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  1. Article ; Online: Retraction Note: Antibiotic growth promoters virginiamycin and bacitracin methylene disalicylate alter the chicken intestinal metabolome.

    Gadde, Ujvala Deepthi / Oh, Sungtaek / Lillehoj, Hyun S / Lillehoj, Erik P

    Scientific reports

    2021  Volume 11, Issue 1, Page(s) 2892

    Language English
    Publishing date 2021-01-28
    Publishing country England
    Document type Retraction of Publication
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-021-82285-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Pathology caused by three species of Eimeria that infect the turkey with a description of a scoring system for intestinal lesions

    Gadde, Ujvala Deepthi / Rathinam, Thilak / Finklin, Marilynn Nicole / Chapman, H. David

    Avian pathology. 2020 Jan. 2, v. 49, no. 1

    2020  

    Abstract: Three-week-old turkey poults were infected with pure lines of three species of Eimeria (E. adenoeides, E. gallopavonis, and E. meleagrimitis) recently isolated from commercial turkey farms. The lines had been propagated from a single oocyst and ... ...

    Abstract Three-week-old turkey poults were infected with pure lines of three species of Eimeria (E. adenoeides, E. gallopavonis, and E. meleagrimitis) recently isolated from commercial turkey farms. The lines had been propagated from a single oocyst and identified by species-specific PCR amplification of the mitochondrial cytochrome c oxidase subunit I (COI) gene. Five to six days after infection their intestines were removed and examined for the presence of intestinal lesions. A description and review of the pathology caused by these parasites is provided, and a scoring system developed by which the severity of the lesions can be evaluated. The system is similar to that described by Johnson, J. and Reid, W. M. [1970. Anticoccidial drugs: lesion scoring techniques in battery and floor-pen experiments with chickens. Experimental Parasitology, 28, 30–36] for chickens in which a score of zero to four is assigned to lesions of increasing severity. The intestinal lesions observed here, and their assigned scores, are supported by representative illustrations. It is hoped that they may prove a useful tool for evaluating the pathology caused by E. adenoeides, E. gallopavonis, and E. meleagrimitis in the turkey. RESEARCH HIGHLIGHTSA scoring system has been developed for intestinal lesions caused by three species of Eimeria that infect the turkey. The lesions attributable to these species are illustrated.
    Keywords Eimeria adenoeides ; Eimeria gallopavonis ; Eimeria meleagrimitis ; batteries ; chickens ; coccidiostats ; cytochrome-c oxidase ; drugs ; farms ; genes ; intestines ; mitochondria ; oocysts ; parasites ; parasitology ; polymerase chain reaction ; poults
    Language English
    Dates of publication 2020-0102
    Size p. 80-86.
    Publishing place Taylor & Francis
    Document type Article
    ZDB-ID 1476380-1
    ISSN 1465-3338 ; 0307-9457
    ISSN (online) 1465-3338
    ISSN 0307-9457
    DOI 10.1080/03079457.2019.1669767
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  3. Article ; Online: Pathology caused by three species of

    Gadde, Ujvala Deepthi / Rathinam, Thilak / Finklin, Marilynn Nicole / Chapman, H David

    Avian pathology : journal of the W.V.P.A

    2019  Volume 49, Issue 1, Page(s) 80–86

    Abstract: Three-week-old turkey poults were infected with pure lines of three species ... ...

    Abstract Three-week-old turkey poults were infected with pure lines of three species of
    MeSH term(s) Animals ; Cecum/parasitology ; Cecum/pathology ; Coccidiosis/parasitology ; Coccidiosis/pathology ; Coccidiosis/veterinary ; Duodenum ; Eimeria/classification ; Eimeria/pathogenicity ; Electron Transport Complex IV/genetics ; Intestinal Mucosa/parasitology ; Intestinal Mucosa/pathology ; Intestines/parasitology ; Intestines/pathology ; Jejunum ; Mitochondria/enzymology ; Polymerase Chain Reaction/veterinary ; Poultry Diseases/parasitology ; Poultry Diseases/pathology ; Species Specificity ; Turkeys/parasitology
    Chemical Substances Electron Transport Complex IV (EC 1.9.3.1)
    Language English
    Publishing date 2019-10-04
    Publishing country England
    Document type Journal Article
    ZDB-ID 1476380-1
    ISSN 1465-3338 ; 0307-9457
    ISSN (online) 1465-3338
    ISSN 0307-9457
    DOI 10.1080/03079457.2019.1669767
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Antibiotic growth promoters virginiamycin and bacitracin methylene disalicylate alter the chicken intestinal metabolome.

