Here are a few options for a WordPress post_tag description, keeping in mind they should be concise and helpful for SEO:

**Option 1 (Focus on Definition):**

* **Description:** 涵蓋人工培育水產、家禽及其他生物的相關資訊與知識。了解養殖技術、產業發展及相關議題。 (Covers information and knowledge related to the artificial cultivation of aquatic products, poultry, and other organisms. Learn about farming techniques, industry development, and related issues.)

**Option 2 (Focus on Practical Applications):**

* **Description:** 探索養殖業的最新趨勢，學習養殖技巧，並獲取有關飼料、設施及管理的實用指南。(Explore the latest trends in aquaculture, learn farming techniques, and get practical guides on feed, facilities, and management.)

**Option 3 (Slightly Broader, including sustainability):**

* **Description:** 關於養殖生產的各個面向，包括漁業、畜牧業的技術、環境影響與永續發展。 (About all aspects of breeding production, including fisheries, animal husbandry technology, environmental impact and sustainable development.)

**Option 4 (Short and sweet):**

* **Description:** 關注養殖業相關，包括水產、家禽及其他生物的人工培育。 (Focus on aquaculture, including the artificial cultivation of aquatic products, poultry, and other organisms.)

**Key Considerations for Choosing:**

* **Target Audience:** Who are you writing for? Are they beginners or experts?
* **Content of Your Website:** What kind of information will you be posting under this tag? Make sure the description aligns with your content.
* **Keywords:** Use keywords relevant to your target audience, for example, 水產 (aquatic products), 養殖技術 (farming techniques), 飼料 (feed). All the options include these already, but tailor if appropriate.
* **SEO:** Keep the descriptions relatively concise (around 1-2 sentences). Consider using your main keyword (“養殖”) in the beginning of the descriptions.

**How to add the description in WordPress:**

1. **Go to your WordPress dashboard.**
2. **Navigate to “Posts” -> “Tags”.**
3. **Find your “養殖” tag and click “Edit”.**
4. **Look for a field called “Description”.** (If you don’t see a description field, you may need to enable its display. Go to “Screen Options” at the top right of the screen and make sure “Description” is checked).
5. **Enter your chosen description in the “Description” field.**
6. **Click “Update”.**

By using a well-crafted description, you improve the SEO of your posts and help your readers understand what to expect from content categorized under this tag.