Influence of dietary condensed tannins from sericea lespedeza on bacterial loads in gastrointestinal tracts of meat goats

Lee, J.H.; Vanguru, M.; Kannan, Govind; Moore, D.A.; Terrill, T.H.; Kouakou, B.

doi:10.1016/j.livsci.2009.07.007

Cited by 16 publications

(18 citation statements)

References 15 publications

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“…In addition, adding chestnut tannin at the concentration of 15 g/kg DM decreased fecal shedding of E. coli for cattle fed hay diets ( Min et al., 2007 ). However, other tannins such as that from sainfoin and S. lespedeza at lower concentration (<13.5 g CT/kg DM) had no effect on fecal E. coli shedding ( Lee et al., 2009a , Lee et al., 2009b , Berard et al., 2009 ). Supplementation of A. nodosum meal at the dietary concentrations of 10 to 20 g/kg DM significantly decreased E. coli O157:H7 fecal shedding in cattle ( Table 1 ).…”

Section: Use Of Tannins In Ruminantsmentioning

confidence: 92%

“…(2008) Purple prairie clover Condensed tannins (CT) E. coli O157:H7 challenged lamb Fresh forage 36 g/kg DM ECT Reduced E. coli O157:H7 fecal shedding Huang et al. (2015) Sericea lespedeza CT Goat Hay 13.5 g/kg DM ECT No effect on fecal E. coli Lee et al., 2009a , Lee et al., 2009b Chestnut Hydrolyzable tannins (HT) Cattle Hay 15 g/day Reduced fecal E. coli Min et al. (2007) Sainfoin CT Cattle Hay/silage 1.1 to 12 g/kg DM No effect on fecal shedding Berard et al.…”

Section: Use Of Tannins In Ruminantsmentioning

confidence: 99%

“…and Lactobacillus spp. Lee et al., 2009a , Lee et al., 2009b Tannic acid HT Broiler chicken (1 to 35 day) 0.50% Increased growth performance; reduced blood glucose level; increased fat content in breast and thigh meat; reduced cholesterol content in liver Starčević et al. (2015) Tannic acid HT Broiler chicken (1 to 12 day) 0, 0.75%, or 1.5% No effect on Salmonella cecal culture-positive chicks or in the numbers of Salmonella typhimurium in the cecal contents Kubena et al.…”

Section: Use Of Tannins In Monogastric Animalsmentioning

confidence: 99%

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Potential and challenges of tannins as an alternative to in-feed antibiotics for farm animal production

et al. 2018

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Naturally occurring plant compounds including tannins, saponins and essential oils are extensively assessed as natural alternatives to in-feed antibiotics. Tannins are a group of polyphenolic compounds that are widely present in plant region and possess various biological activities including antimicrobial, anti-parasitic, anti-viral, antioxidant, anti-inflammatory, immunomodulation, etc. Therefore, tannins are the major research subject in developing natural alternative to in-feed antibiotics. Strong protein affinity is the well-recognized property of plant tannins, which has successfully been applied to ruminant nutrition to decrease protein degradation in the rumen, and thereby improve protein utilization and animal production efficiency. Incorporations of tannin-containing forage in ruminant diets to control animal pasture bloat, intestinal parasite and pathogenic bacteria load are another 3 important applications of tannins in ruminant animals. Tannins have traditionally been regarded as “anti-nutritional factor” for monogastric animals and poultry, but recent researches have revealed some of them, when applied in appropriate manner, improved intestinal microbial ecosystem, enhanced gut health and hence increased productive performance. The applicability of plant tannins as an alternative to in-feed antibiotics depends on many factors that contribute to the great variability in their observed efficacies.

