1 sample would typically be useful for the general public who want to know the sex of their bird. If you want to by a few samples for different birds then you are able to by multiple sample 1s.

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Price: $5

5 samples would most likely be used for a bird breeder who wants to know the sexes of the new generation of baby birds. If a couple more samples are needed then some 1 samples can be added on.

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Price: $20

10 samples would probably be bought by veterinary personnel who have had customers who want their birds' sexes determined. It can be combined with other sample amounts if demand is high.

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Price: $35