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Table 1.

Changes of body compositions in non-reproductive and lactating females exposed to 23°C and 5°C

Non-reproductive
Lactating
Statistical summary
Parameters23°C5°C23°C5°CTLT×L
Body mass (g) 49.9±2.0b 49.1±1.0b 57.3±1.8a 55.0±1.4a ns <0.001 <0.05 
Wet carcass mass (g) 35.3±0.9a 34.5±1.0a 36.5±0.9b 32.9±0.9c <0.01 <0.001 ns 
Dry carcass mass (g) 18.0±0.8a 17.8±1.1a 15.6±0.6b 13.3±0.5b ns <0.001 ns 
Water of carcass (g) 17.2±0.7a,b 16.7±0.3a 21.0±0.6c 19.6±0.6b 0.059 <0.001 ns 
Fat free dry mass (g) 7.8±0.2 7.7±0.5 8.8±0.2 7.7±0.2 ns ns ns 
Body fat mass (g) 10.2±0.9a 10.0±1.0a 6.8±0.5b 5.6±0.4b ns <0.001 ns 
Body fat content (%) 55.7±3.0a 55.8±3.4a 43.2±1.8b 41.8±2.0b ns <0.001 ns 
Non-reproductive
Lactating
Statistical summary
Parameters23°C5°C23°C5°CTLT×L
Body mass (g) 49.9±2.0b 49.1±1.0b 57.3±1.8a 55.0±1.4a ns <0.001 <0.05 
Wet carcass mass (g) 35.3±0.9a 34.5±1.0a 36.5±0.9b 32.9±0.9c <0.01 <0.001 ns 
Dry carcass mass (g) 18.0±0.8a 17.8±1.1a 15.6±0.6b 13.3±0.5b ns <0.001 ns 
Water of carcass (g) 17.2±0.7a,b 16.7±0.3a 21.0±0.6c 19.6±0.6b 0.059 <0.001 ns 
Fat free dry mass (g) 7.8±0.2 7.7±0.5 8.8±0.2 7.7±0.2 ns ns ns 
Body fat mass (g) 10.2±0.9a 10.0±1.0a 6.8±0.5b 5.6±0.4b ns <0.001 ns 
Body fat content (%) 55.7±3.0a 55.8±3.4a 43.2±1.8b 41.8±2.0b ns <0.001 ns 

Values are means ± s.e.m. (N=8)

Values for a specific parameter that share different superscripts are significantly different at P<0.05, determined by a two-way ANCOVA and LSD post-hoc tests

T, temperature; L, lactation; ns, not significant

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