Here are a few options for a WordPress post_tag description, depending on the focus you want:

**Option 1 (General Description):**

* **Title:** 鳥病 (Bird Disease)
* **Description:** 包含所有有關鳥類疾病的文章，涵蓋預防、診斷、治療以及常見疾病。 (Includes all articles related to bird diseases, covering prevention, diagnosis, treatment, and common illnesses.)

**Explanation:**

* This is a comprehensive description suitable for any blog about birds or avian health.

**Option 2 (Focus on Specific Symptoms):**

* **Title:** 鳥病 (Bird Disease)
* **Description:** 分享鳥類健康問題的資訊，包括呼吸困難、食慾不振、羽毛異常等等。 (Shares information on bird health issues, including difficulty breathing, loss of appetite, feather abnormalities, and more.)

**Explanation:**

* This is aimed at people looking for help with potentially sick birds and highlights some obvious signs of trouble.

**Option 3 (Focus on Preventing Disease):**

* **Title:** 鳥病 (Bird Disease)
* **Description:** 關注如何預防鳥類疾病，包括良好的飼養環境、飲食管理、以及定期健康檢查的重要。 (Focuses on how to prevent bird diseases, including the importance of a good living environment, dietary management, and regular health checks.)

**Explanation:**

* This is great for an avian blog that aims to promote good pet bird care and long bird healthy lives.

**Option 4 (Concise Description):**

* **Title:** 鳥病 (Bird Disease)
* **Description:** 關於鳥類疾病的相關文章。 (Articles about bird diseases.)

**Explanation:**

* A simple, basic description that quickly tells the user what the tag is for.

**Choosing the Best Option:**

* Consider the target audience of your blog. Are they bird owners, veterinarians, or bird enthusiasts?
* What kind of content do you plan to create under this tag?
* Choose the description that best reflects the scope and purpose of your blog related to “鳥病”.