scholarly journals Effects of Dietary Bacillus and Non-starch Polysaccharase on the Intestinal Microbiota and the Associated Changes on the Growth Performance, Intestinal Morphology, and Serum Antioxidant Profiles in Ducks

2021 ◽  
Vol 12 ◽  
Author(s):  
Simin Peng ◽  
Xin Wang ◽  
Yuyu Wang ◽  
Tuo Lv ◽  
Haohan Zhao ◽  
...  
Keyword(s):  
Growth Performance ◽  
Early Stage ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Diversity Indices ◽  
Intestinal Morphology ◽  
Control Group ◽  
Enzyme Preparations ◽  
Group I ◽  
Similar Body

Given the desirable results of using probiotics and enzyme preparations as feed supplements in poultry health, here, the effects of Bacillus and Non-starch Polysaccharase (NSPase) on the growth performance, serum antioxidant profiles, and gut microbial communities of early stage ducks is investigated. A total of 400 Zhijiang ducks (of similar body weight and 1 day age) was selected and randomly divided into four groups. The feeding period was 28 days. Each group contained 10 replicates of 10 birds. Control group (I) was fed with basal diet, while treatment groups II to IV were fed, respectively, with 150 mg/kg NSPases, 25 mg/kg Bacillus probiotics, and 150 mg/kg NSPases + 25 mg/kg Bacillus probiotics in their basal diet. The results demonstrated that dietary Bacillus (25 mg/kg) increased average final weight, average daily gain (ADG), and decreased the malonaldehyde (MDA) in birds (P < 0.05). Dietary Bacillus (25 mg/kg) and NSPases + Bacillus (150 mg/kg + 25 mg/kg) presented much higher glutathione (GSH) and activities of superoxide dismutase (SOD) in birds (P < 0.05). Additionally, as revealed by β-diversity indices and analysis of similarities, dietary NSPases + Bacillus could affect the ileum microbial abundances and diversities at the genera level (P < 0.05), but it had no effect on the caecal microbiota. Also, 16S rRNA sequencing revealed that dietary Bacillus and NSPases + Bacillus increased the populations of Ruminococcaceae genera in the cecum (P < 0.05), and S24-7_group and Lactobacillus genera in the ileum (P < 0.05). However, dietary NSPases and Bacillus alone and in combination could significantly decrease the content of Bacteroides in the ileum (P < 0.05). According to Spearman correlation analysis, 7 ilea bacterial microbiomes (S24-7 group, Lactobacillus, Subgroup 2, Subgroup 1, Kitasatospora, Candidatus Solibacter, and Akkermansia) were positively correlated with SOD (P < 0.05). In conclusion, Bacillus (25 mg/kg) and NSPases (150 mg/kg) included in the diet could efficiently enhance the growth performance by altered gut microbiota composition at the genera level and antioxidant indices of ducks.

scholarly journals Garlic skin induced shifts in the rumen microbiome and metabolome of fattening sheep

2020 ◽  
Author(s):  
Wen Zhu ◽  
Zhen Su ◽  
Wei Xu ◽  
Hanxue Sun ◽  
Jinfeng Gao ◽  
...  
Keyword(s):  
Growth Performance ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Diversity Indices ◽  
Rumen Fermentation ◽  
Control Group ◽  
Rumen Microbiome ◽  
Volatile Fatty Acid Concentration ◽  
Α Diversity ◽  
Daily Gain

Abstract Background Garlic and its constituents exhibit activities on modifying rumen fermentation and improving growth performance. As a by-product of garlic processing, garlic skin contains similar bioactive components as garlic bulb. However, studies in ruminants using garlic skin are scarce. This study was conducted to investigate the effects of garlic skin supplementation on rumen fermentation characterizes, growth performance, ruminal microbes and metabolites in ruminants. Twelve Hu lambs were randomly assigned into one of two treatments: basal diet (CON) or basal diet supplemented with 80 g/kg DM of gallic skin (GAS). The experiment lasted for10 weeks, with the first 2 weeks for adaptation. Results The results revealed that the average daily gain and volatile fatty acid concentration were higher (P < 0.05) in lambs fed GAS than that in the control group. Garlic skin supplementation did not significantly (P > 0.10) affect the α-diversity indices. Increased (P < 0.05) abundances of Prevotella, Bulleidia, Howardella, Methanosphaera but a decreased (P < 0.05) abundance of Fretibacterium were observed in GAS-fed lambs. In addition, the garlic skin supplementation favorably regulated (P < 0.05) pyrimidine metabolism, purine metabolism, vitamin B6 and B1 metabolism. Moreover, high correlations were observed between fluctuant rumen microbiota and metabolites. Conclusions Supplementation of garlic skin improved the growth performance of sheep by modifying rumen fermentation through inducing shifts in the rumen microbiome and metabolome.

