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. 2020 Oct 29;6(10):e05274. doi: 10.1016/j.heliyon.2020.e05274

Table 3.

Levels of different pesticide residues in CMT affiliated dogs and tumor free dogs.

Pesticides Serum (μg/ml)
Mammary adipose tissue (μg/g)
Mammary tissue (μg/g)
CMT cases
(n = 33)
Tumor free dogs
(n = 6)
CMT cases
(n = 31)
Tumor free dogs
(n = 6)
CMT cases
(n = 35)
Tumor free dogs
(n = 6)
Mean ± SD Range Mean ± SD Range Mean ± SD Range Mean ± SD Range Mean ± SD Range Mean ± SD Range
p,p DDT 0.051 ± 0.289 0–1.686 ND - 0.986 ± 1.665 0–6.537 0.078 ± 0.174 0–0.466 0.574 ± 1.256 0–4.687 0.053 ± 0.119 0–0.319
o,p DDT 0.015 ± 0.082 0–0.4795 ND - ND - ND - ND - ND -
p,p DDD 0.040 ± 0.126 0–0.483 ND - 0.033 ± 0.183 0–1.021 ND - 0.331 ± 1.333 0–6.316 ND -
α HCH 0.005 ± 0.011 0–0.0463 0.075 ± 0.167 0–0.447 0.012 ± 0.049 0–0.247 ND - 0.024 ± 0.061 0–0.299 ND -
γ HCH 0.303 ± 0.607 0–3.022 0.091 ± 0.157 0–0.429 0.304 ± 0.457 0–2.133 ND - 0.248 ± 0.290 0–1.168 0.130 ± 0.196 0–0.509
Butachlor 0.291 ± 0.794 0–3.1156 ND - 0.171 ± 0.952 0–5.302 1.022 ± 2.285 0–6.13 0.539 ± 1.049 0–4.363 ND -
L-cyhalothrin 0.199 ± 0.476 0–2.109 ND - ND - ND - 0.044 ± 0.130 0–0.504 ND -
Heptachlor 0.606 ± 1.201 0–3.342 0.080 ± 0.179 0–0.480 0.292 ± 0.641 0–2.137 ND - 0.226 ± 0.473 0–1.635 ND -
Dieldrin 0 0.006 ND - 0.011 ± 0.032 0–0.147 ND - 0.011 ± 0.027 0–0.107 ND -
Fenitrothion ND - ND - 1.395 ± 1.885 0–5.182 ND - 0.331 ± 0.709 0–2.282 ND -
Aldrin 0.078 ± 0.365 0–2.101 0.651 ± 1.280 0–3.494 0.337 ± 0.552 0–1.674 ND - 0.303 ± 0.465 0–1.504 ND -
Fipronil ND - ND - 0.323 ± 1.138 0–5.774 ND - 0.376 ± 1.386 0–7.272 ND -
Permethrin 0.060 ± 0.240 0–1.122 0.167 ± 0.373 0–0.999 0.003 ± 0.018 0.098 ND - 0.070 ± 0.247 0–1.222 ND -
p,p DDE ND - ND - 0.055 ± 0.304 0–1.692 ND - ND - ND -

ND = Not Detected; CMT = canine mammary tumor; n = number of cases; SD = standard deviation.