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Titolo:
Blood leptin concentrations in Japanese Black cattle
Autore:
Tokuda, T; Yano, H;
Indirizzi:
Kyoto Univ, Grad Sch Agr, Div Appl Biosci, Anim Nutr Lab,Sakyo Ku, Kyoto 6068502, Japan Kyoto Univ Kyoto Japan 6068502 m Nutr Lab,Sakyo Ku, Kyoto 6068502, Japan
Titolo Testata:
ANIMAL SCIENCE
, volume: 72, anno: 2001,
parte:, 2
pagine: 309 - 313
SICI:
1357-7298(200104)72:<309:BLCIJB>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
CENTRAL NEURAL NETWORKS; OBESE GENE; ADIPOSE-TISSUE; BODY-WEIGHT; OB PROTEIN; HUMANS; RADIOIMMUNOASSAY; EXPRESSION; SIGNAL; GENDER;
Keywords:
beef cattle; finishing; leptin;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Yano, H Kyoto Univ, Grad Sch Agr, Div Appl Biosci, Anim Nutr Lab,Sakyo Ku,Kyoto 6068502, Japan Kyoto Univ Kyoto Japan 6068502 ab,Sakyo Ku, Kyoto 6068502, Japan
Citazione:
T. Tokuda e H. Yano, "Blood leptin concentrations in Japanese Black cattle", ANIM SCI, 72, 2001, pp. 309-313

Abstract

The objective of this study was to examine the changes of serum leptin levels in heifers and steers during fattening. Seven steers and seven heifers at 14 months of age were used in the experiment. Line weight and serum leptin levels were determined at 2-month intervals, initial live weight was greater in steers than heifers and a similar trend of growth was recorded during the experiment. As a result, live weight was higher in the steers than in the heifers during the experiment. Serum leptin concentration in both groups increased during the experiment and reached optimum level at 22 months of age and did not change thereafter. The increase in serum leptin level was more marked in heifers and leptin level was higher (P < 0.05) in heifers than steers between 18 and 26 months of age. The results suggest that serumleptin level increases during fattening in cattle and the trend is possibly affected by gender.

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Documento generato il 19/01/20 alle ore 00:54:28