Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Ornithine transcarbamylase deficiency ?
    ### Response:
    What are the signs and symptoms of Ornithine transcarbamylase deficiency? Ornithine transcarbamylase (OTC) deficiency often becomes evident in the first few days of life. An infant with OTC deficiency may be lacking in energy (lethargic) or unwilling to eat, and have a poorly-controlled breathing rate or body temperature.
    