文档介绍：Comp. Biochem. Physiol. Vol. 93B, No. 4, pp. 773-779, 1989 0305-0491/89 $ +
Printed in Great Britain © 1989 PergamonPress plc
DE NO VO LIPOGENESIS AND LIPOLYSIS ACTIVITIES IN
NORMAL (Dw) AND DWARF (dw) WHITE LEGHORN
LAYING HENS
C. BURGHELLE-MAYEUR,* M. TIXIER-BOICHARD,~P. MERATt and Y. DEMARNE*
*Station de Recherches de Nutrition, INRA-CRJ, Domaine de Vilvert 78350 Jouy-en-Josas, France
(Tel: (161) 3465 2318); and fLaboratoire de G6n6tique Factorielle, INRA-CRJ, Domaine de Vilvert 78350
Jouy-en-Josas, France
(Received 28 November 1988)
Abstract--1. In vitro activities of glucose oxidation, de novo lipogenesis and lipolysis pared in
normal (Dw) and dwarf (dw) laying hens.
2. Dwarfism reduced the hepatic glucose oxidation while de novo lipogenesis was not altered. As liver
weight was depressed, total liver lipogenesis capacity was probably reduced by dwarfism.
3. pared to normal hens, de novo lipogenesisand basal or stimulated lipolysiswere lower in dwarf
adipose tissue while its lipid content was enhanced in dwarfs.
4. Results suggest that in laying hens dwarfism reduces the adipose tissue lipid mobilization but probably
also the liver de novo lipogenesis.
INTRODUCTION responses in normal and dwarf hens, different hor-
monal stimuli, mainly lipogenic and lipolytic agents
The sex-linked dwarfing gene (dw) is known