Table 4

Average NEFA, IGF-I and leptin plasma levels in the two groups of cows during the period of observation
Week from calving
 -1
 1
 2
 3
 4
 5
 6
 7
 S.E.
 P






















ovarian resumption
 day
 ovarian resumption × day
NEFA (mEq/l)
 A
 155
 299
 255
 244
 214
 236
 144
 134
 44.11
 NS
 **
 NS

B
 119
 328
 319
 138
 142
 134
 160
 130



IGF-I (ng/ml)
 A
 128
 86a
 66a
 94
 69
 90
 86
 86
 15.1
 **
 **
 NS

B
 106
 37b
 19b
 56
 42
 52
 57
 52



Leptin (ng/ml)
 A
 3.5
 3.2
 3.4
 3.6
 3.4
 3.3
 3.4
 3.4
 0.43
 NS
 NS
 NS

B
 3.3
 3.5
 4.4
 4.2
 4.4
 4.3
 3.8
 3.8



a,b P – value < 0.05.

** P – value < 0.01

Konigsson et al. Acta Veterinaria Scandinavica 2008 50:3   doi:10.1186/1751-0147-50-3