[UH-P01] Effects of sampling volume of foremilk for the evaluation of somatic cell counts and bacterial counts

〇Nana Kitano¹, Yosio Kiku², Naoki Isobe³, Hidetoshi Higuchi⁴, Yuuya Nagasawa², Tomohito Hayashi², Toshihiko Takahashi¹ (1. Livestock Hygiene Lab.,Graduate School of Dairy Science.,Rakuno Gakuen Univ., 2. National Institute of Animal Health, National Agriculture and Food Research Organization., 3. Animal Histophysiology.,Graduate School of Biosphere Science., Hiroshima Univ., 4. Animal Health Lab., Faculty of Vet. Med., Rakuno Gakuen Univ.)

[UH-P02] Udder disinfection and milking machine cleaning on large Holstein-Friesian farms

〇Laszlo Ozsvari¹, Tamas Lipthay² (1. Dep. of Veterinary Forensics, Law and Economics, Univ. of Veterinary Medicine Budapest, 1078 Budapest Istvan u. 2. Hungary, 2. HYPRED HUNGARY and ANTI-GERM HUNGARY, 2040 Budaörs, Gyár u. 2. Hungary)

[UH-P03] Evaluating the in vitro susceptibility of mastitis associated catalase-negative, esculin hydrolyzing cocci in Austrian dairy herds

〇Regina Wald¹, Colette Hederer¹, Beatrix Stessl², Thomas Wittek¹, Martina Baumgartner¹, (1. Clinic for Ruminants, University of Veterinary Medicine, Vienna, Austria, 2. Institute for Milk Hygiene, Milk Technology and Food Science, University of Veterinary Medicine, Vienna, Austria)

[UH-P04] Antibiotic sensitivity of Clinical and Subclinical Mastitis Pathogens in Turkey

〇Dogus Palavan Ozkan¹, Barlas Bozyegit¹, Jale Erdeger², Bartu Yasli², Basak Erdem², Jantijn Swinkels³ (1. MSD Animal Health, Turkey, 2. Agrilab Veterinary Laboratory Services, AYDIN, Turkey, 3. MSD Animal Health, Boxmeer, The Netherlands)

[UH-P05] Antimicrobial susceptibility trends for strains derived from bovine mastitic milk in Japan

〇Kazuhiro Kawai¹, Yasunori Shinozuka¹, Yoshiaki Watanabe¹, Hidetoshi Higuchi², Hidetomo Iwano², Tomohito Hayashi³, Ikuo Uchida², Yukino Tamamura³, Yasuko Hanafusa³ (1. Azabu University, 2. Rakuno Gakuen University, 3. National Agriculture and Food Research Organization)

[UH-P06] Bacterial identification and antimicrobial susceptibility of microorganisms isolated in goat milk

Rachel Rios Lacerda¹, 〇Viviani Gomes², Karina Medici Madureira¹ (1. College of Veterinary Medicine, Federal University of Bahia, 2. College of Veterinary Medicine and Animal Science, University of São Paulo)

[UH-P07] Randomized clinical trial to evaluate the effectiveness of enrofloxacin as a second-line antibiotic for treatment of acute Escherichia coli mastitis

〇Yasunori Shinozuka¹, Michiaki Yamada², Akira Takeda², Fumi Kayasaki², Nao Kondo², Yoshiko Sasaki², Nahoko Kanai², Takuma Mukai², Naoki Sawaguchi², Masaya Higuchi², Haruka Kondo², Kouki Sugimoto², Akane Yasuda¹, Aiko Watanabe¹, Kazuhiro Kawai¹ , (1. Azabu University, 2. NOSAI Doto)

[UH-P08] Evaluation of a herbal therapy in bovine subclinical mastitis: A clinical assessment

