VMD 511: Animal Welfare, Ethics and Jurisprudence (2+0)

PROCEDURE FOR COLLECTION OF MATERIAL FOR CHEMICAL EXAMINATION

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, one, ingesta)	100 gms
Water	100 ml
Whole blood	15 ml
Hair	5-15 gms
Brain	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