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                                     ATYPICAL MYOPATHY


- Weakness
- Horse found laying on the grass (or dead)
- Difficulty to get up
- Dark coloured urine
- Stiffness
- Red or purple mucus membranes
- Depressed
- Muscle tremors
- Difficulty to stay standing
- Difficulty or inability to walk
- Increased heart rate
- Difficulty to breath
- Sweating
- Hypothermia
- Colic
- Horse that still wants to eat




In the Autumn Seeds that fall off of the Sycamore tree known as ‘helicopters’ contain the toxin that is thought  responsible for causing atypical myopathy:


 The concentration of hypoglycinA in sycamore and box elder seeds (varies between seeds in the same pasture and even from the same tree.


It is likely that the most important factors contributing to horses being poisoned by hypoglycinA are the availability of the seed in the field combined with a lack of adequate grazing or supplementary forage.





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