Procedure for collection of material for chemical examination

PROCEDURE FOR COLLECTION OF MATERIAL FOR CHEMICAL EXAMINAION

Collection of sample

Tissues or fluids should be as fresh as possible

Sample amount needed

In small animals

Whole unopened cadaver in case of dog, cat, poultry, etc.

In large animals (tissue, bone, ingesta)

100 gms

Water

100 ml

Whole blood

15 ml

Hair

5-15 gms

Urine

50 ml

Feed

1 kg

Preservation of sample

Preferable preservative

- 95% ethanol @ 1ml/g of tissue
- Avoid use of formalin as it interferes with many tests.

Storage of sample

- Refrigerator or deep freeze

Container requirement

- Plastic bags or jars; Glass containers
- Avoid Jars with metal screws when metal poisoning is suspected

Precautions

- Do not wash the sample with water before packing and dispatching

Last modified: Friday, 20 April 2012, 7:35 AM