Small details make a difference in pig pens

How difficult can it be to design a good pig pen? It pays off to understand and incorporate normal pig behaviour when designing them, writes housing and welfare expert Vivi Aarestup Moustsen. All pigs need a place to eat and drink, to rest and sleep and to dung and urinate. So it ought to be easy to design pens. And yet, the function of pens varies so much between herds. Often small changes or details make a difference. A common characteristic for the features below, were, that they were design