scholarly journals Garlic Skin Induced Shifts in the Rumen Microbiome and Metabolome of Fattening Sheep

2020 ◽  
Author(s):  
WEN Zhu ◽  
Zhen Su ◽  
Wei Xu ◽  
Hanxue Sun ◽  
Jinfeng Gao ◽  
...  
Keyword(s):  
Growth Performance ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Diversity Indices ◽  
Rumen Fermentation ◽  
Control Group ◽  
Rumen Microbiome ◽  
Volatile Fatty Acid Concentration ◽  
Α Diversity ◽  
Daily Gain

Abstract Background: Garlic and its constituents exhibit activities on modifying rumen fermentation and improving growth performance. As a by-product of garlic processing, garlic skin contains similar bioactive components as garlic bulb. However, studies in ruminants using garlic skin are scarce. This experiment was conducted to investigate the effects of garlic skin supplementation on rumen fermentation characterizes, growth performance, and involved mechanism in ruminants. Twelve Hu lambs were randomly assigned into one of two treatments: basal diet (CON) or basal diet supplemented with 80 g/kg DM of gallic skin (GAS). The experiment lasted for10 weeks, with the first 2 weeks for adaptation. Results: The results revealed that the average daily gain and volatile fatty acid concentration were higher (P < 0.05) in lambs fed GAS than that in the control group. Garlic skin supplementation did not significantly (P > 0.10) affect the α-diversity indices. Increased (P < 0.05) abundances of Prevotella, Bulleidia, Howardella, Methanosphaera but a decreased (P < 0.05) abundance of Fretibacterium were observed in GAS-fed lambs. Besides, the garlic skin supplementation favorably regulated (P < 0.05) pyrimidine metabolism, purine metabolism, vitamin B6 and B1 metabolism. Moreover, high correlations were observed between fluctuant rumen microbiota and metabolites. Conclusions: Supplementation of garlic skin improved the growth performance of sheep by modifying rumen fermentation through inducing shifts in the rumen microbiome and metabolome.

scholarly journals Effects of Zinc Glycinate on Growth Performance, Serum Biochemical Indexes, and Intestinal Morphology of Yellow Feather Broilers

2021 ◽  
Author(s):  
Xiaoping Zhu ◽  
Xiuguo Shang ◽  
Guozhao Lin ◽  
Haojie Li ◽  
Xin Feng ◽  
...  
Keyword(s):  
Growth Performance ◽  
Mrna Expression ◽  
Average Daily Gain ◽  
Zinc Content ◽  
Basal Diet ◽  
Intestinal Morphology ◽  
Control Group ◽  
Transcriptional Level ◽  
Serum Biochemical ◽  
Morphology Parameters

Abstract The purpose of this study was to investigate the effects of zinc glycinate (Gly-Zn) on growth performance, serum biochemical index, intestinal morphology, and hepatic metallothionein (MT) mRNA expression in the liver of yellow feather broilers. A total of 540 18-day-old yellow feather broilers were randomly divided into three groups: control group (basal diet), ZnSO4 group (basal diet plus 60 mg Zn/kg from ZnSO4), and Gly-Zn group (basal diet plus 60 mg Zn/kg from zinc glycinate). Each treatment group had 6 replicates with 30 birds in each replicate. The experiment lasted for 42 days (18 to 59 days of age). The results showed that Gly-Zn supplementation significantly improved the average daily gain (ADG) and average daily feed intake (ADFI) of broilers during 18 to 39 days of age compared with that in the control group (P < 0.05) but not different from the ZnSO4 group. The Gly-Zn group had higher glutathione peroxidase (GSH-Px) (P < 0.05) and lower malondialdehyde (MDA) concentrations than the broilers in the control and ZnSO4 group. It was also observed that zinc content in the tibia of Gly-Zn group broilers was higher than the control and ZnSO4 group (P < 0.05). The results of intestinal morphology parameters showed that the Gly-Zn group significantly increased the villus height in duodenum and jejunum (P < 0.05) and decreased crypt depth in duodenum and ileum compared to the control group. However, there were no significant differences between the Gly-Zn group and ZnSO4 group in duodenum and ileum regarding intestinal morphology parameters. The Gly-Zn group significantly increased mRNA expression of MT in the liver than both control and ZnSO4 groups (P < 0.05). Collectively, the results indicated that supplementing 60 mg Zn/kg through zinc glycinate improved growth performance and serum indexes as well as intestinal morphology of yellow feather broilers. It also regulates MT gene expression more effectively than the ZnSO4 group at the transcriptional level.

