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https://www.readbyqxmd.com/read/28336361/a-novel-multiplex-pcr-assay-for-simultaneous-detection-of-nine-clinically-significant-bacterial-pathogens-associated-with-bovine-mastitis
#1
Aqeela Ashraf, Muhammad Imran, Tahir Yaqub, Muhammad Tayyab, Wasim Shehzad, Peter C Thomson
For rapid and simultaneous detection of nine bovine mastitic pathogens, a sensitive and specific multiplex PCR assay was developed. The assay was standardized using reference strains and validated on mastitic milk cultures which were identified to species level based on 16S rRNA sequencing. Multiplex PCR assay also efficiently detected the target bacterial strains directly from milk. Detection limit of the assay was up to 50 pg for DNA isolated from pure cultures and 10(4) CFU/ml for spiked milk samples. As estimated by latent class analysis, the assay was sensitive up to 88% and specific up to 98% for targeted mastitic pathogens, compared with the bacterial culture method and the 16S rRNA sequence analysis...
March 20, 2017: Molecular and Cellular Probes
https://www.readbyqxmd.com/read/28331742/negative-pressure-wound-therapy-in-chronic-inflammatory-breast-diseases
#2
Ozan Barış Namdaroğlu, Hilmi Yazıcı, Ahmet Mücteba Öztürk, Savaş Yakan, Mehmet Yıldırım, Ahmet Deniz Uçar, Nazif Erkan
Mastitis is inflammation of breast tissue that may or may not originate from an infection. Two different forms of mastitis have been described, lactational and non-lactational. Lactational mastitis is the most common type and generally conservative therapy that includes milk removal and physical therapy provides symptomatic relief, but antibiotic therapy is also needed. Common types of non-lactational mastitis are periductal mastitis and idiopathic granulomatous mastitis. Treatment includes antibiotics, drainage, and surgery, but usually this is a chronic process and a therapeutic management algorithm for chronic breast inflammation is unclear and has no consensus...
April 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28323870/contribution-of-sortase-srta2-to-lactobacillus-casei-bl23-inhibition-of-staphylococcus-aureus-internalization-into-bovine-mammary-epithelial-cells
#3
Renata F S Souza, Julien Jardin, Chantal Cauty, Lucie Rault, Damien S Bouchard, Luis G Bermúdez-Humarán, Philippe Langella, Vicente Monedero, Núbia Seyffert, Vasco Azevedo, Yves Le Loir, Sergine Even
Probiotics have been considered as a promising strategy to prevent various diseases in both humans and animals. This approach has gained interest in recent years as a potential means to control bovine mastitis. In a previous study, we found that several L. casei strains, including BL23, were able to inhibit the internalization of S. aureus, a major etiologic agent of mastitis, into bovine mammary epithelial cells (bMEC). This antagonism required a direct contact between L. casei and bMEC or S. aureus, suggesting the inhibition relied on interactions between L...
2017: PloS One
https://www.readbyqxmd.com/read/28321788/characteristics-of-aerococcus-viridans-isolated-from-bovine-subclinical-mastitis-and-its-effect-on-milk-scc-yield-and-composition
#4
Meng Sun, Jian Gao, Tariq Ali, Dan Yu, Shiyao Zhang, Saeed U Khan, Séamus Fanning, Bo Han
Aerococcus viridians (A. viridans), an environmental Gram-positive bacterium, has been documented to be associated with bovine mastitis. However, its exact role in bovine mastitis and the changes it brings about in milk characteristics are not yet known. The objectives of the current study were to describe the antibiotic resistance of A. viridans from bovine mastitis as well as the correlation between existence of this pathogen in udders and the somatic cell counts (SCC), daily milk yield, and composition of individual cow...
