Pigs (England): Code of Recommendations for the Welfare of Livestock: Pigs (PB7950)

Section 1 - Recommendations for all pigs


18. Permanent marking of pigs by, for example, ear or body tattooing or ear tagging, should be carried out only by a trained and competent operator using properly maintained instruments and under hygienic conditions. Ear tags should be suitable for use in pigs. Slap marking is an acceptable method where identification is required immediately prior to transporting the pigs to slaughter. Where, for herd management purposes, ear marking is by notching or punching, you should use appropriate equipment.
19. When ear tagging, notching or tattooing, you must properly restrain the animals. Take care to position and insert tags correctly by following the manufacturers instructions, avoiding main blood vessels and ridges of cartilage.
20. If you are using aerosols or paints for temporary marking, make sure only non-toxic substances are used.
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