| FDA
Approved
Animal Drug Data Base 美國農部認可批准葯物資料庫 |
| Nitrate
Toxicity in Livestock (PDF) - Oklahoma State 畜禽之硝酸鹽毒性(PDF)─奧克拉荷馬州 |
| Prussic
Acid
Poisoning in Livestock - Colorado State 畜禽氰酸中毒─科羅拉多州 |
| Ringworm
and Club Lamb Fungus - University of Nebraska 綿羊蘚症及黴菌─內布拉斯加州大學 |
| Managing
Insect Pests on Goats and Sheep (Kansas State University) 綿羊與山羊之昆虫控制(PDF)─奧克拉荷馬州 |
| Sheep
and goats predator loss - Cornell 綿羊與山羊之掠食耗損─康乃爾州 |