Effects of saccharified corn straw on growth performance, nutrient metabolic rates, gastrointestinal tract development and serum antioxidant index of broilers

2021 ◽  
Author(s):  
Wang Ping ◽  
Chang Juan ◽  
Liu Chaoqi ◽  
Qingqiang Yin ◽  
Liu Mengjie ◽  
...  
Keyword(s):  
Growth Performance ◽  
Early Stage ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Control Group ◽  
Metabolic Rates ◽  
Feed Conversion ◽  
Corn Straw ◽  
Negative Effects ◽  
Group 5

This study was conducted to investigate effects of saccharified corn straw (SCS) on broiler growth. 250 one-day-old female Arbor Acres (AA) broilers were distributed into 5 groups. The broilers in groups 1-5 were fed with diets containing 0 (basal diet), 4%, 8%, 12% SCS and 8% SCS (high oil), respectively. The experiment lasted 42 d including early and later stages. In early stage, average daily gain (ADG) and feed conversion ratio (FCR) in groups 2 and 5 were almost the same as control group; higher levels of SCS additions would decrease ADG and increase FCR (P<0.05). In later stage, ADG was higher and FCR was lower in group 5 than that in other groups (P<0.05); ADG in groups 3-4 was higher than that in group 1 (P<0.05) and 2. The different levels of SCS supplementation had different effects on nutrient metabolic rates and relative organ weight (P<0.05), but they had insignificant effects on relative organ length. In later stage, SCS supplementation could significantly increase serum total antioxidant capacity (T-AOC) activity. It could be concluded that dietary 4% SCS in early stage and 4-12% SCS in later stage had no negative effects on growth performance and nutrient metabolic rates for broilers.

scholarly journals Effects of Bacillus subtilis on growth performance, serum parameters, digestive enzyme, intestinal morphology, and colonic microbiota in piglets

AMB Express ◽  
2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Bo Deng ◽  
Jie Wu ◽  
Xiaohui Li ◽  
Cheng Zhang ◽  
Xiaoming Men ◽  
...  
Keyword(s):  
Bacillus Subtilis ◽  
Growth Performance ◽  
Digestive Enzyme ◽  
Basal Diet ◽  
Intestinal Morphology ◽  
Control Group ◽  
Promising Alternative ◽  
Serum Parameters ◽  
Colonic Microbiota ◽  
Diet Supplementation

AbstractThe present study was conducted to investigate effects of Bacillus subtilis on growth performance, serum parameters, digestive enzymes, intestinal morphology, and colonic microbiota in piglets. A total of 72 piglets were weighed and randomly allotted into three treatments (four replication pens per treatment with six piglets/pen) for a 28-day experiment. The dietary treatments were as follows: basal diet (control group, CTR), basal diet supplementation with antibiotic (antibiotic group, ABT), and basal diet supplementation with 0.1% Bacillus subtilis (probiotic group, PBT). The average daily gain of body weight increased in both the ABT and PBT groups, and dietary antibiotics decreased the feed:gain ratio (F:G), as compared to the CTR group (P < 0.05). Both ABT and PBT piglets had increased serum triglycerides and lipase, amylase, maltase activities and villus height:crypt depth ratio (V/C) in ileum (P < 0.05). The PBT group also showed an increase in serum glucose and villus height in the ileum (P < 0.05). Dietary antibiotics increased Lactobacillus johnsonii, as compared to the CTR group, but decreased bacterial diversity and increased Escherichia coli, as compared to the PBT group (P < 0.05). Piglets dietary with B. subtilis modulated the microbiota by increasing the abundance of Firmicutes (L. johnsonii, L. reuteri) and decreasing the abundance of E. coli, as compared to the control group (P < 0.05). These results indicate that dietary of B. subtilis improves growth performance and intestinal health and can be a promising alternative to antibiotics in piglets diet.

