weigh because each puppy is built differently. On average, puppies weigh a single pound at birth and gain 2 pounds per week. Following that formula, your puppy should weigh between 18 and 20 pounds.
Good Luck!