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Section: Use Of Tannins In Ruminantsmentioning

confidence: 92%

Section: Use Of Tannins In Ruminantsmentioning

confidence: 99%

Section: Use Of Tannins In Monogastric Animalsmentioning

confidence: 99%

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Potential and challenges of tannins as an alternative to in-feed antibiotics for farm animal production

et al. 2018

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“…Tannins have been shown to reduce the faecal shedding of E. coli O157:H7 in both cattle (Braden et al, 2004;Min et al, 2007;Bach et al, 2008) and sheep (Bach et al, 2008). However, some forages that contain condensed tannins (CT) such as sainfoin (Onobrychis viciifolia) and sericea lespedeza (Lespedeza cuneata) have failed to alter the shedding of E .coli O157:H7 loads in goats (Lee et al, 2009) and cattle (Berard et al, 2009). Therefore, identifying forages containing metabolites that consistently reduce the shedding of E. coli O157:H7 is imperative if this approach is to be a viable pre-harvest E. coli O157:H7 intervention strategy.…”

Section: Introductionmentioning

confidence: 99%

Effects of purple prairie clover (Dalea purpurea Vent.) on feed intake, nutrient digestibility and faecal shedding of Escherichia coli O157:H7 in lambs

Huang

Jin

et al. 2015

Animal Feed Science and Technology

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“…Laboratory studies have shown that tannins from chestnut, mimosa, and some medicinal plants vary in their activity against E. coli 0157:H7 (24,40). Studies to examine the impact of condensed tannins (CT) on the shedding of pathogenic E. coli have not been conducted; however, CT-containing forages such as sainfoin (Onobrychis viciifolia) and sericea lespedeza (Lespedeza cuneata) have been shown to lower the amount of shedding of E. coli in beef cattle and goats (4,21). Min et al (26) reported that the anti-E. coli activity of tannin extracts from woody plants such as blackjack oak (Quercus marilandica), shining sumac (Rhus copallina), sand plum (Primus angustifolia), and skunkbush sumac (Rhus aromatica) depended on both source and concentra tion.…”

mentioning

confidence: 99%

Screening of Condensed Tannins from Canadian Prairie Forages for Anti–Escherichia coli O157:H7 with an Emphasis on Purple Prairie Clover (Dalea purpurea Vent)

Wang

Jin

Ominski

et al. 2013

Journal of Food Protection

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Tannins from forages grown (n = 10) on the Canadian prairie, as well as from Quebracho, Rhus semialata, and brown seaweed (Ascophyllum nodosum), were screened for anti-Escherichia coli O157:H7 activity against E. coli O157:H7 strain 3081 at a concentration of 400 μg/ml for each tannin type, except for brown seaweed, which was at 50 μg/ml. Growth of the bacteria was assessed by measuring the optical density at 600 nm over 24 h. Tannin from seaweed at a concentration of 50 μg/ml inhibited growth of strain 3081. Among the terrestrial forages, only condensed tannins (CT) from purple prairie clover (Dalea purpurea Vent; PPC) increased (P < 0.05) the lag time and reduced (P < 0.05) the growth rate of E. coli O157:H7. The anti-E. coli O157:H7 activity of PPC CT was further assessed by culturing E. coli strain ATCC 25922 and eight strains of E. coli O157:H7 with PPC CT at 0, 25, 50, 100, or 200 μg/ml. Selected strains were enumerated after 0, 6, and 24 h of incubation, and fatty acid composition was determined after 24 h of incubation. E. coli strain 25922 was cultured with 0, 50, or 200 μg of CT per ml and harvested during the exponential growth phase for examination by transmission electron microscopy. Increasing CT concentration linearly increased (P < 0.001) the lag times of seven strains and linearly reduced (P < 0.001) the growth rates of eight E. coli O157:H7 strains. Proportions of unsaturated fatty acids in the total fatty acids were decreased (P < 0.01) by CT at 50 μg/ml. Transmission electron microscopy showed that CT disrupted the outer membrane structure. Anti-E. coli O157:H7 activity of PPC CT at levels of up to 200 μg/ml was bacteriostatic rather than bactericidal, and the mechanism of anti-E. coli activity may involve alteration in the fatty acid composition and disruption of the outer membrane of the cell.

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Influence of dietary condensed tannins from sericea lespedeza on bacterial loads in gastrointestinal tracts of meat goats

Cited by 16 publications

References 15 publications

Potential and challenges of tannins as an alternative to in-feed antibiotics for farm animal production

Potential and challenges of tannins as an alternative to in-feed antibiotics for farm animal production

Effects of purple prairie clover (Dalea purpurea Vent.) on feed intake, nutrient digestibility and faecal shedding of Escherichia coli O157:H7 in lambs

Screening of Condensed Tannins from Canadian Prairie Forages for Anti–Escherichia coli O157:H7 with an Emphasis on Purple Prairie Clover (Dalea purpurea Vent)

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