Blood as food cabidela is also made by cooking chicken or rabbit in its own blood, sometimes diluted with vinegar. In Spain, the "morcilla" sausage is a kind of black pudding mainly made with pig blood, with spices, fat, and sometimes vegetables. In Andalusia "sangre encebollada" and Valencian "sang amb ceba "are popular dishes made with chicken or pork solidified blood and onion. In Sweden, the blood soup svartsoppa, made with goose blood, is traditionally eaten on the eve of Saint Martin, especially in the southern region of Skåne. Other popular dishes, with blood as one of the ingredients include blodpudding (black pudding],
Tail biting in pigs other species, they go through teething phases which can prompt them to start tail biting. Pigs also have a natural tendency to chew and an attraction to blood, therefore if they start chewing on a tail and draw blood, it makes it harder for them to stop and can lead to infection. As pigs feel uncomfortable in their housing environment, they turn to biting and harming the tails of the pigs surrounding them. Factors that can trigger tail biting include environmental, husbandry, and diet factors like temperature, competition for food and water, vitamin E deficiency, and high fat diets. Tail