Impact of Supplementary Microbial Additives Producing Antimicrobial Substances and Digestive Enzymes on Growth Performance, Blood Metabolites, and Fecal Microflora of Weaning Pigs

Lee, Hyuk-Jun; Noh, Hyeon-Tak; Paradhipta, Dimas Hand Vidya; Joo, Young Ho; Lee, Seong-Shin; Choi, Ji‐Young; Kim, Dong‐Hyeon; Kim, Soo‐Ki; Kim, Sam-Churl

doi:10.3390/ani11051217

Cited by 5 publications

(1 citation statement)

References 33 publications

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“…One observation with supplementary microbial additives at the 1% level was an increase in blood glucose concentrations. Thus, higher blood glucose levels might be explained by the activity of digestive enzymes from the microbes used or a response to increased energy absorption in the intestine [50,51]. Balasubramanian et al [1] and Devi and Kim [52] found that microbial additive supplementation (0.1 or 0.2 g/kg multi-species probiotic, 0.2% medium-chain fatty acids, and 0.1% probiotic) had a significant effect on pig blood glucose concentrations.…”

Section: Discussionmentioning

confidence: 99%

The Effects of Microbial Additive Supplementation on Growth Performance, Blood Metabolites, Fecal Microflora, and Carcass Characteristics of Growing–Finishing Pigs

Lee,

Choi,

Joo

et al. 2024

Animals

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This study aimed to assess the effects of microbial additives that produce antimicrobial and digestive enzymes on the growth performance, blood metabolites, fecal microflora, and carcass characteristics of growing–finishing pigs. A total of 180 growing–finishing pigs (Landrace × Yorkshire × Duroc; mixed sex; 14 weeks of age; 58.0 ± 1.00 kg) were then assigned to one of three groups with three repetitions (20 pigs) per treatment for 60 days of adaptation and 7 days of collection. Dietary treatments included 0, 0.5, and 1.0% microbial additives in the basal diet. For growth performance, no significant differences in the initial and final weights were observed among the dietary microbial additive treatments, except for the average daily feed intake, average daily gain, and feed efficiency. In terms of blood metabolites and fecal microflora, immunoglobulin G (IgG), blood urea nitrogen, blood glucose, and fecal lactic acid bacteria count increased linearly, and fecal E. coli counts decreased linearly with increasing levels of microbial additives but not growth hormones and Salmonella. Carcass quality grade was improved by the microbial additive. In addition, carcass characteristics were not influenced by dietary microbial additives. In conclusion, dietary supplementation with 1.0% microbial additive improved average daily gain, feed efficiency, IgG content, and fecal microflora in growing–finishing pigs.

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Section: Discussionmentioning

confidence: 99%

The Effects of Microbial Additive Supplementation on Growth Performance, Blood Metabolites, Fecal Microflora, and Carcass Characteristics of Growing–Finishing Pigs

Lee,

Choi,

Joo

et al. 2024

Animals

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Pig manure characteristics and decomposition ability of Protaetia brevitarsis seulensis larval instar stages

Jeong

2024

Entomological Research

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Many types of livestock waste can be treated with insect larvae; however, in‐depth research on the decomposition ability of Protaetia brevitarsis seulensis (PBS) larvae and the characteristics of manure after treatment with PBS is extremely limited. Therefore, this study examined the decomposition ability and survival rates of different instars of PBS larvae and their effects on the characteristics and pathogen counts of pig manure. Two treatments were designed: 1 kg of second instar or third instar PBS larvae per 10 kg of pig manure. Pig manure did not affect the decomposing capacity and survival rates of the two PBS larval instar groups (P > 0.05). However, the decomposition abilities of the different PBS larval instar groups on days 2, 7 and 8 significantly differed (P < 0.05). Over time, the changes observed in pH, moisture, total nitrogen, acid detergent fiber (ADF), neutral detergent fiber (NDF) and hemicelluloses did not significantly differ (P > 0.05) between treatments using second or third instar PBS larvae. On day 15, both total nitrogen and NDF significantly differed (P < 0.05) between the two treatment groups. During the experimental period, no significant (P > 0.05) change in Escherichia coli or Salmonella counts was observed in pig manure treated with different PBS larval instars. Our findings suggest that the decomposition abilities and survival rates of larvae and pig manure characteristics and pathogen counts do not differ for different PBS larval instar stages.

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Dietary supplementation with Acremonium terricola culture alters the gut microbial structure and improves the growth performance, antioxidant status, and immune function of weaning piglets

Wang,

Peng,

Nie

et al. 2023

BMC Vet Res

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Background Acremonium terricola is used in the feed of dairy animals to promote growth and control diseases. However, the effects of dietary supplementation with A. terricola on the gut microbial structure of weaning piglets remain poorly understood. Therefore, in this study, we investigated the effects of dietary supplementation with A. terricola culture (ATC) on the growth performance, antioxidant status, immunity, and gut environment of weaning piglets. Sixty piglets were fed a basal diet supplemented with 1 g ATC/kg of basal diet (experimental group). Another 60 piglets did not receive ATC (control group). The intervention lasted for 20 days. Results The experimental group had higher daily weight gain and feed efficiency than did the control group. Significant increases were noted in the levels of serum insulin (P = 0.0018), insulin-like growth factor (P = 0.0018), triiodothyronine (P = 0.0031), immunoglobulin A (P < 0.0001), immunoglobulin M (P = 0.001), immunoglobulin G (P = 0.0001), and interferon γ (P < 0.0001) in the experimental group compared with the levels in the control group. Furthermore, ATC supplementation significantly reduced (P < 0.05) the relative abundance of Shuttleworthia, Succinivibrio, Roseburia, Ruminococcus, and Paludibacter but increased that of Phascolarctobacterium, Megasphaera, Faecalibacterium, and Prevotella in the experimental group compared with that in the control group. Notably, ATC supplementation significantly increased the relative abundance of Faecalibacterium prausnitzii (P < 0.05), which is involved in anti-inflammatory activities, gut barrier enhancement, and butyrate production. Conclusions Dietary supplementation with ATC may improve the growth performance, antioxidant status, immunity, and fecal microflora of weaning pigs.

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Impact of Supplementary Microbial Additives Producing Antimicrobial Substances and Digestive Enzymes on Growth Performance, Blood Metabolites, and Fecal Microflora of Weaning Pigs

Cited by 5 publications

References 33 publications

The Effects of Microbial Additive Supplementation on Growth Performance, Blood Metabolites, Fecal Microflora, and Carcass Characteristics of Growing–Finishing Pigs

The Effects of Microbial Additive Supplementation on Growth Performance, Blood Metabolites, Fecal Microflora, and Carcass Characteristics of Growing–Finishing Pigs

Pig manure characteristics and decomposition ability of Protaetia brevitarsis seulensis larval instar stages

Dietary supplementation with Acremonium terricola culture alters the gut microbial structure and improves the growth performance, antioxidant status, and immune function of weaning piglets

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