Southern Horse Magazine Page 21 Notes:
Have been reports of poisoning in horses.
Rapid and weak pulse Respiratory paralysis
Notes:
Milk weed poisoning is rarely fatal.
Plant - Cowbane
Stem less herb with tuberous roots and large, heart-shaped leaves often with various dark spots; the flowers are small.
Symptoms may include:
Salivation, swelling of the neck, inco-ordination followed by collapse and death.
Notes:
Poisoning is rare. Plant - Darnel
Plant - Common Milkweed
Latin Name: Cicuta virosa High Risk
Symptoms may include:
Salivation, diluted pupils, spasmodic convulsions, abdominal pain.
Latin Name: Asclepias syri- aca
Description:
Milkweed is a pasture plant native to USA but is now found in some pasture in UK. Elliptical shaped leave branch off of a central stem. When any part of the plant is torn it will ooze a white, sticky sap. The flowers grow in a ball shaped cluster and when in full bloom are a lavender color. The pods develop to about 3” and in fall split open to release brown seeds that float through the air on downy fibers. All parts of the plant are toxic. Living and dried plants (accidentally baled into hay) are toxic. Like most toxic plants horses will avoid milkweed unless they have no other food source. Signs of milkweed poisoning are:
Symptoms may include: Disorientation
Loss of muscular control Spasming
Not normally diarrhoea. Notes:
Greatest risk of poisoning is when the roots are exposed after ditching.
Plant - Cuckoo Pint
Latin Name: Lolium temu- lentum
Low Risk Symptoms may include:
Excessive salivation (or absence), dilation of pupils, abdominal pain, diarrhoea, inco-ordination and liver dysfunction.
Plant - Deadly
Nightshade Join Us On
Latin Name: Arum macu- latum
Picture:
High Risk Description:
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Southern Horse Magazine
Latin Name: Atropina belladonna
High Risk Description:
Deadly nightshade is a coarse herb with a thick root. It has branched stems 2-5 feet tall. Its leaves are large, ovate, entire and al- ternately inserted but buds develop rapidly so that the leaves appear to be in- serted in pairs at the same point. Its solitary flowers are one inch long with five blunt points and dull purple colour. The fruit is a purple to black berry.
Symptoms may include:
Dilated pupils, inflamed mucus membranes, nervous excitement and inability to stand.
Notes: Seldom eaten by horses.
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