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https://read.qxmd.com/read/30899194/antimicrobial-susceptibility-patterns-of-an-emerging-multidrug-resistant-nosocomial-pathogen-acinetobacter-baumannii
#1
Rachna Tewari, Deepti Chopra, Rushna Wazahat, Shreya Dhingra, Mridu Dudeja
Multidrug-resistant (MDR) Acinetobacter baumannii ( A. baumannii ) bacterium, a nosocomial pathogen associated with a high mortality rate and limited therapeutic options have emerged as a serious problem throughout the world. The present study aimed to assess the current levels of antibiotic susceptibility among the isolates of Acinetobacter species. The sensitivity patterns were analysed from various clinical specimens obtained from both in-patients and outpatients of a teaching hospital. Isolation was performed on 5% sheep blood agar and MacConkey agar...
May 2018: Malaysian Journal of Medical Sciences: MJMS
https://read.qxmd.com/read/30852594/transfer-of-total-phenols-from-a-grapeseed-supplemented-diet-to-dairy-sheep-and-goat-milk-and-effects-on-performance-and-milk-quality1
#2
Paul Taipa Leparmarai, Susanne Sinz, Carmen Kunz, Annette Liesegang, Sylvia Ortmann, Michael Kreuzer, Svenja Marquardt
Polyphenols are known to affect digestion of ruminants, whereas there is little information about their metabolic effects. In a 2 × 2-factorial experiment, the effects of supplementing a phenolic grapeseed extract were compared in 11 East Friesian dairy sheep and 9 Saanen goats. The concentrate, supplemented with 7.4 g/100 g DM grapeseed extract, had contents of 3.5 g additional phenols/100 g DM and was compared with a low phenolic control concentrate. Performance, total phenols in blood, milk, urine and feces, antioxidant capacity of the blood, and saliva properties were examined...
February 6, 2019: Journal of Animal Science
https://read.qxmd.com/read/30783678/transfer-of-total-phenols-from-a-grapeseed-supplemented-diet-to-dairy-sheep-and-goat-milk-and-effects-on-performance-and-milk-quality
#3
P T Leparmarai, S Sinz, C Kunz, A Liesegang, S Ortmann, M Kreuzer, S Marquardt
Polyphenols are known to affect digestion of ruminants, whereas there is little information about their metabolic effects. In a 2 × 2-factorial experiment the effects of supplementing a phenolic grapeseed extract were compared in 11 East Friesian dairy sheep and 9 Saanen goats. The concentrate supplemented with 7.4 g/100 g DM grapeseed extract had contents of 3.5 g additional phenols/100 g DM and was compared with a low phenolic control concentrate. Performance, total phenols in blood, milk, urine and feces, antioxidant capacity of the blood, and saliva properties were examined...
February 6, 2019: Journal of Animal Science
https://read.qxmd.com/read/30681125/a-review-on-the-seroprevalence-of-coxiella-burnetii-in-farm-ruminants-in-various-countries
#4
Andreana Pexara, Nikolaos Solomakos, Alexander Govaris
Q fever is a zoonosis caused by Coxiella burnetii, an obligate intracellular gram‑negative bacterium. Infection by C. burnetii has been demonstrated in many animal species, but ruminants are the major reservoirs and the main sources of human infection. In ruminants, C. burnetii infection is often asymptomatic, but it has been also associated with infertility and abortions. In humans, Q fever was considered predominately an occupational hazard due to close contact with infected ruminants by means of their contaminated birth products, urine, feces or milk...
December 31, 2018: Veterinaria Italiana
https://read.qxmd.com/read/30587071/an-in-vivo-evaluation-of-the-ontogeny-of-stereoselective-fluoxetine-metabolism-and-disposition-in-lambs-from-birth-to-one-year-of-age
#5
Timothy W Chow, Tuan-Anh Nguyen, K Wayne Riggs, Dan W Rurak
1. The objective was to determine the ontogeny of stereoselective fluoxetine (FX) disposition in postnatal sheep from newborn to adulthood. 2. Catheters were implanted in a carotid artery and jugular vein. FX was administered intravenously, followed by serial arterial blood and cumulative urine collection. The concentrations of R,S-FX and R,S-norfluoxetine (R,S-NFX) in samples were measured using a validated enantioselective LC/MS/MS analytical method. 3. The metabolism of FX at 4.2 ± 0.4 days was limited compared to adults, but had developed compared to the fetus...
