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Titolo:
The relationships between leptin and insulin in blood plasma of growing lambs
Autore:
Tokuda, T; Kimura, D; Fujihara, T;
Indirizzi:
Tottori Univ, United Grad Sch Agr Sci, Tottori 6808553, Japan Tottori Univ Tottori Japan 6808553 d Sch Agr Sci, Tottori 6808553, Japan Shimane Univ, Fac Life & Environm Sci, Lab Anim Sci, Matsue, Shimane 6908504, Japan Shimane Univ Matsue Shimane Japan 6908504 Matsue, Shimane 6908504, Japan
Titolo Testata:
ANIMAL SCIENCE
, volume: 73, anno: 2001,
parte:, 1
pagine: 71 - 76
SICI:
1357-7298(200108)73:<71:TRBLAI>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
ADIPOSE-TISSUE; FOOD-INTAKE; OBESE GENE; SHEEP; SECRETION; PROTEIN; GROWTH; SIGNAL; WEIGHT; GENDER;
Keywords:
growth; insulin; lambs; leptin;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Fujihara, T Tottori Univ, United Grad Sch Agr Sci, Tottori 6808553, Japan Tottori Univ Tottori Japan 6808553 i, Tottori 6808553, Japan
Citazione:
T. Tokuda et al., "The relationships between leptin and insulin in blood plasma of growing lambs", ANIM SCI, 73, 2001, pp. 71-76

Abstract

The present study was designed to examine the pattern of changes in plasmaleptin concentration during the early stage of young ruminants. Five crossbred lambs weaned at 45 days were housed individually in pens. The lambs were offered timothy hay, rolled barley and soya-bean meal to meet a 200 g daily gain, and were given free access to water and mineral block. Blood samples were collected just before the morning feeding and at 30-min intervals for 6 h after the morning feeding beginning at 0.5 months after weaning andthereafter monthly for the next 6 months. Plasma leptin level increased dramatically from 0.5 to 3 months after weaning. Thereafter, it dropped to a similar level to that at 2 months after weaning and remained at that level. Moreover, plasma leptin level was not affected by feeding, and no variation throughout the day of sampling was observed. Plasma insulin levels showedsimilarity to changes in plasma leptin levels. Plasma insulin levels were positively correlated (r = 0.63) with plasma leptin levels. This study shows that plasma leptin level dramatically increases after weaning. Additionally, it suggests that insulin contributes to the increase of leptin with growth in lambs.

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Documento generato il 22/01/20 alle ore 06:56:32