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(482) This is common in the white non pigmented breeds, some of which can be highly susceptible to ultra violet radiation. The symptoms are similar to those in the human with rapid reddening of the skin and considerable pain.

In severe cases oedema and oozing of serum may take place with secondary bacterial infection. One major problem with sunburn in outdoor or exposed weaned sows is their refusal to stand for the boar at mating.

Ultra violet radiation can also cause embryo absorption and abortions in pure white breeds. Outdoor pigs can be protected by shades and access to good wallows throughout the year. Ensure that the breeds used have pigmented skins.

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