scholarly journals Effects of Dietary Supplementation of gEGF on the Growth Performance and Immunity of Broilers

Animals ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1394
Author(s):  
Jianyong Zhou ◽  
Jingyi Yao ◽  
Luhong Bai ◽  
Chuansong Sun ◽  
Jianjun Lu
Keyword(s):  
Antioxidant Capacity ◽  
Growth Performance ◽  
Crude Extract ◽  
Serum Alkaline Phosphatase ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Control Group ◽  
Serum Samples ◽  
Chicken Embryos ◽  
Growth Of Animals

EGF has been shown to stimulate the growth of animals. In this study, the content of EGF in chicken embryos (gallus EGF, gEGF) aged from 1 to 20 days of incubation were determined by ELISA kit, and the 5-day-old chicken embryos with the highest content of 5593 pg/g were selected to make gEGF crude extracts. A total of 1500 1-day-old Xianju chickens were randomly divided into five groups with six replicates of 50 chickens each. The control group was fed a basal diet, and other treatment diets were supplemented with 4, 8, 16 and 32 ng/kg gEGF crude extract, respectively. The experiment lasted for 30 days. Chicks were harvested at the end of the experiment, and liver, spleen, thymus, bursa and serum samples were collected. Results showed that average daily gain (ADG) and average daily feed intake (ADFI) of 16 ng/kg group were higher than those in the control group (p < 0.05). The serum uric acid (UA) of the 16 ng/kg group was reduced (p < 0.01), and the serum alkaline phosphatase (AKP) of the 16 ng/kg group increased (p < 0.01). The gEGF extract also increased chick’s antioxidant capacity, decreased malondialdehyde (MDA) and increased catalase (CAT) in the liver and serum of 16 ng/kg groups in compared to the control group (p < 0.01). Furthermore, immunity was improved by the addition of gEGF to broiler diets. The serum immunoglobin A (IgA) content of 8 and 16 ng/kg groups and the serum immunoglobin M (IgM) content of 4 and 8 ng/kg groups were increased (p < 0.05) compared to the control group. The bursa index of each experimental group was higher than the control group (p < 0.01). These findings demonstrate that the crude extract of gEGF prepared in this experiment could improve the growth performance, antioxidant capacity and immunity of broilers.

scholarly journals Effects of inorganic minerals replaced by complexed glycinates on growth, blood profiles, immune responses, intestinal morphology, and mineral excretion in piglets

2020 ◽  
Author(s):  
Xun Pei ◽  
Geng Wang ◽  
Lujie Liu ◽  
Wanjing Sun ◽  
Zhiping Xiao ◽  
...  
Keyword(s):  
Immune Responses ◽  
Low Dose ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Intestinal Morphology ◽  
Trace Minerals ◽  
Control Group ◽  
Trace Mineral ◽  
Mineral Excretion ◽  
Blood Profiles

