Use this URL to cite or link to this record in EThOS: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491837
Title: Effects of level and form of dietary zinc on performance, health and digestibility in dairy cows
Author: Cope, Carolyn Mary
ISNI:       0000 0001 3562 5113
Awarding Body: Harper Adams University College
Current Institution: Harper Adams University
Date of Award: 2008
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Abstract:
Experiments were carried out in order to determine the effects of level and form of dietary zinc (Zn) on performance, health and digestibility in dairy cows and metabolism in vitro. In experiment 1, four concentrates vere formulated to provide cattle with recommended level of Zn in either an organic (Bioplex Zn; Alltech Inc., Nicholasville USA) or inorganic (zinc oxide (ZnO); Rumenco, Staffordshire, UK) form or 0.66 of the recommended level again in either form. By supplementing Zn at the recommended level with background levels in the basal diet taken into consideration, a reduction in SCC and milk amyloid A was observed compared to the lower level, whilst supplementing in an organic form at the recommended level increased milk yield. Experiment 2 used the same basal ration and concentrates as experiment 1 to assess the effects of level and form of Zn on digestion and apparent absorption.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.491837  DOI: Not available
Keywords: Dairy cattle
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