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Table 4.

Changes of energy intake in non-reproductive and lactating females exposed to 23°C and 5°C

Non-reproductive
Lactating
Statistical summary
Parameters23°C5°C23°C5°CTLT×L
DFI (g day–17.3±0.3d 10.0±0.3c 15.9±1.0b 18.5±0.8a <0.001 <0.001 ns 
GEI (kJ day–1124.1±5.5d 168.9±5.6c 269.6±16.4b 313.7±13.0a <0.001 <0.001 ns 
DEI (kJ day–175.7±3.0c 107.2±3.6b 178.9±13.6a 197.4±8.6a <0.001 <0.001 <0.05 
Digestibility (%) 61.2±0.5b 63.6±1.5b 65.9±1.3a 62.9±0.8b ns ns <0.05 
Non-reproductive
Lactating
Statistical summary
Parameters23°C5°C23°C5°CTLT×L
DFI (g day–17.3±0.3d 10.0±0.3c 15.9±1.0b 18.5±0.8a <0.001 <0.001 ns 
GEI (kJ day–1124.1±5.5d 168.9±5.6c 269.6±16.4b 313.7±13.0a <0.001 <0.001 ns 
DEI (kJ day–175.7±3.0c 107.2±3.6b 178.9±13.6a 197.4±8.6a <0.001 <0.001 <0.05 
Digestibility (%) 61.2±0.5b 63.6±1.5b 65.9±1.3a 62.9±0.8b ns ns <0.05 

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

DFI, dry food intake; GEI, gross energy intake; DEI, digestible energy intake; T, temperature; L, lactation; ns, not significant

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