Assessment of heavy metal (Cu, Ni, Fe, Co, Mn, Cr, Zn) pollution in effluent dominated rivulet water and their effect on glycogen metabolism and histology of Mastacembelus armatus

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Table 6 Impact of Heavy metal concentrations on glucose and glycogen content of Mastacembelus armatus

Tissues	Control	Exposed	Percent change over control
Tissues	Glucose/Glycogen content	Glucose/Glycogen content	Percent change over control
Blood (glucose)	1.14±0.01^**	21.36±0.049^**	+17.73%
Liver (glycogen)	2.36±0.01^**	0.24±0.111^**	−89.83%
Muscle (glycogen)	0.82±0.01^*	0.23± 0.032^*	−71.95%

Values are Mean±S.D (n=8); Blood glucose is given in mg%; Glycogen values are given in mg/g; Student’s t- test was used to test the significance **Significant at p < 0.01 and *Significant at p < 0.05; +/− indicates increase or decrease over control.