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RATL: A Database of Reptile and Amphibian Toxicology Literature

RATL: A Database of Reptile and Amphibian Toxicology Literature

RATL: A Database of Reptile and Amphibian Toxicology Literature

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Contaminant a Species<br />

Code b<br />

Lifestage Exposure<br />

Route f<br />

Table 4 - Laboratory Studies - 72<br />

Study<br />

Endpoint g Temp h pH Contaminant<br />

Concentration<br />

e<br />

Results, Residues, Effects <strong>and</strong>/or Remarks d,e<br />

Zn XELA adult TISPREP PHYSIO 3.4 mM Slowed kinetics <strong>of</strong> system; decreased the permeability<br />

constant, increased the time constant, shifted the K<br />

activation curve along the potential nerve axis.<br />

Zn XXFR tadpoles IMMER DEVOBS N/20000-<br />

N/50000 (see<br />

paper for<br />

details)<br />

Zn XXXX not<br />

specified<br />

Few survived N/20000; those which survived in N/50000 for<br />

> 3 mos were stunted <strong>and</strong> had no limb buds.<br />

Reference k<br />

Arhem 1980 k<br />

Dilling <strong>and</strong> Healey 1926 k<br />

INJECT PHYSIO The degree <strong>of</strong> cellular disturbance after injections was related<br />

to intensity <strong>and</strong> persistence <strong>of</strong> intravital reaction.<br />

Eschenko 1978<br />

ZnSO4 XELA tadpole<br />

(stage 54-<br />

IMMER MORT 10-20 mg/L 0 % mortality at 10 <strong>and</strong> 15 mg/L in pre-treated groups<br />

(either Zn or Cd); 4 - 15 % mortality at 20 mg/L in groups;<br />

Woodall et al. 1988<br />

58)<br />

10 - 80 % mortality in non-pretreated groups with increasing<br />

mortality at higher ZnSO 4 conc.<br />

k

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