Effects of photoperiod and temperature on the body mass, thermogenesis, and serum leptin levels of Apodemus draco (Rodentia: Muridae) in the Hengduan Mountain region, China

Zoological Studies

Table 3 Effects of photoperiod and temperature on dry organ masses of A. draco

Parameter	SD-cold (n= 10)	SD-warm (n= 10)	LD-cold (n= 10)	LD-warm (n= 10)
Heart (g)	0.046 ± 0.001 a	0.043 ± 0.005 a	0.043 ± 0.002 a	0.044 ± 0.002 a
Lungs (g)	0.070 ± 0.001 a	0.068 ± 0.001 a	0.069 ± 0.001 a	0.070 ± 0.001 a
Liver (g)	0.502 ± 0.045 a	0.410 ± 0.026 b	0.483 ± 0.020 a	0.395 ± 0.016 b
Kidneys (g)	0.043 ± 0.001 a	0.042 ± 0.001 a	0.042 ± 0.001 a	0.040 ± 0.001 a
Spleen (g)	0.005 ± 0.001 a	0.004 ± 0.001 a	0.004 ± 0.001 a	0.004 ± 0.001 a
Stomach (g)	0.096 ± 0.011 a	0.096 ± 0.018 a	0.094 ± 0.014 a	0.093 ± 0.014 a
Small intestine (g)	0.033 ± 0.002 a	0.028 ± 0.007 b	0.030 ± 0.002 a	0.029 ± 0.003 b
Cecum (g)	0.046 ± 0.002 a	0.045 ± 0.003 a	0.045 ± 0.004 a	0.044 ± 0.005 a
Large intestine (g)	0.044 ± 0.003 a	0.043 ± 0.003 a	0.045 ± 0.007 a	0.045 ± 0.007 a

Different lowercase letters in a given row indicate a significant difference (p < 0.05). SD, short photoperiod; LD, long photoperiod.