    Gadde, Ujvala Deepthi / Oh, Sungtaek / Lillehoj, Hyun S / Lillehoj, Erik P

    publication RETRACTED

    Scientific reports

    2018  Volume 8, Issue 1, Page(s) 3592

    Abstract: Although dietary antibiotic growth promoters have long been used to increase growth performance in commercial food animal production, the biochemical details associated with these effects remain poorly defined. A metabolomics approach was used to ... ...

    Abstract Although dietary antibiotic growth promoters have long been used to increase growth performance in commercial food animal production, the biochemical details associated with these effects remain poorly defined. A metabolomics approach was used to characterize and identify the biochemical compounds present in the intestine of broiler chickens fed a standard, unsupplemented diet or a diet supplemented with the antibiotic growth promoters, virginiamycin or bacitracin methylene disalicylate. Compared with unsupplemented controls, the levels of 218 biochemicals were altered (156 increased, 62 decreased) in chickens given the virginiamycin-supplemented diet, while 119 were altered (96 increased, 23 decreased) with the bacitracin-supplemented diet. When compared between antibiotic-supplemented groups, 79 chemicals were altered (43 increased, 36 decreased) in virginiamycin- vs. bacitracin-supplemented chickens. The changes in the levels of intestinal biochemicals provided a distinctive biochemical signature unique to each antibiotic-supplemented group. These biochemical signatures were characterized by increases in the levels of metabolites of amino acids (e.g. 5-hydroxylysine, 2-aminoadipate, 5-hydroxyindoleaceate, 7-hydroxyindole sulfate), fatty acids (e.g. oleate/vaccenate, eicosapentaenoate, 16-hydroxypalmitate, stearate), nucleosides (e.g. inosine, N
    MeSH term(s) Amino Acids/metabolism ; Analysis of Variance ; Animal Feed/analysis ; Animals ; Anti-Bacterial Agents/metabolism ; Anti-Bacterial Agents/pharmacology ; Bacitracin/metabolism ; Bacitracin/pharmacology ; Chickens/growth & development ; Dietary Supplements ; Fatty Acids/metabolism ; Gastrointestinal Microbiome/drug effects ; Intestines/physiology ; Metabolome/physiology ; Niacinamide/metabolism ; Nucleosides/metabolism ; Salicylates/metabolism ; Salicylates/pharmacology ; Virginiamycin/metabolism ; Virginiamycin/pharmacology
    Chemical Substances Amino Acids ; Anti-Bacterial Agents ; Fatty Acids ; Nucleosides ; Salicylates ; Virginiamycin (11006-76-1) ; Bacitracin (1405-87-4) ; Niacinamide (25X51I8RD4) ; bacitracin methylenedisalicylic acid (JGV6OJ52FT)
    Language English
    Publishing date 2018-02-26
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Retracted Publication
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-018-22004-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Retraction notice to "Dietary Bacillus subtilis-based direct-fed microbials alleviate LPS-induced intestinal immunological stress and improve intestinal barrier gene expression in commercial broiler chickens" [YRVSC 114C (2017) 236-243].

    Gadde, Ujvala Deepthi / Oh, Sungtaek / Lee, Youngsub / Davis, Ellen / Zimmerman, Noah / Rehberger, Tom / Lillehoj, Hyun Soon

    Research in veterinary science

    2021  Volume 139, Page(s) 212

    Language English
    Publishing date 2021-07-28
    Publishing country England
    Document type Journal Article ; Retraction of Publication
    ZDB-ID 840961-4
    ISSN 1532-2661 ; 0034-5288
    ISSN (online) 1532-2661
    ISSN 0034-5288
    DOI 10.1016/j.rvsc.2021.07.012
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

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  6. Article ; Online: Retraction notice to "Dietary Allium hookeri reduces inflammatory response and increases expression of intestinal tight junction proteins in LPS-induced young broiler chickens" [Research in Veterinary Science 112C (2017) 149-155].

    Lee, Youngsub / Lee, Sung-Hyen / Gadde, Ujvala Deepthi / Oh, Sung-Taek / Lee, Sung-Jin / Lillehoj, Hyun S

    Research in veterinary science

    2021  Volume 139, Page(s) 211

    Language English
    Publishing date 2021-07-14
    Publishing country England
    Document type Journal Article ; Retraction of Publication
    ZDB-ID 840961-4
    ISSN 1532-2661 ; 0034-5288
    ISSN (online) 1532-2661
    ISSN 0034-5288
    DOI 10.1016/j.rvsc.2021.07.011
    Database MEDical Literature Analysis and Retrieval System OnLINE

    Full text online

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 673: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
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  7. Article ; Online: RETRACTION: Antibiotic growth promoters virginiamycin and bacitracin methylene disalicylate alter the chicken intestinal metabolome

    Gadde, Ujvala Deepthi / Oh, Sungtaek / Lillehoj, Hyun / Lillehoj, Erik

    Scientific reports. 2018 Feb. 26, v. 8, no. 1

    2018  

    Abstract: Although dietary antibiotic growth promoters have long been used to increase growth performance in commercial food animal production, the biochemical details associated with these effects remain poorly defined. A metabolomics approach was used to ... ...

