Clinical and Neuropathological Changes in Cattle Eating the Leaves of Macrozamia lucida or Bowenia serrulata (Family Zamiaceae)

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Abstract
Two steers were fed leaves of plants of the family Zamiaceae, one Bowenia serrulata and the other, Macrozamia lucida. Degenerative lesions were demonstrated in the nerve fibres of the fasciculus gracilis and the dorsal spinocerebellar pathways. Two naturally affected animals from an area where m. lucida was grazed were also examined, and in these, degenerative lesions of the fasciculus gracilis were found.