The Chief Veterinary Officer for Wales has told ITV News that farmers will be able to bury their dead animals in 'certain areas' of Wales where no other option is available.
Dr Christianne Glossop says that farmers will have to contact a 'fallen stock collector' before they can be aprroved to dispose of their own dead animals.
The law relaxations will come into force from midnight.
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A survey for the Welsh Government shows that people living in Blaenau Gwent are the least satisfied with their area as a place to live.
The rainy and unsettled conditions mean pollen levels will be low today but will go up to moderate for Thursday and Friday.
The more persistent rain will gradually move northwestwards leaving some southern parts dry later.