December 27, 2018: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://read.qxmd.com/read/30583211/toxicokinetics-of-bisphenol-a-bisphenol-s-and-bisphenol-f-in-a-pregnancy-sheep-model
#6
Jeremy Gingrich, Yong Pu, Richard Ehrhardt, Rajendiran Karthikraj, Kurunthachalam Kannan, Almudena Veiga-Lopez
Bisphenol A (BPA), S (BPS), and F (BPF) are among the most abundant bisphenols detected in humans, yet pregnancy toxicokinetics for BPS or BPF remain unknown. Because gestational BPS can disrupt placental function and result in reproductive and metabolic disorders in the progeny, the aim of the study was to investigate BPS and BPF toxicokinetics during pregnancy using an in vivo approach. Fetal catheterizations were conducted in pregnant sheep (n = 6) at mid-pregnancy and injected with either a single dose of BPS (n = 3, 0...
December 15, 2018: Chemosphere
https://read.qxmd.com/read/30345947/a-review-of-foot-and-mouth-disease-virus-fmdv-testing-in-livestock-with-an-emphasis-on-the-use-of-alternative-diagnostic-specimens
#7
Korakrit Poonsuk, Luis Giménez-Lirola, Jeffrey J Zimmerman
Foot-and-mouth disease virus (FMDV) remains an important pathogen of livestock more than 120 years after it was identified, with annual costs from production losses and vaccination estimated at €5.3-€17 billion (US$6.5-US$21 billion) in FMDV-endemic areas. Control and eradication are difficult because FMDV is highly contagious, genetically and antigenically diverse, infectious for a wide variety of species, able to establish subclinical carriers in ruminants, and widely geographically distributed. For early detection, sustained control, or eradication, sensitive and specific FMDV surveillance procedures compatible with high through-put testing platforms are required...
October 22, 2018: Animal Health Research Reviews
https://read.qxmd.com/read/30345946/cereals-level-and-source-effects-on-rumen-fermentation-colostrum-and-milk-properties-and-blood-metabolites-in-periparturient-ewes
#8
M Karam Babaei, H Mirzaei-Alamouti, A Nikkhah
Optimal type and dietary inclusion rates of cereal grains for periparturient sheep are unknown. The objective was to determine effects of feeding diets with high (H) v. low (L) levels of ground corn grain (CN) v. combined ground wheat and barley grains (WB) on intake, rumen fermentation, colostrum and milk properties, and blood metabolites of periparturient sheep. Twenty Afshari×Merino ewes were used in a completely randomized design study from 24 days prepartum through 21 days postpartum. Ewes were kept indoors in individual boxes and received once daily at 0900 h total mixed rations...
October 22, 2018: Animal: An International Journal of Animal Bioscience
https://read.qxmd.com/read/30335517/evaluation-and-validation-of-an-analytical-approach-for-high-throughput-metabolomic-fingerprinting-using-direct-introduction-high-resolution-mass-spectrometry-applicability-to-classification-of-urine-of-scrapie-infected-ewes
#9
Estelle Rathahao-Paris, Sandra Alves, Nawel Boussaid, Nicole Picard-Hagen, Véronique Gayrard, Pierre-Louis Toutain, Jean-Claude Tabet, Douglas N Rutledge, Alain Paris
Direct injection-mass spectrometry can be used to perform high-throughput metabolomic fingerprinting. This work aims to evaluate a global analytical workflow in terms of sample preparation (urine sample dilution), high-resolution detection (quality of generated data based on criteria such as mass measurement accuracy and detection sensitivity) and data analysis using dedicated bioinformatics tools. Investigation was performed on a large number of biological samples collected from sheep infected or not with scrapie...
October 18, 2018: European Journal of Mass Spectrometry
https://read.qxmd.com/read/30332304/alterations-in-regional-kidney-oxygenation-during-expansion-of-extracellular-fluid-volume-in-conscious-healthy-sheep
#10
Yugeesh R Lankadeva, Roger G Evans, Junko Kosaka, Lindsea C Booth, Naoya Iguchi, Rinaldo Bellomo, Clive N May
Expansion of extracellular fluid volume with crystalloid solutions is a common medical intervention, but its effects on renal cortical and medullary oxygenation are poorly understood. Therefore, we instrumented sheep under general anesthesia to enable continuous measurement of systemic and renal hemodynamics, global renal oxygen delivery and consumption, and intra-renal tissue perfusion and oxygen tension (pO2 ) in conscious animals (n=7). The effects of three sequential intermittent infusions of 500 mL of compound sodium lactate solution, administered at hourly intervals, were determined...
