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Question 1

Types of clover? Which one is bad?

Answer 1

Alsike, red and white
Alsike is bad

Question 2

Differences btw red, white and alsike

Answer 2

Alsike = finely serrated, sharp teethed leaves, hairless. White to pink flowers. Long stem

Red = hairy, finely toothed leaves. Pink/purplish flowers. Long stem

White = finely toothed, hairless. White flowers. Short stems

Question 3

Know slide 15

Answer 3

ok

Question 4

Clinical signs of alsike

Answer 4

Off-feed
colic
brown urine
skin lesions

Question 5

Lab test of alsike

Answer 5

Liver failure

Question 6

Horses with liver disease due to toxin steps

Answer 6

ingest forage -> chlorophyll -> phylloerythrin in bloodstream -> phylloerythrin stays in blood stream (liver misfunction) -> phylloerythrin accumulates in skin -> phylloerythrin + light -> inflammation/edema of skin

Question 7

Where is inflammation/edema of the skin most common in alsike

Answer 7

Ears, eyelids, muzzle, tongue, mouth

Question 8

The problem with fescue grass is

Answer 8

may be infected with the endophyte Acremonium ceonophialum whoch produces a toxin

Question 9

Fescue grass in mares? Foals?

Answer 9

Mares = prolonged gestation, abortion, red bag, dystocia, retained placenta, agalactia

Foals = abnormal foal maturation, weakness, starvation/poor immunity (due to agalactia)