    Abstract Although dietary antibiotic growth promoters have long been used to increase growth performance in commercial food animal production, the biochemical details associated with these effects remain poorly defined. A metabolomics approach was used to characterize and identify the biochemical compounds present in the intestine of broiler chickens fed a standard, unsupplemented diet or a diet supplemented with the antibiotic growth promoters, virginiamycin or bacitracin methylene disalicylate. Compared with unsupplemented controls, the levels of 218 biochemicals were altered (156 increased, 62 decreased) in chickens given the virginiamycin-supplemented diet, while 119 were altered (96 increased, 23 decreased) with the bacitracin-supplemented diet. When compared between antibiotic-supplemented groups, 79 chemicals were altered (43 increased, 36 decreased) in virginiamycin- vs. bacitracin-supplemented chickens. The changes in the levels of intestinal biochemicals provided a distinctive biochemical signature unique to each antibiotic-supplemented group. These biochemical signatures were characterized by increases in the levels of metabolites of amino acids (e.g. 5-hydroxylysine, 2-aminoadipate, 5-hydroxyindoleaceate, 7-hydroxyindole sulfate), fatty acids (e.g. oleate/vaccenate, eicosapentaenoate, 16-hydroxypalmitate, stearate), nucleosides (e.g. inosine, N6-methyladenosine), and vitamins (e.g. nicotinamide). These results provide the framework for future studies to identify natural chemical compounds to improve poultry growth performance without the use of in-feed antibiotics.
    Keywords bacitracin ; broiler chickens ; eicosapentaenoic acid ; feed supplements ; growth performance ; growth promotion ; hydroxylysine ; inosine ; intestinal microorganisms ; intestines ; medicated feeds ; metabolome ; nicotinamide ; poultry feeding ; stearic acid ; virginiamycin
    Language English
    Dates of publication 2018-0216
    Document type Article ; Online
    Note Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.
    ZDB-ID 2615211-3
    ISSN 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-018-22004-6
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  8. Article: Growth-Promoting and Antioxidant Effects of Magnolia Bark Extract in Chickens Uninfected or Co-Infected with Clostridium perfringens and Eimeria maxima as an Experimental Model of Necrotic Enteritis

    Oh, Sungtaek / Gadde, Ujvala Deepthi / Bravo, David / Lillehoj, Erik P / Lillehoj, Hyun S

    Current developments in nutrition. 2018 Apr. 01, v. 2, no. 4

    2018  

    Abstract: Magnolia tree bark has been widely used in traditional Asian medicine. However, to our knowledge, no studies have been reported investigating the effects of dietary supplementation with magnolia bark extract in chickens. We tested the hypothesis that ... ...

