Fig. 3
From: Farm characteristics affecting antibiotic consumption in pig farms in England
The effect of farm category and year on the total amount of non-critical antibiotics used (kg) between the years 2017 and 2018. There were no differences in the total amount of non-critical antibiotics used between years for either the Nursery–Finisher or Finisher farm categories, but there was a significant difference between years for the breeder–Finisher farms