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https://www.readbyqxmd.com/read/29776614/characterisation-of-peripheral-blood-mononuclear-cell-populations-in-periparturient-dairy-cows-that-develop-metritis
#1
John J Bromfield, Meghan M Watt, Sossi M Iacovides
Bacterial contamination of the uterus following calving is ubiquitous in the dairy cow, 40% of cows develop postpartum uterine infection, including metritis. While predisposing factors like twinning and dystocia are associated with metritis, it is unclear why some cows remain healthy following calving and others develop uterine infection, negatively impacting animal health, milk production and economic return. Here, we profiled peripheral blood mononuclear cells of cows before calving and during postpartum metritis...
June 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29776460/validation-of-the-betastar-%C3%A2-advanced-for-beta-lactams-test-kit-for-the-screening-of-bulk-tank-and-tanker-truck-milks-for-the-presence-of-beta-lactam-drug-residues
#2
Andrew Denhartigh, Lindsay Reynolds, Katherine Palmer, Frank Klein, Jennifer Rice, John J Rejman
A validation study was conducted for an immunochromatographic method (BetaStar® Advanced for Beta-lactams) for the detection of beta-lactam residues in raw, commingled bovine milk. The assay detected amoxicillin, ampicillin, cloxacillin, penicillin, cephapirin, and ceftiofur below the U.S. Food and Drug Administration tolerance levels but above the maximum sensitivity thresholds established by the National Conference on Interstate Milk Shipments. The results of internal and independent laboratory dose-response studies employing spiked samples were in agreement...
May 18, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/29775914/current-radiological-situation-in-areas-of-ukraine-contaminated-by-the-chernobyl-accident-part-1-human-dietary-exposure-to-caesium-137-and-possible-mitigation-measures
#3
I Labunska, V Kashparov, S Levchuk, D Santillo, P Johnston, S Polishchuk, N Lazarev, Y Khomutinin
This study reports for the first time temporal trends for the period of 2011-2016 in 137 Cs content in cow's milk originating from private farms and households of 14 settlements located in the territories of the Rivne region, Ukraine. These areas are still radioactively contaminated as a result of the accident at the Chernobyl Nuclear Power Plant (ChNPP) in 1986. In 2016, the average 137 Cs activity concentration in milk exceeded the Ukrainian Permissible Level (PL) for adults of 100 Bq/l in samples from 6 settlements and the PL for children of 40 Bq/l in 8 settlements, reaching activity concentration of around 500 Bq/l in some samples...
May 15, 2018: Environment International
https://www.readbyqxmd.com/read/29774337/fermentation-alters-the-bioaccessible-phenolic-compounds-and-increases-the-alpha-glucosidase-inhibitory-effects-of-aronia-juice-in-a-dairy-matrix-following-in-vitro-digestion
#4
Xue Du, Angela D Myracle
The prevalence of diabetes reached 415 million worldwide in 2015. Polyphenol-rich food intake can benefit the glycemic control for individuals with diabetes. Fermentation may increase the bioavailability of polyphenols, which is generally low. Aronia (Aronia melanocarpa) is a polyphenol-rich berry that is native to North America. Proanthocyanins and anthocyanins are the major phenolic compounds in aronia. In this study, aronia kefir was made by fermenting cow's milk with added aronia juice. The changes in bioaccessible polyphenols of aronia kefir during digestion were assessed using an in vitro model...
May 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29773698/protocol-for-the-validation-of-sensitivity-and-specificity-of-the-cow-s-milk-related-symptom-score-comiss-against-open-food-challenge-in-a-single-blinded-prospective-multicentre-trial-in-infants
#5
Yvan Vandenplas, Rajat Mukherjee, Christophe Dupont, Philippe Eigenmann, Arne Høst, Mikael Kuitunen, Carmen Ribes-Koninkx, Neil Shah, Hania Szajewska, Andrea von Berg, Ralf G Heine, Zheng-Yan Zhao
INTRODUCTION: The symptoms of cow's milk protein allergy (CMPA) in infancy can be non-specific which may delay a correct diagnosis and cause adverse clinical outcomes. The diagnosis of non-IgE-mediated CMPA is particularly complex as it involves a 2 to 4 week elimination diet followed by oral food challenge (OFC). The Cow's Milk-related Symptom Score (CoMiSS) is a clinical resource for primary healthcare providers which aims to increase awareness of CMPA symptoms to facilitate an earlier diagnosis...
