Seasonal variations in the energy budget of Elliot’s pheasant ( Syrmaticus ellioti ) in cage
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Kunming Institute of Zoology, Chinese Academy of Sciences
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This study aimed to discuss the energy budget of Elliot’s
pheasant Syrmaticus ellioti in different seasons, with life and
health, good growth and normal digestion of Elliot’s pheasant as
the tested objects, The energy budget of Elliot’s pheasant was
measured by daily collection of the trial pheasants’ excrement in
the biological garden of Guangxi Normal University from March 2011 to
February 2012. The results showed that the gross energy consumption,
metabolic energy and excrement energy varied by season, increasing as
temperature decreased. There was significant difference in gross energy
consumption, metabolic energy, excrement energy between adults and
nonages. There was also a trend that food digestibility of pheasants
increases as temperature increases. In the same season, the food
digestibility of adults was better than that of nonages. Throughout
spring, summer, autumn and winter, the metabolic energy of 4-year
adults were 305.77±13.40 kJ/d, 263.67±11.89 kJ/d,
357.23±25.49 kJ/d and 403.12± 24.91 kJ/d, respectively, and
the nonages were 284.86±17.22 kJ/d, 284. 66±15.16 kJ/d, 402.
26±31.46 kJ/d and 420. 30±31.98 kJ/d, respectively. The
minimum metabolic energies were 247.65±21.81 g, 265.86±26.53
g, respectively for each group, detected between 4-year adults and
1-year nonages. Further study is needed to determine whether 29.6 C is
the optimal temperature for the Elliot’s pheasant.
Keywords
Elliot’s pheasants; Energy budget; Seasonal variations
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