Dhiraj Kumar Gupta¹, 〇Dhiraj Kumar Gupta², Baljinder Kumar Bansal³, Shukriti Sharma⁴, Sanjeev Kumar Uppal⁵, (1. Patel Raj Kuamr, MVSc student, Veterinary Medicine, Guru Angad Dev Veterinary and Animal Sciences University, 2. Dhiraj Kumar Gupta, Assistant Scientist, Veterinary Medicine, Guru Angad Dev Veterinary and Animal Sciences University, 3. Baljinder Kumar Bansal, Professor, Veterinary Medicine, Guru Angad Dev Veterinary and Animal Sciences University, 4. Shukriti Sharma, Associate Professor, Veterinary Medicine, Guru Angad Dev Veterinary and Animal Sciences University, 5. Sanjeev Kumar Uppal, Professor and Head, Veterinary Medicine, Guru Angad Dev Veterinary and Animal Sciences University)

[UH-P09] Application of Novel Biosurfactant, Mannosylerythriol lipid-B, for improving the bovine mastitis.

〇SHUHEI YAMAMOTO¹, KEIICHI HISAEDA², TOMOKO KOSHIISHI², NAOKI ISOBE³, MASAO KITABAYASHI¹, (1. TOYOBO CO., LTD. Biochemical Department, 2. Nanyo veterinary clinic , Ehime P. F. A. M. A. A., 3. Graduate School of Biosphere Science, Hiroshima University)

[UH-P10] Effect of combination treatment of refractory chronic mastitis in the dairy cow, using intramammary perfusion with hypertonic saline solution followed by short-term dry-off

〇masato kikuchi¹, hisae sugawara¹, natsuki ohtani¹, tomohiko nakamura¹, fuminosuke yamamura¹, hidekazu tanaka¹, chiaki kai², yoshio kiku² (1. Seibu Veterinary Clinic,Chiba P.F.A.M.A.A, 2. National Institute of Animal Health, NARO)

[UH-P11] The use of Cabergoline as a strategy for the prevention of new intramammary infections during the dry period and clinical mastitis after calving

〇A. I. de Prado-Taranilla¹, K. A. Leach², B. Payne², V. White², M.J. Green³, A.J. Bradley^2,3 (1. Ceva Sante Animale, 2. Quality Milk Management Services Ltd, Cedar Barn, Easton Hill, Easton, Wells. UK. , 3. University of Nottingham, School of Veterinary Medicine and Science, Sutton Bonington Campus, Loughborough. UK.)

[UH-P12] Cabergoline as a tool to reduce the incidence of milk leakage. Results in Russian farms

〇A. I. de Prado-Taranilla¹, L. Grigorev², A. Velthuis³, Y.H. Schukken³, A. Bach^4,5, S.S. Lebedeva ⁶, M. G. Aligadziev ⁶ (1. Ceva Sante Animale, Libourne, France, 2. CEVA Santé Animale, Moscow, Russia, 3. GD Animal Health, Deventer, the Netherlands, 4. ICREA, Barcelona, Spain., 5. Department of Ruminant Production, IRTA , Barcelona, Spain, 6. Veterinary consultant)

[UH-P13] Cabergoline treatment at dry-off facilitated the remodelling and the lactoferrin immunoprotection of the mammary tissue in dairy cows.

A. I. de Prado-Taranilla¹, M. Boutinaud², N. Isaka¹, E. Gandemer², L. Sordillo³, V. Lollivier^2,4, 〇Juan Munoz-Bielsa¹ (1. Ceva Sante Animale. Libourne.France., 2. Inra agrocampus ouest umr 1348 Pegase, F 35590 Saint Gilles, France, 3. College of Veterinary Medicine, Michigan State University MI 48824, USA, 4. Université Bretagne Loire, 35044 Rennes, France)

[UH-P14] Cabergoline treatment at dry-off accelerated mammary involution as indicated by mammary secretion composition changes in dairy cows.

