Leptin, ghrelin and IGF-1 were measured in sonicated defatted milk (morning and evening milkings) and in plasma (before feeding, 1 and 4 h after feeding) in 17 Saanen goats in midlactation. Leptin and ghrelin were positively correlated and were twice/thrice more concentrated in milk than in plasma. Plasma IGF-1 level was 7-fold higher than in milk with high correlation (r=+0.84; P<0.01). During the periprandial period (immediately prefeeding, 1 and 4-h postfeeding) plasma leptin and IGF-1 levels did not change significantly, while plasma ghrelin level was significantly lower 1 h after feeding.
Bioactive components in goat milk and plasma / F. Rosi, L. Rapetti. - In: JOURNAL OF ANIMAL AND FEED SCIENCES. - ISSN 1230-1388. - 13:Suppl. 1(2004), pp. 701-704.
Bioactive components in goat milk and plasma
F. RosiPrimo
;L. RapettiUltimo
2004
Abstract
Leptin, ghrelin and IGF-1 were measured in sonicated defatted milk (morning and evening milkings) and in plasma (before feeding, 1 and 4 h after feeding) in 17 Saanen goats in midlactation. Leptin and ghrelin were positively correlated and were twice/thrice more concentrated in milk than in plasma. Plasma IGF-1 level was 7-fold higher than in milk with high correlation (r=+0.84; P<0.01). During the periprandial period (immediately prefeeding, 1 and 4-h postfeeding) plasma leptin and IGF-1 levels did not change significantly, while plasma ghrelin level was significantly lower 1 h after feeding.
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