To prevent matting in a Silky Terrier's coat, several measures should be taken. Here are some tips:

1. Regular Brushing: Brush your Silky Terrier’s coat daily to prevent tangles and mats from forming. Use a slicker brush or a pin brush that reaches through the silky hair.

2. Proper Grooming Tools: Invest in high-quality grooming tools designed for silky coats, such as a dematting comb, slicker brush, and pin brush.

3. Bathing: Regular baths help keep the coat clean and easier to manage. Use a dog shampoo and conditioner suited for silky coats to prevent dryness and tangling.

4. Trimming: Regularly trim the coat, particularly around areas that are prone to matting such as behind the ears, under the legs, and around the abdomen.

5. Detanglers and Conditioners: Use a detangling spray or leave-in conditioner to help keep the coat smooth and reduce the chances of mat formation.

6. Professional Grooming: Schedule regular appointments with a professional groomer who is experienced with Silky Terriers. They can provide thorough grooming that you might miss.

7. Attention to Problem Areas: Pay extra attention to areas that are prone to matting, such as the armpits, behind the ears, and the neck area where collars may cause tangles.

8. Healthy Diet: Ensure your Silky Terrier is on a nutritious diet to promote healthy skin and coat. Supplements such as omega fatty acids can also improve coat health.

Would you like more detailed guidance on any of these points or additional tips?