A. I. de Prado-Taranilla¹, M Boutinaud³, N. Isaka¹, E. Gandemer³, L. Sordillo², V. Lollivier^3,4, 〇Juan Munoz-Bielsa¹ (1. Ceva Sante Animale, Libourne, France, 2. College of Veterinary Medicine, Michigan State University MI 48824, USA, 3. Inra agrocampus ouest umr 1348 Pegase, F 35590 Saint Gilles, France, 4. Université Bretagne Loire, 35044 Rennes, France)

[UH-P15] Presence of milk leakage on days following dry-off increased the risk of clinical mastitis and new intramammary infections at calving in commercial dairy herds around Europe

〇A. I. de Prado-Taranilla¹, M. Holstege², L. Bertocchi³, A. Appiani³, O. Becvar³, J. Davidek³, D. Bay³, L.M. Jimenez³, K. Krömker³, J.H. Paduch³, S. Piepers³, T. Van Werven³, A. Veenkamp³, B. Dalez³, P. Le Page³, Y.H. Schukken², A. Velthuis² (1. Ceva Sante Animale, 2. GD Animal Health, Deventer, The Netherlands, 3. Milk leakage research consortium)

[UH-P16] The efficacy of Tylosin injection for treating subclinical SA mastitis in dry cow therapy

〇Yosuke Hamajima¹, Mitsugi Ito¹ (1. Akabane Animal Clinic)

[UH-P17] **Determination of the presence of Salmonella spp. in milk samples from two dairy herds located in the Sabana de Bogota-Colombia**

〇Rubiela Castaneda-Salazar¹, Olimpo J Oliver-Espinosa², Adriana Pulido-Villamarin¹, Geraldine Angel-Rodriguez¹ (1. Unidad de Investigaciones Agropecuarias (UNIDIA), Department of Microbiology, Faculty of Science, Pontificia Universidad Javeriana. Bogotá – Colombia., 2. Department of Animal Health, Faculty of Veterinary Medicine and Zootechny, Universidad Nacional de Colombia. )

[UH-P18] Evaluation of the distribution of drug residues in different dairy products during the cheese production process

Valentina Gamba¹, Paolo Daminelli¹, 〇Giorgio Zanardi¹ (1. Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna - Brescia - Italy)

[UH-P19] An Observational Cohort Study on Persistency of an Internal Teat Sealant Residue in Milk after Calving in Dairy Cows

〇Fidele Kabera^1,2, Simon Dufour^1,2, Greg Keefe^2,3, Jean-Philippe Roy^1,2 (1. Universite de Montreal, Saint-Hyacinthe, QC, Canada, 2. Canadian Bovine Mastitis and Milk Quality Research Network, Saint-Hyacinthe, QC, Canada, 3. University of Prince Edward Island, Charlottetown, PE, Canada)

[UH-P20] Effect of gamma irradiation treatment of freeze-drying colostrum on colostrum bacteriology and immunoglobulin G concentrations

〇Kichan Lee¹, Young Min Son¹, Mi-Hye Hwang¹, Kwang-Ho Choi¹, Bang-Hun Hyun¹, Byeong Yeal Jung¹ (1. Bacterial Disease Division, Animal and Plant Quarantine Agency)

[UH-P21] Effects of dietary clinoptilolite supplementation on udder health and chemical composition of milk in dairy cows over two consecutive years

In-feed clinoptilolite supplementation and udder health in dairy cows

Drazen Djuricic¹, Miroslav Benic², Nino Macesic³, Romana Turk², Luka Cvetnic², Damjan Gracner³, Vesna Dobranic³, Iva Getz³, Martina Lojkic³, 〇Marko Samardzija¹ , (1. Veterinary Practice Djurdjevac, Djurdjevac, Croatia, 2. Croatian Veterinary Institute, Zagreb, Croatia, 3. Faculty of Veterinary Medicine University of Zagreb, Croatia)

[UH-P22] Regional Attempts to Enhance Milk Quality Through Introducing Management of HACCP in Milk Production in Shibecha Town, Hokkaido

