Requests for the pedigree of individual Australian breeder heifers exported to Indonesia could halt trade for up to eight weeks.
Managing director of South East Asia Livestock Services, John Kaus, says meeting the requirements will be challenging and time consuming.
He says the request was made in order to crack down on the evasion of import taxes.
"Customs believe that this is one way importers are getting around the import duty on feeders, by importing breeders for feeders," he said.
"These are commercial Brahmans.
They're not pure bred, so therefore they haven't got any pedigrees.
"In one port they're asking for pedigrees of each heifer."
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