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Spermophilus beecheyi

Citation:

The annual cycle of the California ground squirrel

Author(s)
Tomich, P. Quentin
Pages
213-282
Year
Volume
65
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 6.09 based on embryo and placental scar counts 1 - 9 young/litter Female Adult Davis and Dixon 148 Exposure Factor Datasets
Body Weight - Mean 9.3 7.7 - 12.6 g Both Male and Female 34 Exposure Factor Datasets
Body Weight - Mean 64.2 20.0 - 106.0 g Both Male and Female 22 Exposure Factor Datasets
Body Weight - Mean 163.4 115.0 - 229.0 g Both Male and Female 13 Exposure Factor Datasets
Growth Rate see citation figure of body weight changes over time g/d Both Male and Female 6 litters Exposure Factor Datasets
Citation:

Differential toxicity and taste aversion to strychnine of three subspecies of the California ground squirrel (Spermophilus beecheyi)

Author(s)
Howard, Walter E., Stephen D. Palmateer, and Rex E. Marsh
Pages
107-112
Publisher
University of California, Davis
Year
Volume
14
Chemical Endpoint Value Sex Life Cycle Stage Sample Size Tox Exposure Toxicity Endpoint Type Tox Exposure Duration Tox Exposure Technique Type
STRYCHNINE increase at 6.7-44.5 mg/kg bw Both Male and Female Not Reported 3-5/group 0.01, 0.05, 0.5%; also reported as 1.4, 6.7, 44.5 mg/kg bw TOX-MORT - dose-response data 24 hr drinking water Toxicity Factor Datasets
Citation:

Fluoroacetate residues in ground squirrel and coyote tissues due to primary or secondary 1080 poisoning

Author(s)
Casper, Howard H., Michael E. Mount, Rex E. Marsh and Robert H. Schmidt
Pages
441-442
Year
Volume
69
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Tox Exposure Toxicity Endpoint Type Tox Exposure Duration Tox Exposure Technique Type
SODIUM MONOFLUOROACETATE 182-1309 ppb wet wt. @ 0.8 mg/kg; 535-9754 ppb wet wt. @ 4.8 mg/kg range of fluoroacetate residues in brain, caecum, kidney, liver, spleen, muscle and lung tissue of dead squirrels Not Reported Adult 2/dose 0, 0.8, 4.8 mg 1080/kg bw TOX-EXP IND - accumulation NR diet Toxicity Factor Datasets
Citation:

Hazards to wildlife associated with 1080 baiting for California ground squirrels

Author(s)
Hegdal, Paul L., Kathleen A. Fagherstone, Thomas A. Gatz, James F. Glahn and George H. Matschke
Pages
11-21
Year
Volume
14
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Tox Exposure Toxicity Endpoint Type Tox Exposure Duration Tox Exposure Technique Type
SODIUM MONOFLUOROACETATE decrease @ 6.7 kg/ha population size Not Reported Not Reported Exeter, Tulare 38.7-54.2 mean squirrel population size range 6.7 kg/ha; 13.5 ppm in stomach TOX-POP - size effects single field application Toxicity Factor Datasets
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