March 20, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28321344/pituitary-adenoma-and-hyperprolactinemia-accompanied-by-idiopathic-granulomatous-mastitis
#5
Sebahattin Destek, Vahit Onur Gul, Serkan Ahioglu, Kursat Rahmi Serin
Idiopathic granulomatous mastitis (IGM) is a rare chronic inflammatory disease of the breast, and its etiology remains not fully elucidated. IGM is observed more often in patients with autoimmune disease. Hyperprolactinemia is observed during pregnancy, lactation, and a history of oral contraceptive use. A 39-year-old patient with no history of oral contraceptive use presented with complaints such as redness, pain, and swelling in her left breast. Ultrasound and magnetic resonance imaging (MRI) revealed a suspicious inflamed mass lesion...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28318584/short-communication-early-modification-of-the-circadian-organization-of-cow-activity-in-relation-to-disease-or-estrus
#6
Isabelle Veissier, Marie-Madeleine Mialon, Karen Helle Sloth
Biological rhythms are an essential regulator of life. There is evidence that circadian rhythm of activity is disrupted under chronic stress in animals and humans, and it may also be less marked during diseases. Here we investigated whether a detectable circadian rhythm of activity exists in dairy cows in commercial settings using a real-time positioning system. We used CowView (GEA Farm Technologies) to regularly record the individual positions of 350 cows in a Danish dairy farm over 5 mo and to infer the cows' activity (resting, feeding, in alley)...
March 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28318580/the-canadian-national-dairy-study-2015-adoption-of-milking-practices-in-canadian-dairy-herds
#7
E Belage, S Dufour, C Bauman, A Jones-Bitton, D F Kelton
Several studies have investigated which management practices have the greatest effect on udder health, but little information is available on how broadly the recommended milking practices are adopted across Canada. The National Dairy Study 2015 was designed to gather dairy cattle health and management data on dairy farms across Canada. The objectives of the present study were to describe the current proportions of adoption of milking practices on Canadian dairy farms, and identify factors associated with their use on farms...
March 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28299517/characterization-and-complete-genome-sequence-analysis-of-a-novel-virulent-siphoviridae-phage-against-staphylococcus-aureus-isolated-from-bovine-mastitis-in-xinjiang-china
#8
Qian Zhang, Shaozhen Xing, Qiang Sun, Guangqian Pei, Shi Cheng, Yannan Liu, Xiaoping An, Xianglilan Zhang, Yonggang Qu, Yigang Tong
Bovine mastitis is one of the most costly diseases in dairy cows worldwide. It can be caused by over 150 different microorganisms, where Staphylococcus aureus is the most frequently isolated and a major pathogen responsible for heavy economic losses in dairy industry. Although antibiotic therapy is most widely used, alternative treatments are necessary due to the increasing antibiotic resistance. Using phage for pathogen control is a promising tool in the fight against antibiotic resistance. Mainly using high-throughput sequencing, bioinformatics and our proposed phage termini identification method, we have isolated and characterized a novel virulent phage, designated as vB_SauS_IMEP5, from manure collected from dairy farms in Shihezi, Xinjiang, China, for use as a biocontrol agent against Staphylococcus aureus infections...
March 15, 2017: Virus Genes
https://www.readbyqxmd.com/read/28290594/-effects-of-vaccination-against-q-fever-in-lower-saxony-dairy-cattle-farms
#9
Stefanie Lehner, Katja Lohan, Heinz-Josef Dieckhoff, Ursula Gerdes
OBJECTIVE: Being a notifiable and zoonotic disease, Q-fever is coming under increasing focus of epizootic disease control. Current studies indicate that the disease is more widespread in Germany than the number of notifications suggest. Therefore, since 2013, under certain conditions a hardship allowance is granted by the Animal Diseases Fund of Lower Saxony for the vaccine costs of the basic immunization to support affected farms. Material und methods: All farmers, on whose farms clinical signs of Q-fever and the pathogen Coxiella burnetii had been detected prior to vaccination and who had taken advantage of the hardship allowance during the previous 2 years were surveyed to assess the effectiveness of the measure...
March 14, 2017: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://www.readbyqxmd.com/read/28290267/characterisation-of-penicillin-and-tetracycline-resistance-in-staphylococcus-aureus-isolated-from-bovine-milk-samples-in-minas-gerais-brazil
#10
Caroline L Martini, Carla C Lange, Maria Avp Brito, João B Ribeiro, Letícia C Mendonça, Eliana K Vaz
This Regional Research Communication describes the characterisation of ampicillin, penicillin and tetracycline resistance in Staphylococcus aureus isolated from bovine subclinical mastitis in Minas Gerais State, Brazil. Ninety S. aureus isolates from bovine mastitis exhibiting phenotypic resistance to ampicillin, penicillin and/or tetracycline were selected for this study. The minimum inhibitory concentration (MIC) of each antibiotic was determined using the E-Test® and the production of beta-lactamase was determined by cefinase disks...
