Assertion: heifer's calf | /r/CapableOf | lower the mobility of joints
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Source sentences:
text: The four recessive defects in the Black Angus breed that are currently managed with DNA tests are arthrogryposis multiplex (AM), referred to as curly calf, which lowers the mobility of joints; neuropathic hydrocephalus (NH), sometimes known as water head, which causes an enlarged malformed skull; contractural arachnodactyly (CA), formerly referred to by the name of "fawn calf syndrome", which reduces mobility in the hips; and dwarfism, which affects the size of calves.