Table 1.

Maximum residue limits (MRLs) of colistin recommended in animal-based food by different regulatory agencies.

Animal Species	Target Tissue	MRLs (Per Kg)	Reference
All food producing animal spp.	Fat, muscle, liver	150 µg, 150µg, 150 µg	[29]
All food producing animal spp.	Kidney	200 µg	[29]
All food producing animal spp.	Milk	50 µg	[29]
All food producing animal spp.	Eggs	300 µg	[29]
Cattle, sheep’s	Fat, muscle, kidney, liver, milk	150 µg, 150 µg, 200 µg, 150 µg, 50 µg	[30]
Pig, goat, rabbit	Fat, muscle, liver, kidney	150 µg, 150 µg, 150 µg, 200 µg	[30]
Chicken	Fat, liver, kidney, eggs	150 µg, 150 µg, 200 µg, 300 µg	[30]
Turkey	Fat, muscle, liver, kidney	150 µg, 150 µg, 150 µg, 200 µg	[30]
Cattle, lamb	Milk	50 µg	[31]
Cattle, lamb, swine, chicken, rabbit	Fat, muscle, liver, kidney	150 µg, 150 µg, 150 µg, 200 µg	[31]
Bovine	Muscle, liver, kidney	150 µg, 150 µg, 200 µg	[32]
Porcine	Liver, kidney	150 µg, 200 µg	[32]
Poultry	Muscle, liver, kidney	150 µg, 150 µg, 200 µg	[32]
Pig, cattle, chicken	Muscle, fat, liver	150 µg	[33]
Cattle	Milk	50 µg	[33]
Pig, cattle, chicken	Kidney	200 µg	[33]