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https://www.readbyqxmd.com/read/28927255/innate-immune-response-of-bovine-mammary-epithelial-cells-to-mycoplasma-bovis
#1
Satoshi Gondaira, Hidetoshi Higuchi, Hidetomo Iwano, Koji Nishi, Takanori Nebu, Keiichi Nakajima, Hajime Nagahata
Mycoplasma species are contagious bacteria and Mycoplasma bovis mastitis is a serious productivity problem on dairy farms. Bovine mammary epithelial cells (bMEC) play an important role in the elimination of pathogens, but the effect of M. bovis on bMEC has not been fully clarified. To better understand the immune response against intramammary infection by M. bovis, we used microarray analysis to examine and profile mRNA expression in bMEC after stimulation with M. bovis. We also compared the effects of M. bovis, Staphylococcus aureus and Escherichia coli on immune-related mRNA expression in bMEC...
September 20, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28926595/the-microbiota-of-water-buffalo-milk-during-mastitis
#2
Carlotta Catozzi, Armand Sanchez Bonastre, Olga Francino, Cristina Lecchi, Esterina De Carlo, Domenico Vecchio, Alessandra Martucciello, Pasquale Fraulo, Valerio Bronzo, Anna Cuscó, Sara D'Andreano, Fabrizio Ceciliani
The aim of this study was to define the microbiota of water buffalo milk during sub-clinical and clinical mastitis, as compared to healthy status, by using high-throughput sequencing of the 16S rRNA gene. A total of 137 quarter samples were included in the experimental design: 27 samples derived from healthy, culture negative quarters, with a Somatic Cell Count (SCC) of less than 200,000 cells/ml; 27 samples from quarters with clinical mastitis; 83 samples were collected from quarters with subclinical mastitis, with a SCC number greater of 200,000 cells/ml and/or culture positive for udder pathogens, without clinical signs of mastitis...
2017: PloS One
https://www.readbyqxmd.com/read/28926462/bilateral-lupus-mastitis-during-pregnancy
#3
Joe Thomas, Anuradha Kakkanatt Babu
No abstract text is available yet for this article.
September 19, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28926014/assessing-the-economic-impact-of-an-endemic-disease-the-case-of-mastitis
#4
H Hogeveen, M Van Der Voort
A large part of the world's resources are used to produce animal products. Efficient use of these resources is important to improve social well-being. Endemic animal diseases decrease production efficiency, because they require a higher level of input to produce the same amount of output or result in a lower output with the same amount of input. The optimal level of production with and without disease differs from farm to farm and depends on varying economic circumstances. Given these difficulties, making an accurate theoretical estimation of the economic impact of endemic diseases is challenging...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28923657/corrigendum-to-efficacy-of-a-high-free-iodine-barrier-teat-disinfectant-for-the-prevention-of-naturally-occurring-new-intramammary-infections-and-clinical-mastitis-in-dairy-cows-j-dairy-sci-100-3930-3939
#5
C M M R Martins, E S C Pinheiro, M Gentilini, M Lopez Benavides, M V Santos
No abstract text is available yet for this article.
October 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28919695/%C3%AE-defensins-an-innate-defense-for-bovine-mastitis
#6
REVIEW
Ankita Gurao, Sudhir Kumar Kashyap, Ravinder Singh
Immune challenges are inevitable for livestock that are exposed to a varied range of adverse conditions ranging from environmental to pathogenic stresses. The β-defensins are antimicrobial peptides, belonging to "defensin" family and therefore acts as the first line of defense against the major infections occurring in dairy cattle including intramammary infections. The better resistance to mastitis displayed by Bos indicus is implicit in the fact that they have better adapted and also has more sequence variation with rare allele conserved due to lesser artificial selection pressure than that of Bos taurus...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28919694/incidence-of-bovine-clinical-mastitis-in-jammu-region-and-antibiogram-of-isolated-pathogens
#7
Adil Majid Bhat, Jasvinder Singh Soodan, Rajiv Singh, Ishfaq Ahmad Dhobi, Tufail Hussain, Mohammad Yousuf Dar, Muheet Mir
AIM: This study was conducted to evaluate the incidence of clinical mastitis in bovines of Jammu region, to identify the infectious organisms responsible for it, and the antimicrobial sensitivity of isolated pathogens. MATERIALS AND METHODS: The study was conducted on cases that were presented to the Medicine Division of Teaching Veterinary Clinical Complex, Faculty of Veterinary Sciences and Animal Husbandry, R.S. Pura, Jammu, Jammu and Kashmir. A total of 260 cases of bovines were presented from June 30, 2012, to July 01, 2013, out of which 30 cases were of clinical mastitis...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28919679/effects-of-intramammary-infusion-of-sage-salvia-officinalis-essential-oil-on-milk-somatic-cell-count-milk-composition-parameters-and-selected-hematology-and-serum-biochemical-parameters-in-awassi-sheep-with-subclinical-mastitis
