The Group has three reportable segments, as discussed below, which are based on information provided to the Board of Directors, which is deemed to be the Group's chief operating decision maker. Several operating segments which have similar economic characteristics have been aggregated into the reporting segments. In undertaking this aggregation the assessment determined that the aggregated segments have similar products, production processes, customers and overall regulatory environments.

The European Pharmaceuticals Segment comprises Dechra Veterinary Products EU, Dechra Veterinary Products International and Dechra Pharmaceuticals Manufacturing. This Segment operates internationally and manufactures and markets Companion Animal, Equine, Food producing Animal Products and Nutrition. This Segment also includes third party manufacturing and other revenues from non-core activities.

The North American Pharmaceuticals Segment consists of Dechra Veterinary Products US, Putney, Dechra Veterinary Products Canada, and Dechra-Brovel, which sells Companion Animal, Equine Products and Food producing Animal Products in those territories. The Segment also includes our manufacturing unit based in Melbourne, Florida and was further expanded during the period with the acquisition of Ampharmco LLC.

The Pharmaceuticals Research and Development Segment includes all of the Group's pharmaceutical research and development activities. From a Board perspective, this Segment has no revenue.

Reconciliation of reportable segment revenues, profit or loss and liabilities and other material items:

2020
£m
Restated*
2019
£m
Revenue by segment
European Pharmaceuticals 323.5 304.0
NA Pharmaceuticals 191.6 177.8
515.1 481.8
Operating profit/(loss) by segment
European Pharmaceuticals 100.0 100.3
NA Pharmaceuticals 63.7 59.2
Pharmaceuticals Research and Development (28.4) (25.1)
Segment operating profit 135.3 134.4
Corporate and other unallocated costs (7.0) (7.0)
Underlying operating profit 128.3 127.4
Amortisation of acquired intangibles (69.6) (76.8)
Remeasurement of contingent consideration 0.1
Expenses relating to Brexit (0.9)
Fair value uplift of inventory acquired through business combinations (5.1)
Rationalisation of manufacturing organisation (2.2) (2.0)
Expenses relating to acquisitions and subsequent integration activities (4.3) (3.7)
Total operating profit 52.2 39.0
Finance income 3.0 0.7
Finance expense (14.0) (11.5)
Share of losses in investment accounted for using the equity method (0.3) (0.4)
Profit before taxation 40.9 27.8
Total liabilities by segment
European Pharmaceuticals (110.3) (80.9)
NA Pharmaceuticals (53.1) (44.0)
Pharmaceuticals Research and Development (5.1) (2.1)
Segment liabilities (168.5) (127.0)
Corporate loans and revolving credit facility (340.0) (308.1)
Corporate accruals and other payables (3.4) (6.5)
Current and deferred tax liabilities * (88.2) (90.8)
(600.1) (532.4)
Revenue by product category
CAP 361.6 340.2
Equine 36.4 34.4
FAP 74.8 57.3
Nutrition 28.6 29.1
Other 13.7 20.8
515.1 481.8
Additions to intangible non-current assets by segment (including through business combinations)
European Pharmaceuticals * 22.3 42.2
NA Pharmaceuticals 47.5
Pharmaceuticals Research and Development 0.4 0.3
Corporate and central costs 1.5 0.5
71.7 43.0

* Restated as detailed in note 31 Acquisitions.

2020
£m
2019
£m
Additions to Property, Plant and Equipment by segment
(including through business combinations)
European Pharmaceuticals 12.1 17.4
NA Pharmaceuticals 4.3 0.3
Pharmaceuticals Research and Development 0.7 0.4
Corporate and central costs 0.2 0.1
17.3 18.2
Depreciation and amortisation by segment
European Pharmaceuticals 64.1 68.1
NA Pharmaceuticals 18.5 17.8
Pharmaceuticals Research and Development 0.5 0.3
Corporate and central costs 0.7 0.4
83.8 86.6
The total depreciation and amortisation charge is made up of the following:
Non-underlying
Amortisation – selling, general and administrative expenses 63.9 70.0
Amortisation – research and development expenditure 5.7 6.8
69.6 76.8
Underlying
Amortisation 4.3 4.1
Depreciation 9.9 5.7
14.2 9.8

Geographical Information

The following table shows revenue based on the geographical location of customers and non-current assets based on the country of domicile of the entity holding the asset:

2020
Revenue
£m
2020
Non-
current
assets
£m
2019
Revenue
£m
Restated*
2019
Non-
current
assets
£m
UK 45.0 30.4 56.4 20.1
Germany 53.9 2.8 48.2 3.7
Rest of Europe 173.8 419.8 163.5 443.8
USA 181.9 213.2 169.1 175.8
Rest of World 60.5 122.5 44.6 106.6
515.1 788.7 481.8 750.0

* Restated as detailed in note 31 Acquisitions.