The Tennessee Stiff-Legged breed, sometimes called the Tennessee wooden-leg, nervous goat, scared goat, fainting goat, fall-down goat, or myotonic goat, was reportedly first brought to Texas from Giles County in central Tennessee. Mason lists the breed as imported from Asia, possibly India, in the early 1800s. The breed has a condition called myotonia congenita. This disease state is not detrimental to the production of this breed, which is known for its heavy muscling (Fig. 1). Lipicky and Bryant have implicated the role of the chloride channel-1 (CIC-1) gene in the disorder.
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