SHORT COMMUNICATION
Effect of age on methane emissions of red deer stags from weaning until one year of age grazing pasture
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1
Institute of Veterinary, Animal and Biomedical Sciences, Massey University, PB 11-222, Palmerston North, New Zealand
 
2
Rumen, Nutrition and Welfare Section, Food & Health, AgResearch Limited, Grasslands Research Centre
 
 
Publication date: 2007-09-17
 
 
Corresponding author
S. O. Hoskin   

Institute of Veterinary, Animal and Biomedical Sciences, Massey University, PB 11-222, Palmerston North, New Zealand
 
 
J. Anim. Feed Sci. 2007;16(Suppl. 2):598-603
 
KEYWORDS
ABSTRACT
The aim of this study was to determine if methane emissions from young farmed deer increase with age. Methane emissions of 20 red deer stags grazing permanent perennial rye grass-based pasture were measured four times post-weaning, at 4.5, 6.5, 9 and 11.5 months of age, using the sulphur hexafluoride technique. Methane production and methane yield increased with age (P<0.05) and appeared lower (26%) than previous measurements from adult deer on similar pasture. These results imply that total methane emissions from young deer recorded in the New Zealand Greenhouse Gas Inventory are likely to be overestimated if values are based on adult methane emissions only.
ISSN:1230-1388
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