October 17, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://read.qxmd.com/read/30320596/selective-neuronal-uptake-and-distribution-of-aavrh8-aav9-and-aavrh10-in-sheep-after-intra-striatal-administration
#11
Erica Mondo, Richard Moser, Guangping Gao, Christian Mueller, Miguel Sena-Esteves, Ellen Sapp, Edith Pfister, Denice O'Connell, Kendra Takle, Kirsten E Erger, Wanglin Liu, Thomas J Conlon, Marian DiFiglia, Matthew J Gounis, Neil Aronin
BACKGROUND: Transgenic sheep are currently the only large animal model of Huntington's disease expressing full-length mutant human huntingtin. These transgenic sheep provide an opportunity to test adeno associated virus (AAV) therapies directly targeting the huntingtin gene. A recent study demonstrated that self-complementary (sc) AAV with artificial miRNA against human huntingtin reduced mutant human huntingtin in caudate and putamen after a single injection near the internal capsule...
2018: Journal of Huntington's Disease
https://read.qxmd.com/read/30307649/variables-of-initial-examination-and-clinical-management-associated-with-survival-in-small-ruminants-with-obstructive-urolithiasis
#12
Anna-Katharina Riedi, Christina Nathues, Gabriela Knubben-Schweizer, Karl Nuss, Mireille Meylan
BACKGROUND: Obstructive urolithiasis is a common disease associated with a guarded prognosis in small ruminants. HYPOTHESIS/OBJECTIVE: The results of physical examination, laboratory analyses, and clinical management of male small ruminants presented to 2 referral clinics were investigated to identify variables significantly associated with disease outcome, so as to provide better recommendations to animal owners regarding the management of these patients. ANIMALS: Two-hundred ten small ruminants (130 sheep and 80 goats) with confirmed diagnosis of obstructive urolithiasis...
November 2018: Journal of Veterinary Internal Medicine
https://read.qxmd.com/read/30299509/influence-of-dietary-zinc-concentration-and-supplemental-zinc-source-on-nutrient-digestibility-zinc-absorption-and-retention-in-sheep
#13
K R VanValin, O N Genther-Schroeder, R N Carmichael, C P Blank, E L Deters, S J Hartman, E K Niedermayer, S B Laudert, Stephanie L Hansen
The objective of this study was to assess whether supplemental Zn source or concentration would affect ruminant Zn retention and nutrient digestibility. Thirty-six weaned crossbred Polypay wethers, were sorted by BW to 3 periods and stagger started on a common diet (22 mg Zn/kg DM) for a 52-d depletion period. Day 52 BW was used to assign Zn treatments (3 lambs/treatment/period): no supplemental Zn (CON), or supplemental Zn (40 mg Zn/d) from Zn sulfate (ING; Zinc Nacional, Monterrey, SA, Mexico), Zn methionine (ORG; Zinpro 120; Zinpro, Eden Prairie, MN), or Zn hydroxychloride (HYD; IntelliBond Z; Micronutrients USA LLC, Indianapolis, IN)...
October 9, 2018: Journal of Animal Science
https://read.qxmd.com/read/30295475/atmospheric-solid-analysis-probe-and-modified-desorption-electrospray-ionization-mass-spectrometry-for-rapid-screening-and-semi-quantification-of-zilpaterol-in-urine-and-tissues-of-sheep
#14
Shubhashis Chakrabarty, Weilin L Shelver, Heldur Hakk, David J Smith
Ambient ionization mass spectrometric methods including desorption electrospray ionization (DESI) and atmospheric solid analysis probe (ASAP) have great potential for applications requiring real-time screening of target molecules in complex matrixes. Such techniques can also rapidly produce repeatable semiquantitative data, with minimal sample preparation, relative to liquid chromatography-mass spectrometry (LC-MS). In this study, a commercial ASAP probe was used to conduct both ASAP-MS and modified DESI (MDESI) MS analyses...
October 17, 2018: Journal of Agricultural and Food Chemistry
https://read.qxmd.com/read/30191710/detection-of-enzymes-viruses-and-bacteria-using-glucose-meters
#15
Amrita Das, Xikai Cui, Vasanta Chivukula, Suri S Iyer
We have developed innovative assays that can detect enzymes rapidly. Paracetamol- or catechol-bearing compounds, when exposed to their respective enzymes, released paracetamol or catechol, which can be detected using a standard glucose meter. This approach was used to detect a number of diverse analytes that include enzymes such as β-galactosidase and α-mannosidase and pathogens such as influenza viruses, Streptococcus pneumoniae, and E. coli rapidly. The limit of detection for all analytes was extremely low and clinically relevant for influenza viruses...
