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

2 “...The Pig Sector...”

3 Subjects: “...pig manure...”

4 Subjects: “...pigs...”

5 Subjects: “...pig slurry...”

6 Subjects: “...pig house...”

7 Subjects: “...pig house...”

8 “... and the environment in various agricultural sectors, including the arable crops, dairy and pig sectors...”

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

10 “... in the Netherlands, namely laying hens, broilers and pigs (all monogastrics), and dairy cattle (ruminants). For eggs...”