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1000
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Abstract/Summary
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The use of lead-based rifle bullets in hunting poses a risk to human and animal health when bullet fragments remain in the game meat. The objective of this study was to assess, for the first time, the number, size and spatial distribution of bullet fragments in game animals collectively and in three dimensions. Four roe deer (Capreolus capreolus) hunted with lead bullets were radiographed using computed tomography (CT) at each step of meat processing from animal bodies to edible parts. The animal bodies contained 43–199 fragments with a mean volume of 3.71 ± 5.49 mm3 and a mean distance of 6.5 ± 4.6 cm perpendicular to the wound channel. About 40% of the fragments were in the lower size range of < 1.00 mm3. Individual fragments were located up to 22.2 cm from the wound channel and were located in the edible parts (ribs, n = 2; haunch, n = 1; shoulder, n = 3) with up to 0.29 g (0.16 ± 0.15 g, mean ± SD) of estimated bullet fragment mass (BFM) deposited in the edible parts of the roe deer. Tissues in a radius of at least 16 cm around the wound channel should have been discarded in order to remove 95% of the BFM from the investigated roe deer. Additionally, around 85.1% of the initial bullet mass corresponding to 9.948 ± 1.040 g BFM were estimated to be introduced into the environment. This study highlights the challenges of ensuring sufficient removal of lead-based rifle bullet fragments in game meat processing for either human consumption purposes or for use as pet food.
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1000
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Hinweis
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