〇MANABu Kubota¹ (1. Hokkaido-Higashi Mutual Aid Association)

[UH-P23] Case Report: Field experience with a polyvalent mastitis vaccine in a commercial dairy farm infected with Klebsiella

Shinji Kenzaki¹, 〇Jae Choi², Michal Pochodyla² (1. Kagoshima Chu-bu A.M.A.A., Japan, 2. Laboratorios HIPRA)

[UH-P24] **The effect of vaccination on bacterial count, somatic cell score, milk yield and vaginal temperature following experimental Escherichia coli mastitis**

Nicole Steele^1,2, Kellie Enger¹, Turner Swartz¹, Anny Willard¹, Hollie Schramm³, Joseph Hogan⁴, 〇Scott Nordstrom⁵, Christina Petersson-Wolfe¹, Geert Vertenten⁶ (1. Department of Dairy Science, Virginia Tech, Blacksburg, VA, 24061, United States, 2. DairyNZ Ltd, Private Bag 3221, Hamilton, 3240, New Zealand, 3. Virginia-Maryland Regional College of Veterinary Medicine, Blacksburg, VA, 24061, United States, 4. Department of Animal Sciences, The Ohio State University, Wooster, OH, 44691, United States, 5. MSD Animal Health, Madison, NJ, 0794, United States, 6. MSD Animal Health, Boxmeer, The Netherlands)

[UH-P25] Immune response during onset of coliform mastitis in vaccinated dairy cows

〇Yasuha Kondo¹, Naoki Isobe², Ryusaku Kawata³, Aiko Watanabe¹, Yasunori Shinozuka¹, Kazuhiro Kawai¹ (1. Azabu University, 2. Hiroshima University, 3. Kawata Veterinary Clinic)

[UH-P26] Influence of Bovine Leukemia Virus infection on clinical mastitis

〇Aiko Watanabe^1,2, Hironobu Murakami¹, Seiichi Kakinuma², Koki Murao ², Kaori Ohma², Naoki Isobe³, Yasunori Shinozuka¹, Kazuhiro Kawai¹ (1. School of Veterinary Medicine, Azabu Univ., 2. Kakinuma Veterinary Hospital, 3. Graduate School of Biosphere Science, Hiroshima Univ.)

[UH-P27] **Improving mastitis diagnosis of presumptive Streptococcus uberis isolates applying 16S rRNA gene sequencing**

〇Regina Wald¹, Martina Baumgartner¹, Verena Urbantke¹, Beatrix Stessl², Thomas Wittek¹, (1. Clinic for Ruminants, University of Veterinary Medicine, Vienna, Austria, 2. Institute for Milk Hygiene, Milk Technology and Food Science, University of Veterinary Medicine, Vienna, Austria)

[UH-P28] A diagnostic tool for the detection and quantification of pathogenic bacteria in bovine milk samples from dairy farms in South Korea

Doo Kim¹, 〇Jae Choi², Michal Pochodyla² (1. Kangwon National University, 2. Laboratorios HIPRA)

[UH-P29] Usefulness of matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) for the identification of non-aureus staphylococci isolated from bovine intramammary gland infections in Poland

Jan Twardon¹, Anna Wanecka¹, 〇Jaroslaw Krol¹, Jacek Mrowiec¹, Agnieszka Korzeniowska-Kowal², Anna Tobiasz² (1. Wroclaw University of Environmental and Life Sciences, 2. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences)

[UH-P30] Validation of prediction algorithms for early detection of clinical mastitis caused by Gram-positive and Gram-negative pathogens

