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The potential toxicity of Australian weeds to goats

The potential toxicity of Australian weeds to goats

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ACONITUM NAPELLUS<br />

Alternative Name:<br />

Monkshood, wolfsbane. aconite<br />

Toxicity <strong>to</strong> Goats:<br />

Toxic, high risk<br />

Toxicity <strong>to</strong> Other Species:<br />

Toxic <strong>to</strong> all lives<strong>to</strong>ck species<br />

Palatability: Not known <strong>to</strong> be eaten<br />

Poisonous Principle:<br />

Polycyclic diterpenoid alkaloides, eg. aconitine<br />

Effects:<br />

Signs and symp<strong>to</strong>ms; Restlessness, salivation,<br />

bloating, belching, repetitive swallowing.<br />

Pr<strong>of</strong>ound weakness leading <strong>to</strong> recumbency,<br />

cardiac arrhythymia, very weak pulse and<br />

shallow respiration.<br />

Health and production problems; Death within<br />

hours.<br />

Integrated Control Strategy:<br />

GARDEN PLANT.<br />

Do not feed these garden clippings <strong>to</strong> any<br />

lives<strong>to</strong>ck. Use herbicide, or weed out in<strong>to</strong><br />

disposable bags.<br />

Comments:<br />

Roots, leaves, flowers and seeds are all<br />

poisonous. S<strong>to</strong>ck losses are usually only<br />

encountered when animals are given access <strong>to</strong><br />

garden plants and clippings.<br />

A genus <strong>of</strong> perennials, with a thick black<br />

poisonous roots<strong>to</strong>ck and upright stems,<br />

growing <strong>to</strong> about one metre high, and bearing<br />

hooded flowers varying from pink through <strong>to</strong><br />

purple.<br />

Toxins can also be absorbed through cuts. <strong>The</strong><br />

plant has sedative and pain killing properties,<br />

but there is extreme danger from overdosing.<br />

A. vulparia (wolfsbane) was a bait poison, and<br />

was also an effective arrow poison in eastern<br />

Asia. <strong>The</strong>se flowers are a pale yellow.<br />

7<br />

No 201 Aconitum spp<br />

CORNELL UNIVERSITY

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