Weanling sex, fasting duration, mass, endogenous glucose production and glucose cycle activity % change in mass for all seals during early and late fasting periods
| . | . | Early fasting . | . | . | . | . | . | Late fasting . | . | . | . | . | . | . | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seal . | Sex . | Fasting duration . | Mass . | Plasma [glucose] . | EGP . | GCA . | pGCA . | Fasting duration . | Mass . | Plasma [glucose] . | EGP . | GCA . | pGCA . | Change in mass (%) . | |||||||||||
| 1 | M | 20 | 120 | 181.0 | 2.14 | -0.045 | -2.1 | 60 | 98 | 152.0 | 2.14 | 0.060 | 2.8 | 18.3 | |||||||||||
| 2 | F | 20 | 105 | 144.0 | 2.42 | 0.205 | 8.5 | 56 | 88 | 154.7 | 2.19 | 0.475 | 21.7 | 16.2 | |||||||||||
| 3 | M | 17 | 127 | 164.3 | 2.83 | 0.111 | 3.9 | 51 | 106 | 135.8 | 2.09 | 0 | 0 | 16.5 | |||||||||||
| 4 | M | 16 | 87 | 143.0 | 3.42 | 0.360 | 10.5 | 52 | 71 | 135.0 | 2.25 | 0.317 | 14.1 | 18.4 | |||||||||||
| 5 | M | 16 | 129 | 159.3 | 2.16 | 0.372 | 17.3 | 49 | 105 | 138.0 | 2.16 | 0.471 | 21.8 | 18.6 | |||||||||||
| 6 | M | 12 | 111 | 153.8 | 3.18 | 0.680 | 21.4 | 37 | 91 | 145.8 | 2.43 | 0.002 | 0.1 | 18.0 | |||||||||||
| 7 | F | 14 | 83 | 137.0 | 3.75 | 0.764 | 20.4 | ||||||||||||||||||
| 8 | M | 14 | 91 | 131.5 | 3.56 | 0.662 | 18.6 | ||||||||||||||||||
| 9 | F | 19 | 95 | 168.7 | 1.91 | 0.270 | 14.2 | ||||||||||||||||||
| 10 | M | 19 | 89 | 161.7 | 2.62 | 0.234 | 8.9 | ||||||||||||||||||
| Mean | 17 | 104 | 154.4 | 2.80 | 0.361 | 12.2 | 51 | 93 | 143.5 | 2.21 | 0.221 | 10.1 | 17.7 | ||||||||||||
| s.e.m. | 2.8 | 17.2 | 15.5 | 0.65 | 0.265 | 7.6 | 7.8 | 13.0 | 8.5 | 0.12 | 0.228 | 10.4 | 1.0 | ||||||||||||
| . | . | Early fasting . | . | . | . | . | . | Late fasting . | . | . | . | . | . | . | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seal . | Sex . | Fasting duration . | Mass . | Plasma [glucose] . | EGP . | GCA . | pGCA . | Fasting duration . | Mass . | Plasma [glucose] . | EGP . | GCA . | pGCA . | Change in mass (%) . | |||||||||||
| 1 | M | 20 | 120 | 181.0 | 2.14 | -0.045 | -2.1 | 60 | 98 | 152.0 | 2.14 | 0.060 | 2.8 | 18.3 | |||||||||||
| 2 | F | 20 | 105 | 144.0 | 2.42 | 0.205 | 8.5 | 56 | 88 | 154.7 | 2.19 | 0.475 | 21.7 | 16.2 | |||||||||||
| 3 | M | 17 | 127 | 164.3 | 2.83 | 0.111 | 3.9 | 51 | 106 | 135.8 | 2.09 | 0 | 0 | 16.5 | |||||||||||
| 4 | M | 16 | 87 | 143.0 | 3.42 | 0.360 | 10.5 | 52 | 71 | 135.0 | 2.25 | 0.317 | 14.1 | 18.4 | |||||||||||
| 5 | M | 16 | 129 | 159.3 | 2.16 | 0.372 | 17.3 | 49 | 105 | 138.0 | 2.16 | 0.471 | 21.8 | 18.6 | |||||||||||
| 6 | M | 12 | 111 | 153.8 | 3.18 | 0.680 | 21.4 | 37 | 91 | 145.8 | 2.43 | 0.002 | 0.1 | 18.0 | |||||||||||
| 7 | F | 14 | 83 | 137.0 | 3.75 | 0.764 | 20.4 | ||||||||||||||||||
| 8 | M | 14 | 91 | 131.5 | 3.56 | 0.662 | 18.6 | ||||||||||||||||||
| 9 | F | 19 | 95 | 168.7 | 1.91 | 0.270 | 14.2 | ||||||||||||||||||
| 10 | M | 19 | 89 | 161.7 | 2.62 | 0.234 | 8.9 | ||||||||||||||||||
| Mean | 17 | 104 | 154.4 | 2.80 | 0.361 | 12.2 | 51 | 93 | 143.5 | 2.21 | 0.221 | 10.1 | 17.7 | ||||||||||||
| s.e.m. | 2.8 | 17.2 | 15.5 | 0.65 | 0.265 | 7.6 | 7.8 | 13.0 | 8.5 | 0.12 | 0.228 | 10.4 | 1.0 | ||||||||||||
Fasting duration, days; mass, kg; plasma [glucose] (mg dl-1);endogenous glucose production (EGP), mg glucose kg-1min-1; glucose cycle activity (GCA), mg glucose kg-1min-1; pGCA, glucose cycle activity relative to glucose production(%).