RESEARCH PAPER

Effects of Pine Bark Extract on Growth Performance, Slaughter Performance, Meat Quality and Antioxidant Capacity of Broilers

  • PAN Lingfeng ,
  • WANG Ying ,
  • WU Xiaosong ,
  • JIANG Xiaofeng ,
  • YIN Yulong
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  • 1. Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
    2. Hunan Perfly Biotech Co., Ltd., Changsha 410011, China

Received date: 2021-12-15

  Online published: 2022-07-14

Abstract

This experiment was conducted to investigate the effects of pine bark extract on growth performance, slaughter performance, meat quality and antioxidant capacity of broilers. A total of 252 healthy Wenshi Tianlu Black Wu broilers of one-day-old were randomly divided into 3 groups with 6 replicates per group and 14 broilers per replicate (half male and half female) using a single factor experiment design. Broilers in the control group were fed a basal diet, and those in the low-dose pine bark extract group and high-dose pine bark extract group were fed the basal diet supplemented with 250 and 1 000 mg/kg pine bark extract, respectively. The experiment lasted for 51 days. The results showed that, compared with the control group, the supplementation of 250 mg/kg pine bark extract significantly increased the average daily gain (P<0.05), significantly decreased the abdominal fat rate (P<0.05), significantly increased the pH of leg muscle at 45 min (P<0.05), and significantly decreased the water loss rate and malondialdehyde (MDA) content of leg muscle as well as the drip loss of breast muscle of broilers (P<0.05); the supplementation of 250 mg/kg pine bark extract significantly increased the contents of high-density lipoprotein cholesterol (HDL-C) and albumin (ALB) in serum (P<0.05), and significantly decreased the content of low-density lipoprotein cholesterol (LDL-C) in liver of broilers (P<0.05); the supplementation of 1 000 mg/kg pine bark extract significantly decreased the serum triglyceride (TG) content (P<0.05), and significantly increased the serum contents of free fatty acid (FFA), HDL-C and ALB of broilers (P<0.05). In conclusion, dietary 250 mg/kg pine bark extract can improve the growth performance, enhance antioxidant capacity, and improve the lipid metabolism and meat quality of broilers.

Cite this article

PAN Lingfeng , WANG Ying , WU Xiaosong , JIANG Xiaofeng , YIN Yulong . Effects of Pine Bark Extract on Growth Performance, Slaughter Performance, Meat Quality and Antioxidant Capacity of Broilers[J]. Chinese Journal of Animal Nutrition, 2022 , 34(7) : 4340 -4348 . DOI: 10.3969/j.issn.1006-267x.2022.07.025

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