October 2, 2018: Analytical Chemistry
https://read.qxmd.com/read/30166782/efficacy-of-essential-oils-from-plants-cultivated-in-the-amazonian-biome-against-gastrointestinal-nematodes-in-sheep
#16
Ana Carolina S Chagas, Amanda Figueiredo, Flávio A S Politi, Isabela J Moro, Sérgio N Esteves, Humberto R Bizzo, Paola E Gama, Francisco C M Chaves
The excessive use of anthelmintics to control nematodes has resulted in anthelminthic resistance. Essential oils (EOs) are a rich source of bioactive molecules that can be assessed for their ability to control resistant parasite populations. The aims of this study were to screen EOs from 10 plant species in vitro for anthelmintic activity against Haemonchus contortus , evaluate the cytotoxicity of those EOs in a human immortalized keratinocyte cell line (HaCaT), and test the most promising EO candidate in vivo in Santa Inês sheep...
September 2018: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://read.qxmd.com/read/30142653/-detection-and-assessment-of-acute-and-chronic-pain-in-meat-merino-ewes-using-ethological-parameters
#17
Helena Fieseler, Romy Weck, Matthias Kaiser, Hendrik Müller, Joachim Spilke, Norbert Mielenz, Gerd Möbius, Alexander Starke
OBJECTIVE: The assessment of pain in sheep is a clinical challenge, because being a prey species, they tend to mask it. Since pain in animals cannot be measured directly, various methods are applicable to detect its effects on physiological, biochemical and ethological processes. Clinicians experienced in behavioural assessment are able to reliably determine the level of pain endured by an animal. The objective of this study was to identify behaviours that reflect acute and chronic pain as well as stress in sheep...
August 2018: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://read.qxmd.com/read/30122268/an-update-reproductive-handmade-cloning-of-water-buffalo-bubalus-bubalis
#18
REVIEW
Monika Saini, Naresh L Selokar, Prabhat Palta, Manmohan S Chauhan, Radhey S Manik, Suresh K Singla
The first birth of a cloned animal produced through the Handmade cloning (HMC) technique was reported more than 15 years ago in cattle. This method of somatic cell nuclear transfer (SCNT) has subsequently been evolving as a much simpler alternative to the classical micromanipulator-based SCNT. Several farm animal species such as cattle, buffalo, pigs, sheep, and goats have been successfully cloned using HMC. In buffalo, HMC technique is now well established, and several births of cloned calves have been reported by us...
August 9, 2018: Animal Reproduction Science
https://read.qxmd.com/read/30025546/dietary-supplementation-of-essential-oils-in-dairy-cows-evidence-for-stimulatory-effects-on-nutrient-absorption
#19
H-S Braun, K T Schrapers, K Mahlkow-Nerge, F Stumpff, J Rosendahl
Results of recent in vitro experiments suggest that essential oils (EO) may not only influence ruminal fermentation but also modulate the absorption of cations like Na+, Ca2+ and NH4 + across ruminal epithelia of cattle and sheep through direct interaction with epithelial transport proteins, such as those of the transient receptor potential family. The aim of the current study was to examine this hypothesis by testing the effect of a blend of essential oils (BEO) on cation status and feed efficiency in lactating dairy cows...
July 20, 2018: Animal: An International Journal of Animal Bioscience
https://read.qxmd.com/read/29921225/effects-of-acute-ethanol-intoxication-in-an-ovine-peritonitis-model
#20
Koji Hosokawa, Fuhong Su, Fabio Silvio Taccone, Emiel Hendrik Post, Jacques Creteur, Jean-Louis Vincent
BACKGROUND: Acute ethanol intoxication has been shown to have contrasting effects on outcomes in sepsis. The aim of this study was to explore the effects of acute ethanol intoxication on hemodynamics, renal function, brain perfusion and lactate/pyruvate in an ovine sepsis model. METHODS: Anesthetized, mechanically ventilated female sheep were randomized to an ethanol group (n = 7), which received 1 g/kg ethanol diluted in intravenous (i.v.) saline infusion or a control group (n = 7), which received the same volume of i...
June 19, 2018: BMC Anesthesiology
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