饲粮胆碱水平对绍兴鸭脂质代谢的影响

doi:10.11843/j.issn.0366-6964.2014.02.010

Abstract

Abstract:

This experiment was conducted to study the effects of different choline levels on cholesterol and crude fat in liver，muscle and egg，fatty acids in liver，muscle，biochemical indicators in blood of Shaoxing ducks，and to explore the optimal choline level in the diet of laying ducks．The single factor randomly group design was used in this study.540 (during the initial egg-laying period) Shaoxing ducks were randomly assigned to 5 dietary trearments.Each treatment consisted of 6 replicates with 18 birds per replicate.The experiment lasted for 20 weeks． Five groups were supplemented with 0,250,500,750 and 1 000 mg·kg^-1 choline chloride in the basal diets，respectively．The results showed as follows：1) Compared to the control group，supplemental choline significantly reduced cholesterol and crude fat in liver and muscle (P<0.05)；diets with choline did not affect the liver weight/duck weight and muscle weight/duck weight (P>0.05).2) Compared to the control，with the increase of choline levels in diet cholesterol in egg significantly decreased (P<0.05)，crude fat in egg significantly increased(P<0.05).3)Supplemental choline significantly decreased content of saturated fatty acids(SFA) in liver and breast muscle(P<0.01)；significantly improved content of monounsaturated fatty acids(MUFA) and polyunsaturated fatty acids(PUFA) in liver，breast muscle(P<0.01).4)Choline had no significant effects on LPS，Ch，VLDL，LDL-C，HDL-C，TG，PL，NEFA，T-CHO，AKP in blood.The results suggest that supplementing the diet with choline reduces cholesterol and crude fat content in liver，muscle and egg，decrease SFA content in liver and muscle，and improve MUFA，PUFA content in liver，muscle.

CLC Number:

S815.5

MA Wei-ying，WANG Shuang，SHEN Jun-da，LIN Ying-cai，XU Yi-hu，LUO Qiu-jiang，LU Li-zhi. Effect of Choline Level in Diet on Lipid Metabolism in Shaoxing Ducks during the Initial Egg-laying Period[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2014, 45(2): 233-242.

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Effect of Choline Level in Diet on Lipid Metabolism in Shaoxing Ducks during the Initial Egg-laying Period

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