Caring for a 40-day-old Dachshund can be quite manageable with the right approach. It's recommended that you feed your puppy softened puppy food mixed with goat's milk formula. Keeping your little Dachshund warm is also crucial. After a week of settling in, it's time for vaccinations and deworming.

While 40-day-old Dachshund puppies are more vulnerable than adult dogs, they are relatively easy to care for if you are attentive to their needs.
First, keeping them warm is essential. Puppies are susceptible to colds due to their weaker immune systems. Ensure your puppy stays warm by providing a heating pad or hot water bottle.
Secondly, 40-day-old Dachshunds have sensitive digestive systems. Therefore, it's best to feed them highly nutritious and easily digestible foods. A great approach is to soften puppy food with goat's milk formula. It's also vital to feed them small portions more frequently, about four times a day if possible. This method of feeding, in small, frequent portions, aids digestion for these little guys.
If you're unsure which goat's milk formula to choose, consider products like Meows Doctor's pet goat milk formula. It's formulated with DHA, which aids in brain and vision development; calcium and phosphorus for bone growth; and protein and fat for essential energy. Additionally, it contains probiotics to support gut health. Even without their mother’s milk, this formula makes sure your puppy receives the best start. All of this at an affordable price point.
Furthermore, you must ensure that your home environment is properly disinfected and that your puppy doesn’t chew on your shoes to prevent possible viral infections. After they’ve been home for about a week, it’s then time to visit the vet for initial vaccinations and deworming.
Remember, consistent care, proper nutrition, warmth, and a clean environment are key to raising a healthy and happy 40-day-old Dachshund. Focus on these areas and you and your new puppy will do just fine.