Abstract BACKGROUND: The effects of inorganic trace minerals (ITM) replaced by low-dose glycine-complexed trace minerals (GCM) on growth, serum parameters, immunity, intestinal morphology, and mineral excretion in piglets were investigated. One hundred and twenty-eight weaned piglets (14.18 ± 0.33kg body weight (BW)) were randomly assigned to 4 treatments with 4 replicates, 8 piglets per replicate. Treatments consist of: (T1) basal diet + 100% inorganic trace mineral (ITM) as the control group (20 ppm Cu, 150 ppm Fe, 150 ppm Zn, and 30 ppm Mn from sulfates); (T2) basal diet + 50% ITM (Cu, Fe, Zn, and Mn from sulfates, 50% of control) + 50% organic trace minerals (OTM, Cu, Fe, Zn, and Mn from glycine complexed trace minerals (GCM), 50% of control); (T3) basis diet + 50% OTM from GCM; (T4) basal diet + 70% OTM from GCM. The feeding period lasted 28 d and was divided into 2 stages (0 to 14 d and 15 to 28 d). After feeding trial , 6 pigs per treatment were randomly selected to slaughter for sampling. RESULTS: Average daily gain, feed intake, and G:F were not affected by dietary treatments during the overall period. During the second, and the overall feeding phases, the digestibility of Zn and Fe in T3 and T4 was higher than that of T1 ( P < 0.05). The concentration of serum ferritin in T2 was significantly higher than T3 and T4. Serum immunoglobulin A concentration in the ileal mucosa of T2 was higher than that of T1 ( P < 0.05), and the higher duodenum villus height was observed in T4 compared with the rest treatments ( P < 0.05). The lowest trace mineral excretion was overserved in T3 ( P < 0.01); in addition, the urinary concentrations of Zn and Fe in T2 were lower than that in T1 ( P < 0.05). CONCLUSION: These results indicate that GCM have higher bioavailability than ITM, and that supplementation of low-dose GCM to replace full dose ITM could reduce mineral excretion without affecting performance, blood profiles, immune responses, and intestinal morphology in piglets.

scholarly journals Effects of Dietary Taurine Supplementation to Gilts during Late Gestation and Lactation on Offspring Growth and Oxidative Stress

Animals ◽  
2019 ◽  
Vol 9 (5) ◽  
pp. 220 ◽  
Author(s):  
Mengmeng Xu ◽  
Long Che ◽  
Kaiguo Gao ◽  
Li Wang ◽  
Xuefen Yang ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Protein Expression ◽  
Growth Performance ◽  
Barrier Function ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Intestinal Morphology ◽  
Late Gestation ◽  
Villus Height ◽  
And Oxidative Stress

Birth is one of the most important events of animal production agriculture, as newborns are abruptly forced to adapt to environmental and nutritional disruptions that can lead to oxidative damage and delay in growth. Taurine (Tau) is an important regulator of oxidative stress and possesses growth-enhancing properties. In the present study, we investigated the effects of dietary Tau supplementation in gilts during late gestation and lactation on the growth performance of piglets by assessing intestinal morphology and barrier function, and oxidative stress status. Sixteen gilts were randomly allocated to the Con (basal diet) and Tau (basal diet with 1% Tau) groups from 75 d of gestation to weaning. Maternal dietary Tau supplementation significantly increased weaning weight and average daily gain weight in piglets. Piglets in the Tau group had higher villus height and villus height-to-crypt depth ratio (VCR), ZO-1 protein expression, and secretory immunoglobulin A (sIgA) content in the jejunum. Meanwhile, Tau bebeficial affected the milk quality of gilts, as indicated by decreased malondialdehyde (MDA) concentration and increased total superoxide dismutase (T-SOD), total antioxidative capability (T-AOC), glutathione peroxidase (GPx), and catalase (CAT) activity. Furthermore, Tau supplementation increased T-SOD activity in plasma and SOD2 protein expression in the jejunum in the piglets. In conclusion, this study provides evidence that dietary Tau supplementation to gilts improves growth performance in piglets, owing to improved intestinal morphology and barrier function, as well as inhibition of oxidative stress.

scholarly journals Sodium Humate And Glutamine Combined Supplementation Alleviate Diarrhea of Weaned Calves Via Alter Intestinal Microbiota And Metabolites

2021 ◽  
Author(s):  
Dong Wang ◽  
Yuanyi Du ◽  
Haotian Jia ◽  
Siqi Huang ◽  
Lei Lei ◽  
...  
Keyword(s):  
Body Weight ◽  
Growth Performance ◽  
Intestinal Microbiota ◽  
Basal Diet ◽  
Intestinal Microbiome ◽  
Control Group ◽  
Diarrhea Incidence ◽  
Combined Supplementation ◽  
Similar Body ◽  
Fecal Score

