RESEARCH PAPER

Effects of Insoluble Fiber on Growth Performance and Liver Lipid Metabolism of Young Broilers

  • DING Ranran ,
  • XU Bin ,
  • SUN Quanyou ,
  • XI Yanyan ,
  • JIN Yaoyao ,
  • WANG Linyi ,
  • FU Chen ,
  • WANG Ding ,
  • MA Huihui ,
  • WANG Gaili ,
  • LI Shaoyu
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  • 1. Collage of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China;
    2. Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Science, Zhengzhou 450002, China

Received date: 2021-09-18

  Online published: 2022-05-14

Abstract

This experiment was conducted to investigate the effects of insoluble fiber on growth performance and liver lipid metabolism of young broilers. A total of 360 Arbor Acres (AA) broilers of one-day-old were randomly divided into 3 groups with 6 replicates per group and 20 broilers per replicate. Broilers in the control group were fed a basal diet; those in trial group Ⅰ were fed the basal diet supplemented with 8 kg/t insoluble fiber, and the nutrient levels were the same as those of the basal diet in the control group by adjusting the other ingredient contents; and those in trial group Ⅱ were fed the basal diet extra supplemented with 8 kg/t insoluble fiber. The experiment lasted for 14 days. The results showed as follows:1) compared with the control group, the final weight and average daily gain of broilers from 1 to 14 days of age in trial groups Ⅰ and Ⅱ were significantly decreased (P<0.05), and the ratio of feed to gain was significantly increased (P<0.05); and the average daily feed intake of broilers in trial group Ⅱ was significantly decreased (P<0.05). 2) Compared with the control group, the contents of total cholesterol and triglyceride in serum and liver and abdominal fat percentage of broilers at 14 days of age in trial groups Ⅰ and Ⅱ were significantly decreased (P<0.05); the liver relative weight of broilers in trial group Ⅱ was significantly decreased (P<0.05), but there was no significant difference compared with trial group Ⅰ (P>0.05). 3) Compared with the control group, the mRNA relative expression levels of stearoyl-CoA desaturase 1 (SCD1), malate dehydrogenase (MDH) and apolipoprotein A (ApoA) in liver of broilers in trial groups Ⅰ and Ⅱ were significantly decreased (P<0.05), and the mRNA relative expression levels of apolipoprotein B (ApoB), adipose triglyceride lipase (ATGL) and carnitine palmityl transferase 1 (CPT1) in liver were significantly increased (P<0.05); the mRNA expression levels of lipoprotein lipase (LPL) and peroxisome proliferator-activated receptor γ (PPARγ) in liver of broilers in trial group Ⅰ were significantly increased (P<0.05). It is concluded that dietary insoluble fiber has a negative effect on growth performance of young broilers, but it can reduce fat deposition in liver and body of young broilers by regulating the expression of genes related to liver lipid metabolism.

Cite this article

DING Ranran , XU Bin , SUN Quanyou , XI Yanyan , JIN Yaoyao , WANG Linyi , FU Chen , WANG Ding , MA Huihui , WANG Gaili , LI Shaoyu . Effects of Insoluble Fiber on Growth Performance and Liver Lipid Metabolism of Young Broilers[J]. Chinese Journal of Animal Nutrition, 2022 , 34(5) : 2918 -2927 . DOI: 10.3969/j.issn.1006-267x.2022.05.021

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