INVESTIGADORES
BELDOMENICO Pablo Martin
congresos y reuniones científicas
Título:
Does subclinical capture myopathy occur during guanaco shearing procedures?
Autor/es:
RAGO, V; MARULL, C; BELDOMENICO, PM; CARMANCHAHI, P; RAGO, MC; FERNANDEZ, M; NOVARO, A; BOLGERI, MJ; UHART, MM
Lugar:
Puerto Iguazú
Reunión:
Conferencia; LVII Annual International Conference of the Wildlife Disease Association; 2010
Institución organizadora:
Wildlife Disease Association
Resumen:
Capture myopathy (CM) is frequently reported in wild ungulates after capture procedures or as a
consequence of management practices that cause excessive effort and stress. Muscle damage is
reflected in altered blood chemistry, especially an elevation in the levels of certain enzymes and other
biochemical parameters. With the aim to investigate the occurrence of this pathology in wild guanaco
shearing activities, we determined plasma levels of CPK, LDH, AST, as well as BUN and Creatinine
in 98 free-ranging guanacos (Lama guanicoe) that were captured, sheared and released at La Payunia
reserve, Mendoza, Argentina, during 2006, 2007 and 2009. In comparison with reference values
reported for free-ranging and captive guanaco, we found that 18.4% of the animals presented high
values of BUN, CPK and LDH. This proportion includes two guanacos that died during or soon after
the shearing of suspected CM. In addition, 26.5% had elevated CPK, which suggests that they
suffered different degrees of muscle damage, though clinical evidence of CM was not observed. The
enzyme levels were not associated with the time from capture to release, which ranged from 4 to 30
hours, or the actual shearing time. Our results suggest that guanaco may suffer subclinical capture
myopathy during capture and/or shearing procedures, but that the time required to complete the
procedure might not be a crucial factor.