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Abstract

The primary objective of the present study was to estimate the effect of Streptococcus agalactiae intramammary infection on milk production and somatic cell count (SCC) in Norwegian dairy cows. A secondary objective was to assess differences in the effect of common Strep. agalactiae sequence types...

Author(s)
Holmøy, I. H.; Toftaker, I.; Kirkeby, C.; Østerås, O.; Jørgensen, H. J.; Nødtvedt, A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 9, pp 8385-8399
Abstract

In order to establish a platform for immunological study on the transport of specific antigen mediated by IgG FcRn in dairy cattle to prove. IgG FcRn plays an important role in mucosal immunity of bovine mammary glands. The fusion antigen gene encoding Fc-Sip of the Surface immunogenic protein...

Author(s)
Li SongJian; Zhou YaPing; Lv TianXing; Shi XiaoNa; Guo Ting; Wu Qian; Cui Qi; Hao YongQing
Publisher
Chinese Journal of Preventive Veterinary Medicine, Harbin, China
Citation
Zhongguo Yufang Shouyi Xuebao / Chinese Journal of Preventive Veterinary Medicine, 2018, 40, 10, pp 945-949
Abstract

The primary objective of this study was to determine the distribution of major pathogens causing mastitis and analyze the association of the main pathogens with the type of milk {milk samples collected from cows with mastitis of different severities, which consisted of subclinical mastitis (Lanzhou ...

Author(s)
Song XiangBin; Huang XiaoPing; Xu HongYan; Zhang Cheng; Chen Shang; Liu Fei; Guan Shan; Zhang Shan; Zhu Kui; Wu CongMing
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2020, 247,
Abstract

To explore the immune effect of cow mastitis' Streptococcus agalactiae (Sgc) and Staphylococcus aureus (Sau)protective antigen subunit vaccine mediated by IgG FcRn, and to verify the important role of IgG FcRn in the local immune process of dairy cows, based on our previous research, Sgc Fc-Sip and ...

Author(s)
Li SongJian; Zhou YaPing; Lv TianXing; Du Lin; Guo Ting; Hao YongQing
Publisher
Chinese Journal of Preventive Veterinary Medicine, Harbin, China
Citation
Zhongguo Yufang Shouyi Xuebao / Chinese Journal of Preventive Veterinary Medicine, 2020, 42, 3, pp 280-286
Abstract

We investigated the distribution of pathogenic non-agalactiae gram-positive, catalase-negative cocci (GPCN) in a convenience sample of New York State dairy farms. Our primary objective with the clinical mastitis (CM) GPCN samples was to evaluate somatic cell count (SCC) resolution and...

Author(s)
Smith, J. C. S.; Moroni, P.; Santisteban, C. G.; Rauch, B. J.; Ospina, P. A.; Nydam, D. V.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 2, pp 1785-1794
Abstract

A bacterium LB110808-2 was isolated from the spleen of a moribund tilapia in August 2011 in Guangxi Province, and identified as Streptococcus agalactiae by 16 S rRNA gene. The antisera against strain LB110808-2 were obtained from the New Zealand white rabbit. The titer of the polyclonal antibody...

Author(s)
Zhu JingLin; Li DaYu; Xiao Wei; Zou ZhiYing; Yang Hong
Publisher
Science Press, Beijing, China
Citation
Journal of Fisheries of China, 2016, 40, 12, pp 1906-1914
Abstract

To investigate Streptococcal infection from cows in Hainan, sixty-seven milk samples were collected from a dairy farm in Chengmai county in 2017. The examination results showed that 20 of these samples were contaminated by Streptococcus (4 of S. pasteurianus and 16 of S. uberis) by using the...

Author(s)
Wang Yu; Guo GuiYing; Zhang ZhiYong; Qin Ye; Pu WenYuan; Yang Nuo; Li Qian; Zeng JiFeng; Zheng JiPing
Publisher
Chinese Journal of Preventive Veterinary Medicine, Harbin, China
Citation
Zhongguo Yufang Shouyi Xuebao / Chinese Journal of Preventive Veterinary Medicine, 2019, 41, 1, pp 93-97
AbstractFull Text

Bovine mastitis is an infectious disease that causes economic losses in dairy herds due to impaired milk production and milk quality and costs with both culling and treatment. The objective of this study was to analyse an outbreak of bovine mastitis in a large dairy herd in the state of Rio Grande...

Author(s)
Guilloux, A. G. A.; Cardoso, M. R. de I.; Corbellini, L. G.
Publisher
Universidade Federal do Rio Grande do Sul, Faculdade de Veterinária, Porto Alegre, Brazil
Citation
Acta Scientiae Veterinariae, 2008, 36, 1, pp 1-6
Abstract

The objective of this study was to estimate the prevalence of mycoplasma, Staphylococcus aureus, and Streptococcus agalactiae in bulk tank milk (BTM) in Quebec dairy herds. BTM was sampled 3 times a month in 117 randomly selected dairy herds. Samples were submitted for S. aureus, S. agalactiae, and ...

Author(s)
Francoz, D.; Bergeron, L.; Nadeau, M.; Beauchamp, G.
Publisher
Canadian Veterinary Medical Association, Ottawa, Canada
Citation
Canadian Veterinary Journal, 2012, 53, 10, pp 1071-1078
Abstract

In this review article the authors highlight the public health significance of the pathogens causing either primary, intravital infection of the raw milk or secondary, mainly faecal contamination of it. Of the pathogens causing intravital infection, first the zoonotic importance of the mastitis...

Author(s)
Laczay, P.; Lehel, J.; Lányi, K.; László, N.
Publisher
NAKVI, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2016, 138, 4, pp 231-242

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