March 14, 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28288845/sodium-houttuyfonate-inhibits-lps-induced-inflammatory-response-via-suppressing-tlr4-nf-%C3%A4-b-signaling-pathway-in-bovine-mammary-epithelial-cells
#11
Wenqing Wang, Xiaoyu Hu, Peng Shen, Naisheng Zhang, Yunhe Fu
Mastitis is an inflammatory reaction caused by microorganisms in the mammary gland which usually leads to the decrease of the dairy production. It vastly makes bad effect on the cattle industry all over the world. Nowadays, an increasing number of scientists keep a watchful eye on natural compounds to prevent mastitis. Sodium houttuyfonate (SH) has been reported to have antibacterial and anti-inflammatory effects. This experiment aimed to investigate the anti-inflammatory properties of SH on LPS-stimulated primary bovine mammary epithelial cells (bMEC)...
March 10, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28286681/granulomatous-lobular-mastitis-associated-with-mycobacterium-abscessus-in-south-china-a-case-report-and-review-of-the-literature
#12
Ye-Sheng Wang, Qi-Wei Li, Lin Zhou, Run-Feng Guan, Xiang-Ming Zhou, Ji-Hong Wu, Nan-Yan Rao, Shuang Zhu
Mycobacteria, which are known as rapidly growing bacteria, are pathogens that are responsible for cutaneous or subcutaneous infections that especially occur after injection, trauma, or surgery. In this report, we describe a species of Mycobacterium abscessus that was isolated from a breast abscess in a patient who was previously diagnosed with granulomatous lobular mastitis (GLM). This current case is the first ever presented case of GLM associated with M. abscessus documented in South China. The case presentation highlights the role of M...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28283873/mastitis-effects-on-reproductive-performance-in-dairy-cattle-a-review
#13
REVIEW
Narender Kumar, A Manimaran, A Kumaresan, S Jeyakumar, L Sreela, P Mooventhan, M Sivaram
The reproductive performance of dairy animals is influenced by several factors, and accumulating lines of evidence indicate that mastitis is one of the determinants. Most of the published information relating mastitis with reproduction has evolved based on retrospective approach rather than controlled clinical studies. The complex nature of both mastitis and reproduction could be a limiting factor for understanding their relationship in detail. In this review, we analyzed the available retrospective studies on the effects of clinical mastitis on reproductive function and explained the possible mechanisms by which mastitis affects reproduction in dairy animals...
March 11, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28281038/effect-of-intramammary-infusion-of-recombinant-bovine-gm-csf-and-il-8-on-cmt-score-somatic-cell-count-and-milk-mononuclear-cell-populations-in-holstein-cows-with-staphylococcus-aureus-subclinical-mastitis
#14
Yoshio Kiku, Tomomi Ozawa, Hideyuki Takahashi, Shiro Kushibiki, Shigeki Inumaru, Hiroyuki Shingu, Yuya Nagasawa, Atsushi Watanabe, Eiji Hata, Tomohito Hayashi
The effect of intramammary infusion of recombinant bovine granulocyte-macrophage colony-stimulating factor (rbGM-CSF) and interleukin-8 (rbIL-8) on mononuclear cell populations in quarters, somatic cell count (SCC) and the California Mastitis Test (CMT) score were investigated. From the selected cows with naturally occurring Staphylococcus aureus subclinical mastitis, one quarter of each cow were selected for the infusions of rbGM-CSF (400 μg/5 mL/quarter, n = 9), rbIL-8 (1 mg/5 mL/quarter, n = 9), and phosphate-buffered saline (5 mL/quarter, n = 7)...
March 9, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/28277182/pharmacokinetic-analysis-of-thymol-carvacrol-and-diallyl-disulfide-after-intramammary-and-topical-applications-in-healthy-organic-dairy-cattle
#15
Sharon E Mason, Keena A E Mullen, Kevin L Anderson, Steven P Washburn, James L Yeatts, Ronald E Baynes
Mastitis is among the most costly concerns for dairy producers whether cattle are managed conventionally or organically. Unfortunately, there are no USFDA-approved mastitis treatments that allow dairy cows in the United States to maintain organic dairy status. We investigated the plasma pharmacokinetics of three organic mastitis products currently used by organic producers and organic dairy veterinarians. Those products include intramammary, topical and intravaginal preparations, each dosed at two levels. Additionally, tissue data were collected for kidney, liver and fat in order to estimate a withholding time for each of the products...
