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首页> 中文期刊> 《农业科学学报：英文版》 >Hepatic Lipogenesis Associated with Biochemical Changes in Overfed Landaise Geese and China Xupu Geese

Hepatic Lipogenesis Associated with Biochemical Changes in Overfed Landaise Geese and China Xupu Geese

         
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摘要

This experiment studied hepatic lipogenesis associated with biochemical changes in overfed Landaise Geese and ChinaXupu geese. Twenty healthy male Landaise geese and 20 healthy male Xupu geese, hatched on the same day under thesame feeding conditions, were selected as experimental animals. The animals were divided into two groups and each breedserved as an experimental group. Per goose of per experimental group served for a repeat. Brown rice was selected as testdiet. After overfeeding for 21 d and then slaughtering, the biochemical changes of hepatic lipogenesis in the geneticsusceptibility to fatty liver were evaluated. These results showed that (1) the weight of fatty liver of the two breeds ofgeese were 801 and 375 g (P 0.05) was found; (2) in these two breeds of geese, there were no differences on very-low-density lipoprotein (VLDL), cholesteryl esters (CE) (P < 0.05), free cholesterol (FC), triglycerides (TG), phospholipids (PL)and protein (P < 0.05); (3) there were no differences on activities of malic enzyme (ME), glucose-6-phosphatedehydrogenase(G6PDH), acetyl-CoA-carboxylas (ACX), fatty acid synthase (FAS), and mRNA level of ME in the two experimental breedsof geese groups (P < 0.05); (4) test in Landaise geese group showed that there was no significant correlation with thespecific enzymatic activities, while in Xupu geese group, the liver weight was negatively correlated to the specific activityof ACX and positively to that of ME; (5) in these overfed geese, ME activity appeared to be a major factor involved in thegenetic susceptibility to hepatic steatosis and it determined the hepatic lipogenesis capacity.

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