HEMATOLOGIC, PLASMA BIOCHEMISTRY, AND SELECT NUTRIENT VALUES IN CAPTIVE SMOOTH DOGFISH (MUSTELUS CANIS)

The Indianapolis Zoo maintains a large collection of smooth dogfish

Meredith E. Persky; J. Jason Williams; Renae E. Burks; Michelle R. Bowman; Jan C. Ramer; Jeffry S. Proudfoot

2012

Scholarcy highlights

  • The Indianapolis Zoo maintains a large collection of smooth dogfish
  • During the first several years of captivity, there was a period of high mortality in adult, wild-caught sharks in the collection
  • The sharks did successfully produce viable offspring, there was an elevated pup mortality rate, with 0% of the pups reaching 1 yr of age during the same period of high mortality in adult sharks
  • This poor response to captivity prompted interest in the physiologic response of these animals to illness. The objective of this investigation was to establish a preliminary data set of hematologic and plasma chemistry reference intervals, along with select nutrient parameters specific to wild-caught adults maintained in prolonged captivity
  • Significant differences specific to sex were determined for parameters including packed cell volume, absolute and relative fine eosinophilic granulocytes, relative percentage of coarse eosinophilic granulocytes, globulins, the albumin/globulin ratio, total protein, phosphorus, iron, selenium and copper
  • Further research into appropriate hematology standards including nutritional parameters appears warranted

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