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After Using Lead Ammunition, Lead Fragments Remain In the Hunted Meat

Lead buckshot Credit: Wikipedia

If you use lead bullets or buckshot when hunting wild game or birds, then some of the lead will get into you when you eat the meat. Even after the bullet or buckshot is removed, tiny lead fragments remain that can not be easily seen. A recent study found this is also true with wild pheasants that were killed with lead buckshot or pellets.

Studies show that even after the bullet is removed from a dead animal, numerous very small lead fragments remain in the soft tissue. In deer, lead fragments have been found as far away as 45 cm from the lead bullet's path. Lead shotgun pellets also fragment into small pieces when they are fired into gamebirds and waterfowl.

The researchers purchased carcasses of wild pheasants (all shot by hunters on farmland in the UK) from a butcher shop. All the pheasant carcasses contained tiny metal (lead) fragments, and most contained a large number of them - 75% had more than 15 small fragments. These could be seen on the micro-CT scanner, which shows more than x-rays.

Very important: Studies find that the more people eat meat killed using lead ammunition - the higher their blood lead levels. This is because they are eating the small lead fragments in the meat. These fragments are too small to be easily detected and removed by the consumer during food preparation or while eating.

Bottom line: Avoid eating any meat that was killed with lead ammunition. Lead is toxic when ingested, and there is no save level. Instead, hunting should be done with non-lead ammunition.

From Science Daily: Pheasant meat sold for food found to contain many tiny shards of toxic lead

Eating pheasant killed using lead shot is likely to expose consumers to raised levels of lead in their diet, even if the meat is carefully prepared to remove the shotgun pellets and the most damaged tissue.

A study has found that pheasants killed by lead shot contain many fragments of lead too small to detect by eye or touch, and too distant from the shot to be removed without throwing away a large proportion of otherwise useable meat.

Lead fragments often form when lead shotgun pellets hit the bodies of gamebirds. The fragments become lodged deep within the meat.

Researchers examined the carcasses of eight wild-shot common pheasants, killed on a farmland shoot using lead shotgun ammunition and on sale in a UK butcher's shop. They found small lead fragments embedded in every pheasant, in addition to lead shotgun pellets in seven of them.

The researchers found up to 10mg of tiny lead shards per pheasant, all of which were much too small to be detected by eye or by touch.

Lead is toxic to humans when absorbed by the body -- there is no known safe level of exposure. Lead accumulates in the body over time and can cause long-term harm, including increased risk of cardiovascular disease and kidney damage in adults. It is known to lower IQ in young children, and affect the neurological development of unborn babies.

"While lead gunshot continues to be used for hunting, people who eat pheasants and other similar gamebirds are very likely to be also consuming a lot of tiny lead fragments," said Professor Rhys Green in the University of Cambridge's Department of Zoology, and first author of the study.

An earlier study in rats showed that when consumed, more lead is absorbed into the body from smaller fragments than from larger ones.

"It seems to have been widely assumed in the past that a lead shot embedded in a pheasant carcass remained intact, and could be removed cleanly before the pheasant was eaten -- removing any health risk. Our study has shown the extent to which this is really not the case," said Green. He added: "By eating pheasant, people are also unwittingly eating lead, which is toxic."

Around 11,000 tonnes of meat from wild-shot gamebirds, mostly pheasant, are eaten in the UK every year. Virtually all pheasants shot in the UK for human consumption are killed using lead shot.

The researchers used a high-resolution CT (computerised tomography) scanner to locate the lead fragments in the pheasant meat in three dimensions, and measure their size and weight. The meat was then dissolved, allowing the larger fragments to be extracted and analysed further to confirm they were lead.

An average of 3.5 lead pellets and 39 lead fragments of less than 1mm wide were detected per pheasant. The smallest fragments were 0.07mm wide -- at the limit of resolution for the CT scanner for specimens of this size -- and the researchers say it is likely that even smaller fragments were also present.

The lead pieces were widely distributed within the birds' tissues and some of the small fragments were over 50mm from the nearest lead shot pellet.

Steel shotgun pellets are a practical alternative to lead, and their use in place of lead for hunting is recommended by UK shooting organisations. But there is very little evidence of a voluntary switch away from lead being made. The UK Health & Safety Executive is currently preparing a case for banning the use of lead ammunition for hunting in the UK, and the European Chemicals Agency is doing the same for Europe.

Other game including partridge, grouse and rabbit is also mainly shot using lead shotgun pellets, and wild deer are shot using lead bullets. Hunters often remove the guts of deer carcasses to make them lighter to carry, and the discarded guts -- which often contain many bullet fragments -- are eaten by wildlife, which then also suffer the harmful effects of consuming lead.

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