Precocial development of axial locomotor muscle in bottlenose dolphins (Tursiops truncatus).

  title={Precocial development of axial locomotor muscle in bottlenose dolphins (Tursiops truncatus).},
  author={Jennifer L. Dearolf and William A Mclellan and Richard Dillaman and Dargan M. W. Frierson and D. Ann Pabst},
  journal={Journal of morphology},
  volume={244 3},
At birth, the locomotor muscles of precocial, terrestrial mammals are similar to those of adults in both mass, as a percent of total body mass, and fiber-type composition. It is hypothesized that bottlenose dolphins (Tursiops truncatus), marine mammals that swim from the instant of birth, will also exhibit precocial development of locomotor muscles. Body mass data from neonatal and adult dolphins are used to calculate Grand's (1992) Neural and Muscular Indices of Development. Using these… CONTINUE READING
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