〇Nicole Steele^1,3, Andrea Dicke¹, Albert De Vries², Jane Lacy-Hulbert³, Robin White⁴, Christina Petersson-Wolfe¹ (1. Department of Dairy Science, Virginia Tech, Blacksburg, VA, 24061, United States, 2. Department of Animal Sciences, University of Florida, Gainesville, FL, 32611, United States, 3. DairyNZ Ltd, Private Bag 3221, Hamilton, 3240, New Zealand, 4. Department of Animal and Poultry Science, Virginia Tech, Blacksburg, VA, 24061, United States)

[UH-P31] Ability of milk electrical conductivity and the sodium, potassium, and calcium concentrations measured by hand-held instruments to diagnose subclinical mastitis at dry-off in dairy cattle

Sahar Kandeel^1,2, 〇Ameer Ahmed Megahed^1,2, Peter Constable¹ (1. University of Illinois at Urbana-Champaign , 2. Benha University, Egypt)

[UH-P32] Predicting the infection status of the bovine mammary gland at the end of lactation using RMT and electrical conductivity

〇Scott McDougall¹, Khaled Gohary¹ (1. Cognosco, Anexa FVC)

[UH-P33] Exfoliation rate of mammary epithelial cells into milk on bovine mastitis caused by Staphylococcus aureus is associated with bacterial load

〇Tomohito Hayashi¹, Yuya Nagasawa¹, Yoshio Kiku¹, Kazue Sugawara¹ (1. National Institute of Animal Health, NARO)

[UH-P34] **Risk factors associated to Capsular Type II Streptococcus agalactie isolated from bulk tank milk in Western Colombia**

Juan Velasco-Bolanos¹, Ana Soffia Jaramillo-Jaramillo¹, Claudia Cobo-Angel¹, 〇Alejandro Ceballos-Márquez¹ (1. Research group in Calidad de Leche y Epidemiología Veterinaria, Universidad de Caldas, Manizales, Colombia)

[UH-P35] Difference in transmission between Escherichia coli and Klebsiella pneumoniae causing bovine mastitis by molecular epidemiological analyses

〇Nobuyuki Kusaba¹, Anna Miyano¹, Reona Kobayashi², Takahiro Suzuki¹, Junichi Ito¹, Wataru Miki¹ (1. Fed. of Hokkaido Agricultural Mutual Aid Associations, 2. Hokkaido Chuou Agricultural Mutual Aid Association)

[UH-P36] **Coagulase negative staphylococci may act as a protection factor against Streptococcus agalactiae udder infections**

Funded by Sistema General de Regalías de Risaralda

Ana Maria Colonia Orozco^1,3, Carlos Lüders Post², Adalucy Álvarez Aldana¹, 〇Alejandro Ceballos Márquez³ (1. Univ. Libre Seccional Pereira, 2. Univ. Católica de Temuco, 3. Univ. de Caldas)

[UH-P37] **Genetic and phenotypic diversity of Staphylococcus haemolyticus isolated from intramammary gland infections in cows**

〇Jaroslaw Krol¹, Anna Wanecka¹, Jan Twardon¹, Jacek Mrowiec¹, Agnieszka Korzeniowska-Kowal², Anna Tobiasz² (1. Wroclaw University of Environmental and Life Sciences, 2. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences)

[UH-P38] PHYSIOLOGICAL AND PATHOLOGICAL ALTERATIONS OF THE MAMMARY GLAND OF HOLSTEIN COWS IN THE TRANSITION PERIOD

Jean Silva Ramos¹, Karina Medici Madureira², Vinicius Alvim Passos Baldacim¹, Cynthia Pereira da Costa e Silva¹, 〇Viviani Gomes¹, (1. Veterinary Clinical Science Program, College of Veterinary Medicine and Animal Science, University of São Paulo, Brazil, 2. College of Veterinary Medicine and Animal Science – Federal University of Bahia, Salvador, Brazil)

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ポスター発表 » Udder Health and Milk Quality

[PS30] 30. Udder Health and Milk Quality

In-feed clinoptilolite supplementation and udder health in dairy cows

Funded by Sistema General de Regalías de Risaralda