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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
AbstractFull Text

Objective: The pilus island auxiliary protein gene (AP2) of Horqin bovine mastitis pathogen (Streptococcus agalactiae) were cloned and analysed, in order to provide theoretical basis for further study on immune mechanisms of bovine mastitis pathogen S. agalactiae and preparation of new immunogenic...

Author(s)
Xilingaowa; Du ChangZhi; Wu JinHua; Wang Hua; Bai WenLi; Yu ChenLong; Burie
Publisher
Guangxi Academy of Agricultural Sciences, Nanning, China
Citation
Journal of Southern Agriculture, 2015, 46, 12, pp 2185-2190
Abstract

Objective: To clone and sequence a gene that codes for a pilus backbone protein (PI-2a) of Streptococcus agalactiae causing bovine mastitis in the City of Tongliao in Inner Mongolia. Methods: The bioinformatic software DNASTAR was used to analyze the sequence of the PI-2a gene of S. agalactiae...

Author(s)
Bai WenLi; Wu JinHua; Xi LiIn Gao-wa; Bu RiE; Wang Hua
Publisher
Publishing House of Journal of Pathogen Biology, Shandong, China
Citation
Zhongguo Bingyuan Shengwuxue Zazhi / Journal of Pathogen Biology, 2017, 12, 6, pp 505-508
Abstract

The objectives of this study were to estimate the accuracy of Somaticell (Idexx Laboratories Inc., Westbrook, ME), California Mastitis Test (CMT), and microbiological examination of composite milk (MEC) to diagnose Streptococcus agalactiae intramammary infections (IMI), and to assess the agreement...

Author(s)
Rossi, R. S.; Amarante, A. F.; Correia, L. B. N.; Guerra, S. T.; Nobrega, D. B.; Latosinski, G. S.; Rossi, B. F.; Rall, V. L. M.; Pantoja, J. C. F.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 11, pp 10220-10229
Abstract

The objective of this study was to perform secondary validation of the qualitative culture method used for the detection of Staphylococcus aureus and Streptococcus agalactiae in bovine milk samples suspected of mastitis. It was shown that the method was able to detect the strains, with a...

Author(s)
Vargas Hoyos, K.; Vidal Arboleda, J.; Olivera-Angel, M.
Publisher
Universidad de Ciencias Aplicadas y Ambientales, Bogata, Colombia
Citation
Revista U.D.C.A. Actualidad & Divulgación Científica, 2018, 21, 1, pp 271-275
Abstract

Objective: To clone and analyze the antigenicity of a fragment of a gene that codes for a pilus backbone protein (BP) in Streptococcus agalactiae causing mastitis in dairy cattle. Methods: The software Primer 5.0 was used to design a pair of specific primers in accordance with the sequence of an S. ...

Author(s)
Bai WenLi; Wang JinLiang; Xi LinGaoWa; Wu JinHua; Dong Lin; Sun LiJie; Wang Hua; Chao LuoMeng; Bu RiE
Publisher
Publishing House of Journal of Pathogen Biology, Shandong, China
Citation
Zhongguo Bingyuan Shengwuxue Zazhi / Journal of Pathogen Biology, 2017, 12, 4, pp 294-297
Abstract

Objective: To clone and sequence the PI-2a fimbriae island ancillary protein 2 (AP2) gene of bovine mastitis Streptococcus agalactiae from Horqin diary catties in east part of Inner Mongolia Autonomous Region, China. Methods: According to the published PI-2a fimbriae island AP2 gene sequences of ...

Author(s)
Xi LinGaoWa; Du ChangZhi; Wu JinHua; Yu ChenLong; Bu RiE
Publisher
Editorial Office, Chinese Journal of Biologicals, Changchun, China
Citation
Chinese Journal of Biologicals, 2015, 28, 12, pp 1269-1273
AbstractFull Text

The sip gene encoding for a conserved highly immunogenic surface protein of Streptococcus agalactiae was amplified using polymerase chain reaction (PCR) and subcloned into prokaryotic expression vector pET32a (+) and expressed as a recombinant protein in E. coli BL21 (DE3). An indirect enzyme...

Author(s)
Bu, R. E.; Wang, J. L.; DebRoy, C.; Wu, J. H.; Xi, L. G. W.; Liu, Y.; Shen, Z. Q.
Publisher
Shiraz University, Shiraz, Iran
Citation
Iranian Journal of Veterinary Research, 2015, 16, 3, pp 283-287
AbstractFull Text

Objective: The aim of this study was to establish a rapid and accurate method for the detection of the Streptococcus agalactiae antibody (SA-Ab) to determine the presence of the bovine mastitis (BM)-causative pathogen. Methods: The multi-subunit fusion protein rSip-Pgk-FbsA was prokaryotically...

Author(s)
Bu RiE; Wang JinLiang; Wu JinHua; Xilin GaoWa; Chen JinLong; Wang Hua
Publisher
Polish Academy of Sciences, Committee of Veterinary Sciences, Olsztyn-Kortowo II, Poland
Citation
Polish Journal of Veterinary Sciences, 2017, 20, 2, pp 355-362
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

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