Persistent organochlorine pesticide residue in tissues and blood of goat

Figures & data

Figure 1. Distribution of OCPs in goat tissues and organs.

Table 1. HCH residues in different issues of goats (on lipid basis).

Pesticide	Total number of samples	Number of contaminated samples	Minimum	Maximum	Mean concentration ± SD	No. of samples > MRL
α-HCH	25	4 (16%)	0.006	0.32	0.231 ± 0.13	3^2
β-HCH	25	7 (28%)	0.06	1.91	0.797 ± 0.694	4^2
γ-HCH	25	7 (28%)	0.002	0.85	0.195 ± 0.275	5^2, 4^1
δ-HCH	25	5 (20%)	0.016	0.2	0.091 ± 0.072	NA
Σ HCH	25	10 (40%)	0.03	2.42	0.832 ± 0.897	NA

¹ Showing residue concentration higher than MRL prescribed by Codex.

² Showing residue concentration higher than MRL prescribed by the EU.

NA means MRL value not available.

Table 2. MRL values of OC pesticides in animal tissues and meat.

		MRL (mg/kg)
Agency	Commodity	α-HCH	β-HCH	γ-HCH	DDT	Endosulfan	Dicofol
Codex	Meat			0.1	5 (fat) EMRL 1–5 (fat)	0.2 (fat)
EU	Goat meat	0.1	0.05	0.02	1	0.05	0.5
	Goat fat	0.2	0.1	0.02	1	0.05	0.5
	Goat liver	0.2	0.1	0.02	1	0.05	0.5
	Goat kidney	0.2	0.1	0.02	1	0.05	0.5
PFA Act, Government of India	Meat			2	7
US EPA	Sheep meat					0.2

Table 3. DDT isomers and metabolites in goat tissues (on lipid basis).

Pesticide	Total number of samples	Number of contaminated samples	Minimum	Maximum	Mean concentration ± SD	No. of samples > MRL
Op^1 DDD	25	2 (8.0%)	0.07	0.3	0.185 ± 0.115
pp^1 DDD	25	2 (8.0%)	0.05	0.15	0.083 ± 0.047
op^1 DDE	25	2 (8.0%)	0.002	1.65	0.552 ± 0.776
pp^1 DDE	25	3 (12.0%)	0.013	2.63	0.898 ± 1.22
op^1 DDT	25	2 (8.0%)	0.001	0.003	0.002 ± 0.0008
pp^1 DDT	25	2 (8.0%)	0.006	0.011	0.008 ± 0.002
Σ DDT	25	8 (32.0%)	0.017	2.93	0.554 ± 0.976	2^2

¹ Showing residue concentration higher than MRL prescribed by Codex.

² Showing residue concentration higher than MRL prescribed by the EU.

Table 4. Endosulfan residues in goat tissues (on lipid basis).

Pesticide	Total number of samples	Number of contaminated samples	Minimum	Maximum	Mean concentration ± SD	No. of samples > MRL
α-Endosulfan	25	6 (24%)	0.05	0.25	0.138 ± 0.08
β-Endosulfan		7 (28%)	0.03	0.33	0.131 ± 0.096
Endosulfan sulphate		4 (16%)	0.03	0.36	0.13 ± 0.133
Σ Endosulfan		8 (32%)	0.09	0.89	0.284 ± 0.248	8^2, 4^1

¹ Showing residue concentration higher than MRL prescribed by Codex.

² Showing residue concentration higher than MRL prescribed by the EU.

Table 5. OC pesticide residues in blood samples of goat.

Name of pesticide	Total sample	Contaminated sample	No. of sample > MRL	Concentration range (μg/g)	Mean concentration ± SD
Σ HCH	20	–	–	–	–
Σ DDT		2 (10%)	–	0.002–0.013	0.007 ± 0.006
Σ Endosulfan		6 (30%)	–	0.006–0.044	0.019 ± 0.013