ESTADOS UNIDOS
2014 10 21
Carbon Dioxide System for on-farm Euthanasia of Pigs in Small Groups |
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Carbon Dioxide System for on-farm Euthanasia of Pigs in Small Groups
http://www.thepigsite.com/articles/4865/carbon-dioxide-system-for-onfarm-euthanasia-of-pigs-in-small-groups
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