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Yinghui Bao,Chunqi Gao,Wenbo Hao,Cheng Ji,Lihong Zhao,Jianyun Zhang,Tao Liu,Qiugang Ma 아세아·태평양축산학회 2015 Animal Bioscience Vol.28 No.10
The present study was conducted to determine the effects of L-carnosine (LC) and/or alpha-lipoic acid (ALA) supplementation on growth performance, blood thyroid hormones and lipid profiles in finishing pigs. A total of 40 (Landrace×Yorkshire) pigs with an initial body weight of 57.93±3.14 kg were randomly allocated to 4 experimental diets using a 2×2 factorial arrangement with 2 LC supplemental levels (0 or 0.1%) and 2 ALA supplemental levels (0 or 0.03%) in basal diets. The results showed that pigs fed LC-supplemented diets increased final live weight, average daily gain, and average daily feed intake compared to those of pigs fed without LC-supplemented diets (p<0.05). Dietary supplementation with ALA did not affect the growth performance and carcass traits of pigs (p>0.05). Additionally, LC supplementation increased serum triiodothyronine, thyroxine levels, and ALA supplementation increased serum triiodothyronine levels (p<0.05). Serum total cholesterol and triglycerides levels were significantly decreased in LC and ALA supplemented groups, respectively (p<0.05). Moreover, serum low density lipoprotein cholesterol levels were lower in the ALAsupplemented groups than those of pigs fed without ALA-supplemented diets (p<0.05). However, no significant LC×ALA interaction effect on growth performance, blood thyroid hormones and lipid profiles was found. This study suggested that dietary supplementation of LC resulted in better growth performance compared to that of ALA supplementation. L-carnosine and/or ALA supplementation positively modified blood lipid profiles, which may have the potential to prevent cardiovascular diseases.
Bao, Yinghui,Gao, Chunqi,Hao, Wenbo,Ji, Cheng,Zhao, Lihong,Zhang, Jianyun,Liu, Tao,Ma, Qiugang Asian Australasian Association of Animal Productio 2015 Animal Bioscience Vol.28 No.10
The present study was conducted to determine the effects of L-carnosine (LC) and/or alpha-lipoic acid (ALA) supplementation on growth performance, blood thyroid hormones and lipid profiles in finishing pigs. A total of 40 ($Landrace{\times}Yorkshire$) pigs with an initial body weight of $57.93{\pm}3.14kg$ were randomly allocated to 4 experimental diets using a $2{\times}2$ factorial arrangement with 2 LC supplemental levels (0 or 0.1%) and 2 ALA supplemental levels (0 or 0.03%) in basal diets. The results showed that pigs fed LC-supplemented diets increased final live weight, average daily gain, and average daily feed intake compared to those of pigs fed without LC-supplemented diets (p<0.05). Dietary supplementation with ALA did not affect the growth performance and carcass traits of pigs (p>0.05). Additionally, LC supplementation increased serum triiodothyronine, thyroxine levels, and ALA supplementation increased serum triiodothyronine levels (p<0.05). Serum total cholesterol and triglycerides levels were significantly decreased in LC and ALA supplemented groups, respectively (p<0.05). Moreover, serum low density lipoprotein cholesterol levels were lower in the ALA-supplemented groups than those of pigs fed without ALA-supplemented diets (p<0.05). However, no significant $LC{\times}ALA$ interaction effect on growth performance, blood thyroid hormones and lipid profiles was found. This study suggested that dietary supplementation of LC resulted in better growth performance compared to that of ALA supplementation. L-carnosine and/or ALA supplementation positively modified blood lipid profiles, which may have the potential to prevent cardiovascular diseases.
Yongbo Bao,Haoping Shen,Huashan Zhou,Yinghui Dong,Zhihua Lin 한국유전학회 2013 Genes & Genomics Vol.35 No.6
Galectins are a family of b-galactoside-binding lectins which play crucial roles in innate immunity of vertebrates and invertebrates. In the present study, we have cloned and characterized the first galectin to be identified in Tegillarca granosa (designated Tg-GAL). The fulllength cDNA of Tg-GAL was of 2,394 bp nucleotides,encoding a polypeptide of 354 amino acids. The amino acid sequence of T. granosa galectin (Tg-GAL) showed striking sequence similarity to invertebrate and vertebrate galectins in carbohydrate recognition domains (CRD) and contained amino acids that are crucial for binding bgalactoside sugars. Structurally, the Tg-GAL was a tandem repeat galectin containing two CRD connected by a unique peptide link. Quantitative real-time PCR was employed to investigate the tissue distribution of Tg-GAL mRNA and temporal expression in haemocytes of clams challenged with Vibrio parahaemolyticus, lipopolysaccharide (LPS)and peptidogylcan (PGN). The Tg-GAL mRAN expression was concentrated in hepatopancreas and mantle. The upregulation of Tg-GAL after bacteria V. parahaemolyticus,LPS and PGN challenge showed that Tg-GAL might play a pivotal role in anti-bacterial immunity. Further study should investigate the effects of Tg-GAL absence by siRNA knockout.