#8
Myassar O Alekish, Zuhair B Ismail, Mofleh S Awawdeh, Shoroq Shatnawi
AIM: The aims of this study were to evaluate the effects of intramammary infusion of sage (Salvia officinalis) essential oil (EO) on milk somatic cell count (SCC), milk composition parameters and selected hematology and serum biochemical parameters in 20 Awassi ewes affected with subclinical mastitis. MATERIALS AND METHODS: The dried leaves of sage were used to extract the EO by hydrodistillation. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of sage EO against Staphylococcus aureus were determined by the broth dilution method...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28918144/short-communication-molecular-epidemiology-of-streptococcus-agalactiae-differs-between-countries
#9
J Reyes, M Chaffer, Juan Carlos Rodriguez-Lecompte, Javier Sánchez, Ruth N Zadoks, Natasha Robinson, Ximena Cardona, N Ramírez, G P Keefe
Group B Streptococcus or Streptococcus agalactiae continue to be challenging for milk quality programs in countries with emerging dairy industries, such as Colombia, where high prevalence has been reported. Molecular typing of isolates is needed to understand the variability and epidemiology of this pathogen and to develop effective control and eradication programs. We characterized the molecular profile of Strep. agalactiae isolated from cows with subclinical mastitis in 21 Colombian dairy herds and measured diversity within and between herds using multilocus sequence typing...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28918136/short-communication-cow-and-quarter-level-milking-indicators-and-their-associations-with-clinical-mastitis-in-an-automatic-milking-system
#10
J F Penry, P M Crump, P L Ruegg, D J Reinemann
The aim of this study was to assess associations of cow-, udder-, and quarter-level factors with the risk of clinical mastitis (CM) in cows managed using an automatic milking system. The primary hypothesis was that quarter peak milk flow rate (QPMF) is associated with increased risk of CM. A retrospective, case-control study was undertaken using data from a 1,549 cow farm using 20 automatic milking system units. All data from cows milked during March to December 2015 was available for analysis. Cases (n = 82) were defined as cows diagnosed with their first case of CM between 24 and 300 d in milk in the current lactation...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28915910/colonization-of-the-bovine-uterus-by-candida-kefyr
#11
Cecilia Christensen Karstrup, Bent Aalbæk, Kirstine Klitgaard, Tim Kåre Jensen, Hanne Gervi Pedersen, Jørgen Steen Agerholm
BACKGROUND: While fungal infections of the bovine uterus are well-known diseases in pregnant cattle, very limited knowledge exists on the presence and significance of fungi in the uterus of non-pregnant cows. Presence of fungi in the uterine lumen of postpartum (pp) cows has been reported, but little attention has been paid to this as most studies of the bovine pp uterus have focused on bacteria. CASE PRESENTATION: Microscopy of uterine lavage cytology slides of three cows from one herd revealed the presence of numerous yeast-like organisms, which were located either free in the fluid or within macrophages...
September 16, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28911843/the-effect-of-a-cannula-milk-sampling-technique-on-the-microbiological-diagnosis-of-bovine-mastitis
#12
M Friman, H Hiitiö, M Niemi, J Holopainen, S Pyörälä, H Simojoki
Two methods of collecting milk samples from mastitic bovine mammary quarters were compared. Samples were taken in a consistent order in which standard aseptic technique sampling was done first, followed by insertion of a sterile cannula through the teat canal and collection of a second sample. Microbiological results of those two sampling techniques were compared. Milk samples were analysed using multiplex real-time polymerase chain reaction (PCR). The cannula technique produced a reduced number of microbial species or groups of species per sample compared with conventional sampling...
August 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28903881/factors-affecting-the-cost-effectiveness-of-on-farm-culture-prior-to-the-treatment-of-clinical-mastitis-in-dairy-cows
#13
P M Down, A J Bradley, J E Breen, M J Green
The objective of this study was to use probabilistic sensitivity analysis to evaluate the cost-effectiveness of using an on-farm culture (OFC) approach to the treatment of clinical mastitis in dairy cows and compare this to a 'standard' treatment approach. A specific aim was to identify the herd circumstances under which an OFC approach would be most likely to be cost-effective. A stochastic Monte Carlo model was developed to simulate 5000 cases of clinical mastitis at the cow level and to calculate the associated costs simultaneously when treated according to 2 different treatment protocols; i) a 'conventional' approach (3 tubes of intramammary antibiotic) and ii) an OFC programme, whereby cows are treated according to the results of OFC...
