PARNUT Entry 56: Reduction of the risk of tetany (hypomagnesaemia)
Particular nutritional purpose: Reduction of the risk of tetany (hypomagnesaemia)
Species or category of animal: Ruminants
Essential nutritional characteristics: High level of magnesium, easily available carbohydrates, moderate level of protein and low level of potassium
Recommended length of time: 3 to 10 weeks during periods of fast grass growth
Labelling declarations: — Starch — Sugars (total) — Magnesium — Sodium — Potassium
Other provisions: 1. Application in the form of bolus is allowed. A bolus may contain up to 20 % iron in an inert, non-bioavailable form, in order to increase its density. 2. In the instructions for proper use guidance shall be provided on the balance of the daily ration, with regard to the inclusion of fibre and easily available energy sources. 3. In the case of feed for ovines indicate on the labelling: ‘Especially for lactating ewes.’
Source: Commission Regulation (EU) 2020/354, Annex, Part B, entry 56 — EUR-Lex consolidated version 2025-04-22 (CELEX:02020R0354).