Abstract Background: Weaning is one of the most stressful periods that cause gastrointestinal tract dysfunction and diarrhea in calves. HNa and Gln were reported to exert beneficial effects on promoting growth performance, decreasing diarrhea incidence, and modulating intestinal microbiota in animals. Therefore, this study investigated the effect of HNa and Gln combined supplementation on growth performance, diarrhea incidence, serum parameters, intestinal microbiome, and metabolites of weaned calves.Results: In Exp. 1, 40 calves at 51±3 days of age with similar body weight (66.82±4.31 kg) were randomly assigned to 4 treatments fed with a basal diet (NC group), and a basal diet supplemented with 100 mL of 1%, 3%, or 5% HNa+1% Gln, twice daily, respectively. In a 21-day trial, calves on the 5% HNa+1% Gln group had higher ADG and lower fecal score and diarrhea incidence than those in the control group (P < 0.05). In Exp. 2, 20 calves at 51±3 days of age with similar body weight (69.37±6.28 kg) were randomly assigned to 2 treatments fed with a basal diet (NC group) and a basal diet supplemented with 100 mL of 5% HNa+1% Gln, twice daily (H+G group, the dose was obtained from Exp. 1). In a 21-day trial, calves supplemented with HNa and Gln had higher final BW and ADG, serum IgG concentration and GSH-Px and T-AOC activities, but lower fecal score, diarrhea incidence, as well as serum DAO, D-lac, TNF-α, and MDA concentrations compared to NC group (P < 0.05). Analysis of intestinal microbiota indicated that supplemented with HNa and Gln significantly increased the abundance of phyla Firmicutes and genus of Bifidobacterium, Lactobacillus, Olsenella, Ruminiclostridium 9, Howardella, and uncultured organism, whereas the abundance of phyla Bacteroidetes, genus of Helicobacter and Lachnoclostridium were decreased as compared with NC group. Moreover, untargeted metabolomics analysis revealed that supplemented with HNa and Gln altered 18 metabolites and enriched 6 KEGG pathways (primary fatty acid biosynthesis) compared to the NC group. Conclusions: This study showed that combined supplemented with HNa and Gln could decrease diarrhea of weaned calves, which may be associated with improved intestinal microbial ecology and altered metabolism profile.

scholarly journals PSVI-40 Effects of dietary glucan on intestinal morphology, immunity response, barrier function and antioxidant capacity in weaning pigs

2019 ◽  
Vol 97 (Supplement_3) ◽  
pp. 212-213
Author(s):  
xia xiong ◽  
Lvliang Wu ◽  
Yirui Shao ◽  
Jian zou ◽  
Yulong Yin
Keyword(s):  
Antioxidant Capacity ◽  
Growth Performance ◽  
Mrna Expression ◽  
Dietary Supplementation ◽  
Basal Diet ◽  
Intestinal Morphology ◽  
Control Group ◽  
Gut Health ◽  
Weaned Piglets ◽  
Weaning Piglets

Abstract Glucan has been studied as a potential alternative to antibiotics for animals in recent years. The aim of this study was to evaluate the effect of dietary glucan on growth performance and gut health of weaning piglets, which is a water-soluble extracellular ꞵ-glucan produced by Agrobacterium sp. ZX09. A total of 108 weaned piglets (21 d of age; 6.05 ± 0.36 kg) were randomly assigned (6 pens/diet; 18 piglets/pen) to 3 dietary treatments consisting of a basal diet (control group) or the basal diet supplemented with 20 ppm olaquindox or 200 ppm glucan for 14 days, respectively. The results showed that piglets fed with glucan had greater (P &lt; 0.05) body weight and average daily gain than piglets in control group. Piglets fed with glucan or antibiotic had greater villus height to crypt depth ratio on duodenum compared with control group (P &lt; 0.05). The mRNA expression of Claudin-1 on duodenum or ileum was higher (P &lt; 0.05) in glucan group than that on the other groups. The mRNA expression of TLR4, MYD88 and NFκB on jejunum were lower (P &lt; 0.05) in glucan or antibiotic group than those in control group. Dietary supplementation with glucan tended to increase the IL-10 and SIgA concentration on ileum (0.05 &lt; P &lt; 0.1). Dietary supplementation with glucan tended to increase the total antioxidant capacity on jejunum (P = 0.093). In conclusion, 200 ppm glucan or 20 ppm olaquindox can improve the growth performance of weaning piglets. The glucan may can accelerate the growth of weaned piglets by improving gut health. This research will provide guidance for the olaquindox alternative on growing piglets.

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