Table 1 Body and relative organ masses, food intake, circulating levels of total T₃, triglyceride, NEFA and tissue mitochondrial content in thermoneutral controls, cold-acclimated, hypothyroid or T₃-treated ducklings.

0.50 ± 0.03^ac

1.63 ± 0.08

1.51 ± 0.09

1.36 ± 0.07^ab

88 ± 5^ac

106 ± 3

139 ± 4^ab

146 ± 8^ab

1.5 ± 0.1

1.4 ± 0.03

1.5 ± 0.1

1.2 ± 0.1

8.3 ± 0.4^ac

3.2 ± 0.2

3.3 ± 0.1

4.9 ± 0.3^abc

0.17 ± 0.02^ac

1.7 ± 0.2

3.8 ± 0.6^a

36.1 ± 1.8^abc

8.4 ± 0.2

2.7 ± 0.3^b

1.7 ± 0.2^b

1.5 ± 0.3^b

1.99 ± 0.15^ac

0.71 ± 0.03

0.93 ± 0.05^a

0.81 ± 0.15^b

16.0 ± 1.1^ac

32.6 ± 1.8

45.1 ± 2.3^a

49.8 ± 4.2^ab

117 ± 17^ac

225 ± 16

243 ± 13

173 ± 11^abc