The Philippines recommends for duck egg production.
| 格式: | 图书 |
|---|---|
| 出版: |
Los Baños, Laguna
Philippine Council for Agriculture, Forestry and Natural Resources Research and Development
2006.
|
| 版: | 3rd ed. |
| 丛编: | PCARRD Philippines recommends series
no. 90-B. |
| 主题: |