Composed essentially of adipose tissue containing a high proportion of fat, the hump is a particularity of the camel. The collection of hump fat by biopsy is an easy way for monitoring the composition of fat storage or for the follow-up of xenobiotic lipophilic molecules. The method of biopsy is described. It was tested in dromedary and Bactrian camel and can be used repetitively without risk for the animal to sample approximately 1g of tissue in kinetic studies.