February 14, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28273980/risperidone-induced-granulomatous-mastitis-secondary-to-hyperprolactinemia-in-a-non-pregnant-woman-a-rare-case-report-in-a-bipolar-disorder
#16
Sadhana Holla, M B Amberkar, Avinash Kamath, Meena Kumari Kamalkishore, Balaji Ommurugan
Idiopathic granulomatous lesion is a rare entity of the breast seen in young-middle aged women. Diagnosis and management of granulomatous lesions with known aetiology does not impose major clinical problems. However, most often these lesions are undetected or unnoticed due to lack of timely diagnosis and inappropriate management, as primarily it is idiopathic. Hyperprolactinemia have been proposed as one of the mechanisms underlying the development of granulomatous lesions of the breast. We report a case of hyperprolactinemia due to risperidone therapy for bipolar mood disorder in a woman who eventually developed granulomatous mastitis...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28273122/ultra-structural-changes-occurring-in-duct-ectasia-and-periductal-mastitis-and-their-significance-in-etiopathogenesis
#17
Kirithiga Ramalingam, Seenu Vuthaluru, Anurag Srivastava, Amit Kumar Dinda, Anita Dhar
INTRODUCTION: Duct ectasia (DE) and periductal mastitis (PDM) are the most common benign breast conditions seen in women. The etiopathogenesis of these entities is still not clear and most of the theories regarding the causation are based on the histological features as seen on light microscopy. The ultramicroscopic features associated with these conditions that may give more insight to the etiopathogenesis are unknown. AIM: To study the ultrastructural changes occurring in mammary duct cones in patients with DE and PDM using Transmission Electron Microscopic (TEM)...
2017: PloS One
https://www.readbyqxmd.com/read/28272303/effects-of-silver-nanoparticles-on-multiple-drug-resistant-strains-of-staphylococcus-aureus-and-pseudomonas-aeruginosa-from-mastitis-infected-goats-an-alternative-approach-for-antimicrobial-therapy
#18
Yu-Guo Yuan, Qiu-Ling Peng, Sangiliyandi Gurunathan
Recently, silver nanoparticles (AgNPs) have been widely used in various applications as antimicrobial agents, anticancer, diagnostics, biomarkers, cell labels, and drug delivery systems for the treatment of various diseases. Microorganisms generally acquire resistance to antibiotics through the course of antibacterial therapy. Multi-drug resistance (MDR) has become a growing problem in the treatment of infectious diseases, and the widespread use of broad-spectrum antibiotics has resulted in the development of antibiotic resistance by numerous human and animal bacterial pathogens...
March 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28271562/erythema-nodosum-in-association-with-idiopathic-granulomatous-mastitis-a-case-series-and-review-of-the-literature
#19
R Fruchter, C Castilla, E Ng, M K Pomeranz, A N Femia
Idiopathic granulomatous mastitis (IGM) is a chronic inflammatory disease characterized by tender, erythematous, indurated breast plaques with associated edema, drainage, and scar formation.(1) IGM is often mistaken for breast carcinoma or infectious mastitis.(1,2) Histopathology readily distinguishes IGM from breast carcinoma, as the primary finding in IGM is granulomas centered around mammary lobules.(3) Nevertheless, differentiating IGM from bacterial mastitis and other mimickers, such as atypical mycobacterial infections or sarcoidosis, can be more difficult...
March 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28264012/comparison-of-culture-and-a-multiplex-probe-pcr-for-identifying-mycoplasma-species-in-bovine-milk-semen-and-swab-samples
#20
Alysia M Parker, John K House, Mark S Hazelton, Katrina L Bosward, Paul A Sheehy
Mycoplasma spp. are a major cause of mastitis, arthritis and pneumonia in cattle, and have been associated with reproductive disorders in cows. While culture is the traditional method of identification the use of PCR has become more common. Several investigators have developed PCR protocols to detect M. bovis in milk, yet few studies have evaluated other sample types or other important Mycoplasma species. Therefore the objective of this study was to develop a multiplex PCR assay to detect M. bovis, M. californicum and M...
2017: PloS One
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