SHORT COMMUNICATION
Impact of the methane-suppressing feed additive myristic acid on energy and calcium balance of sheep
 
 
 
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Institute of Animal Science, Animal Nutrition, Swiss Federal Institute of Technology Zurich, ETH Zentrum/LFW, CH-8092 Zurich, Switzerland
 
 
Publication date: 2004-08-30
 
 
Corresponding author
A. Machmüller   

Institute of Animal Science, Animal Nutrition, Swiss Federal Institute of Technology Zurich, ETH Zentrum/LFW, CH-8092 Zurich, Switzerland
 
 
J. Anim. Feed Sci. 2004;13(Suppl. 1):151-154
 
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ABSTRACT
The impact of feeding myristic acid (C14:0; 50 g/kg DM) to sheep was investigated in a 6×6 Latin square arrangement. C14:0 was supplemented to two control diets (forage:concentrate ratios of 1:1.5 and 1:0.5) which were adjusted to different dietary Ca contents (4.2 or 9.0 g/kg DM). In combination with the concentrate-based diet, C14:0 reduced methane energy loss by more than 50% but reduced Ca availability of the animals while the additional Ca supply improved Ca and energy retention. Supplementing C14:0 to the forage-based diet did not affect Ca availability and resulted in highest feed energy utilization.
 
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ISSN:1230-1388
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