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| Dairy cattle (5) |
| Holstein-Friesian (5) |
| Holstein-fríz (5) |
| Milk production (5) |
| Tejelő tehén (5) |
| Tejtermelés (3) |
| Brydl Endre (supervisor) (2) |
| Feeding (2) |
| Husbandry methods (2) |
| Hőmérséklet (2) |