1 “...This study takes an in-depth look at the pig sector in OECD countries and draws some conclusions...”

2 Subjects: “...guinea pigs...”

3 Subjects: “...pigs...”

4 Subjects: “...smart pig...”

5 Subjects: “...pigs...”

6 Subjects: “...pig...”

7 Subjects: “...pig house...”

8 Subjects: “...pig house...”

9 Subjects: “...pig farming pollution...”

10 “... agriculture, trade and the environment. The first study on the pig sector was published in 2003...”