# The Welfare of Farmed Animals (England) Regulations 2007, Paragraph 10: Additional dietary requirements


(1) All calves must be provided with food which contains sufficient iron to ensure a blood haemoglobin level of at least 4.5 mmol/litre.
(2) A minimum daily ration of fibrous food must be provided for each calf over 2 weeks old, the quantity being raised in line with the growth of the calf from a minimum of 100g at 2 weeks old, to a minimum of 250g at 20 weeks old.

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Source: https://www.legislation.gov.uk/ukdsi/2007/9780110773612/schedule/6/paragraph/10 (the official version)
Page: https://openlegislation.uk/draft-welfare-of-farmed-animals-england-regulations-2007/schedule-6/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.