    Abstract Magnolia tree bark has been widely used in traditional Asian medicine. However, to our knowledge, no studies have been reported investigating the effects of dietary supplementation with magnolia bark extract in chickens. We tested the hypothesis that dietary supplementation of chickens with a Magnolia officinalis bark extract would increase growth performance in uninfected and Eimeria maxima/Clostridium perfringens co-infected chickens. A total of 168 chickens were fed from hatch either a standard diet or a diet supplemented with 0.33 mg or 0.56 mg M. officinalis bark extract/kg (M/H low or M/H high, respectively) from days 1 to 35. At day 14, half of the chickens were orally infected with E. maxima, followed by C. perfringens infection at day 18 to induce experimental avian necrotic enteritis. Daily feed intake, feed conversion ratio, body weight gain, and final body weight were measured as indicators of growth performance. Serum α1-acid glycoprotein (AGP) concentrations were measured as an indicator of systemic inflammation, and intestinal lesion scores were determined as a marker of disease progression. Transcript levels for catalase, heme oxygenase 1, and superoxide dismutase in the intestine, liver, spleen, and skeletal muscle were measured as indicators of antioxidant status. Growth performance increased between days 1 and 35 in uninfected and E. maxima/C. perfringens co-infected chickens fed M/H-low or M/H-high diets compared with unsupplemented controls. Gut lesion scores were decreased, whereas AGP concentrations were unchanged, in co-infected chickens fed magnolia-supplemented diets compared with unsupplemented controls. In general, transcripts for antioxidant enzymes increased in chickens fed magnolia-supplemented diets compared with unsupplemented controls, and significant interactions between dietary supplementation and co-infection were observed for all antioxidant enzyme transcript levels. Magnolia bark extract might be useful for future development of dietary strategies to improve poultry health, disease resistance, and productivity without the use of antibiotic growth promoters.
    Keywords Clostridium perfringens ; Eimeria maxima ; Magnolia officinalis ; Oriental traditional medicine ; antibiotics ; antioxidant activity ; antioxidants ; bark ; blood serum ; body weight changes ; catalase ; chickens ; dietary supplements ; disease course ; disease resistance ; feed conversion ; feed intake ; glycoproteins ; growth performance ; growth promotion ; hatching ; heme oxygenase (biliverdin-producing) ; inflammation ; intestines ; liver ; mixed infection ; models ; necrotic enteritis ; skeletal muscle ; spleen ; superoxide dismutase ; trees
    Language English
    Dates of publication 2018-0401
    Publishing place Oxford University Press
    Document type Article
    ISSN 2475-2991
    DOI 10.1093/cdn/nzy009
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  9. Article ; Online: Growth-Promoting and Antioxidant Effects of Magnolia Bark Extract in Chickens Uninfected or Co-Infected with

    Oh, Sungtaek / Gadde, Ujvala Deepthi / Bravo, David / Lillehoj, Erik P / Lillehoj, Hyun S

    Current developments in nutrition

    2018  Volume 2, Issue 4, Page(s) nzy009

    Abstract: Background: Magnolia tree bark has been widely used in traditional Asian medicine. However, to our knowledge, no studies have been reported investigating the effects of dietary supplementation with magnolia bark extract in chickens.: Objective: We ... ...

    Abstract Background: Magnolia tree bark has been widely used in traditional Asian medicine. However, to our knowledge, no studies have been reported investigating the effects of dietary supplementation with magnolia bark extract in chickens.
    Objective: We tested the hypothesis that dietary supplementation of chickens with a
    Methods: A total of 168 chickens were fed from hatch either a standard diet or a diet supplemented with 0.33 mg or 0.56 mg
    Results: Growth performance increased between days 1 and 35 in uninfected and
    Conclusion: Magnolia bark extract might be useful for future development of dietary strategies to improve poultry health, disease resistance, and productivity without the use of antibiotic growth promoters.
    Language English
    Publishing date 2018-01-30
    Publishing country United States
    Document type Journal Article
    ISSN 2475-2991
    ISSN (online) 2475-2991
    DOI 10.1093/cdn/nzy009
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Characterization of Clostridium perfringens Strains Isolated from Healthy and Necrotic Enteritis-Afflicted Broiler Chickens.

    Li, Charles / Lillehoj, Hyun S / Gadde, Ujvala Deepthi / Ritter, Don / Oh, SungTaek

    Avian diseases

    2017  Volume 61, Issue 2, Page(s) 178–185

    Abstract: Necrotic enteritis (NE) is an important enteric disease in poultry, and Clostridium perfringens (CP) type A strains are the primary etiology. NE is responsible for annual losses of US $6 billion to the poultry industry in the United States. An increase ... ...

    Abstract Necrotic enteritis (NE) is an important enteric disease in poultry, and Clostridium perfringens (CP) type A strains are the primary etiology. NE is responsible for annual losses of US $6 billion to the poultry industry in the United States. An increase in the incidence of NE has been also associated with withdrawal of antibiotic growth promoters from poultry feed. In this study, CP strains isolated from healthy and NE-afflicted birds were characterized microbiologically and molecularly, and their virulence was experimentally tested in chickens. All strains were hemolytic, lecithinase positive, and identified as CP by biochemical tests. Three distinct colony morphologies were seen in brain-heart infusion media with 0.3% agarose, FeSO
    MeSH term(s) Animals ; Chickens ; Clostridium Infections/microbiology ; Clostridium Infections/veterinary ; Clostridium perfringens/classification ; Clostridium perfringens/genetics ; Clostridium perfringens/isolation & purification ; Clostridium perfringens/pathogenicity ; Enteritis/microbiology ; Enteritis/veterinary ; Poultry Diseases/microbiology ; Virulence
    Language English
    Publishing date 2017-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 40871-2
    ISSN 1938-4351 ; 0005-2086
    ISSN (online) 1938-4351
    ISSN 0005-2086
    DOI 10.1637/11507-093016-Reg.1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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