September 15, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28903872/prevalence-of-subclinical-mastitis-and-associated-risk-factors-at-cow-and-herd-level-in-dairy-farms-in-north-west-ethiopia
#14
S A Mekonnen, G Koop, S T Melkie, C D Getahun, H Hogeveen, T J G M Lam
Knowledge of mastitis pathogens and their predominance as well as understanding of risk factors are prerequisites to improve udder health in a herd, region or country. In Ethiopia, such information is scarce, despite the fact that mastitis is an important cattle disease in the country. A cross-sectional study that describes prevalence and causative agents of subclinical mastitis (SCM) as well as risk factors at cow and herd level was conducted on 167 dairy farms in North-West Ethiopia. On average, 33% of the quarters and 62% of the cows were California Mastitis Test (CMT) positive, but the within herd quarter level prevalence ranged between 0 and 100%...
September 15, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28900682/treatment-of-staphylococcus-aureus-infections
#15
Michael Z David, Robert S Daum
Staphylococcus aureus, although generally identified as a commensal, is also a common cause of human bacterial infections, including of the skin and other soft tissues, bones, bloodstream, and respiratory tract. The history of S. aureus treatment is marked by the development of resistance to each new class of antistaphylococcal antimicrobial drugs, including the penicillins, sulfonamides, tetracyclines, glycopeptides, and others, complicating therapy. S. aureus isolates identified in the 1960s were sometimes resistant to methicillin, a ß-lactam antimicrobial active initially against a majority S...
September 13, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28895861/integrated-effect-of-seasons-and-lactation-stages-on-the-plasma-inflammatory-cytokines-function-and-receptor-expression-of-milk-neutrophils-in-sahiwal-bos-indicus-cows
#16
Mohanned Naif Alhussien, Ajay Kumar Dang
Mastitis is a highly prevalent and one of the costliest diseases of dairy cows affecting the mammary gland. Milk neutrophils present in the mammary gland serve as an integral part of the mammary immunity, and their performance is influenced by different environmental conditions and lactation stages. To investigate the combined effects of seasons and lactation stages on the mammary immunity, milk and blood samples were collected from three groups of high producing indigenous Sahiwal cows. Function and receptor expression of milk neutrophils together with cortisol and inflammatory interleukins concentration in blood were studied...
September 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28891152/exfoliation-rate-of-mammary-epithelial-cells-in-milk-on-bovine-mastitis-caused-by-staphylococcus-aureus-is-associated-with-bacterial-load
#17
Yuya Nagasawa, Yoshio Kiku, Kazue Sugawara, Fuyuko Tanabe, Tomohito Hayashi
The exfoliation rate of mammary epithelial cells (MECs) in milk is affected by physiological, breeding and environmental factors. Little is known about the relationship between the MEC exfoliation into milk and mammary-infected Staphylococcus aureus (S. aureus) load on bovine mastitis caused by S. aureus. The aim of this study was to investigate the relationship between S. aureus load and the proportion of MEC exfoliation in milk using five substantial bovine mastitis models. In 64 randomly extracted milk samples from udders at 3-21 days after S...
September 11, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28890791/potential-of-phytoceuticals-to-affect-antibiotic-residue-detection-tests-in-cow-milk-in-a-randomised-trial
#18
Keena Ae Mullen, Erin Beasley, Julio Q Rizzo, Steven P Washburn, Ronald E Baynes, Sharon E Mason, Kevin L Anderson
Mastitis is a costly disease for dairy farmers. Some dairy farmers use herbal products, or phytoceuticals, to treat mastitis. Phytoceuticals have not been approved for this use by the United States Food and Drug Administration, and have not been tested to determine how they impact antibiotic residue detection testing. The current study tested the potential for phytoceuticals to cause positive results on two milk antibiotic residue screening tests, the Delvotest P and Charm SL Beta-lactam test, or to interfere with the detection of antibiotics by these tests...
2017: Veterinary Record Open
https://www.readbyqxmd.com/read/28888599/management-operational-animal-health-and-economic-characteristics-of-large-dairy-herds-in-4-states-in-the-upper-midwest-of-the-united-states
#19
T L Evink, M I Endres
Recent trends in dairy farm structure in the United States have included a decreasing number of farms, although farm size has increased, especially the share of milk production from very large herds (>2,500 cows). The objectives of this observational study were to describe common management practices; to characterize labor and operational structure; to measure some aspects of animal health, including lameness, hock lesions, mortality, and mastitis incidence; and to summarize cost of production on farms with more than 2,500 cows in 4 states in the Upper Midwest of the United States...
September 6, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28883119/on-the-spot-mastitis-cell-counts-from-hand-held-gadget
#20
(no author information available yet)
No abstract text is available yet for this article.
September 9, 2017: Veterinary Record
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