May 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29772023/prepartum-supplementation-of-conjugated-linoleic-acids-cla-increased-milk-energy-output-and-decreased-serum-fatty-acids-and-%C3%AE-hydroxybutyrate-in-early-lactation-dairy-cows
#6
Rafael Caputo Oliveira, Ryan S Pralle, Lucas C de Resende, Carlos Henrique P C Nova, Valentina Caprarulo, Joshua A Jendza, Arnulf Troescher, Heather M White
Prepartum supplementation with conjugated linoleic acid (CLA) may influence lipolysis and hyperketonemia in dairy cows. The objective of this study was to examine the effect of prepartum CLA supplementation on lactation performance and serum fatty acids (FA) and β-hydroxybutyrate (BHB) in early lactation dairy cows, and secondarily on reproductive performance. Multiparous cows were enrolled in the study at 18 days prior to expected calving date, and randomly assigned 100 g/day of Lutrell Pure (BASF, Ludwigshafen, Germany; 75% FA), providing 10 g/day of each CLA isomer (trans-10 cis-12 and cis-9 trans-11 CLA) or equivalent amount of rumen inert fatty acids as control (78 g/day of Energy Booster 100; Milk Specialties Global, Eden Prairie, MN)...
2018: PloS One
https://www.readbyqxmd.com/read/29769555/cattle-with-a-precise-zygote-mediated-deletion-safely-eliminate-the-major-milk-allergen-beta-lactoglobulin
#7
Jingwei Wei, Stefan Wagner, Paul Maclean, Brigid Brophy, Sally Cole, Grant Smolenski, Dan F Carlson, Scott C Fahrenkrug, David N Wells, Götz Laible
We applied precise  zygote-mediated genome editing to eliminate beta-lactoglobulin (BLG), a major allergen in cows' milk. To efficiently generate LGB knockout cows, biopsied embryos were screened to transfer only appropriately modified embryos. Transfer of 13 pre-selected embryos into surrogate cows resulted in the birth of three calves, one dying shortly after birth. Deep sequencing results confirmed conversion of the genotype from wild type to the edited nine bp deletion by more than 97% in the two male calves...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29767163/response-of-primiparous-and-multiparous-buffaloes-to-yeast-culture-supplementation-during-early-and-mid-lactation
#8
Hanne H Hansen, Nasr E El-Bordeny, Hossam M Ebeid
Strains of live Saccharomyces cerevisiae yeast have exhibited probiotic effects in ruminants. This study investigated the effects of the dietary yeast supplement, S . cerevisiae (Yea-Sacc1026 ), on primiparous (PP) and multiparous (MP) Egyptian buffaloes in early to mid-lactation. Lactating buffaloes were fed either a basal total mixed ration (TMR, control; 4 PP and 8 MP) or the basal TMR plus 10 g Yea-Sacc1026 per buffalo cow per day (yeast; 4 PP and 8 MP). The feeds were given from 15 days prepartum to 180 days postpartum...
December 2017: Animal nutrition
https://www.readbyqxmd.com/read/29767155/responses-of-milk-production-of-dairy-cows-to-jugular-infusions-of-a-mixture-of-essential-amino-acids-with-or-without-exclusion-leucine-or-arginine
#9
Wen Tian, Tianyou Wu, Rui Zhao, Jinhao Xu, Yao He, Hongrong Wang
The purpose of this study was to determine effects of jugular infusion of either balanced or imbalanced amino acid mixture on milk production and composition in dairy cows. Eight mid-lactation Holstein cows were randomly assigned to 5-d continuous jugular infusions of saline (CTL), essential amino acid (EAA) mixture prepared on the profile of casein (CSN, 160 g/d), EAA mixture excluding leucine (Leu) (-Leu, 163 g/d) or EAA mixture excluding arginine (Arg) (-Arg, 158 g/d) in a duplicated 4 × 4 Latin square design with 4 infusion periods separated by a 7-d interval period...
September 2017: Animal nutrition
https://www.readbyqxmd.com/read/29766599/randomized-clinical-trial-to-evaluate-the-effectiveness-of-enrofloxacin-as-a-second-line-antibiotic-for-treatment-of-acute-escherichia-coli-mastitis
#10
Yasunori Shinozuka, Kazuhiro Kawai, Akira Takeda, Michiaki Yamada, Fumi Kayasaki, Nao Kondo, Yoshiko Sasaki, Nahoko Kanai, Takuma Mukai, Naoki Sawaguchi, Masaya Higuchi, Haruka Kondo, Kouki Sugimoto, Akane Yasuda, Aiko Watanabe
The objective of the present study was to evaluate the effectiveness of enrofloxacin (ERFX) as a second-line antibiotic for treatment of acute Escherichia coli (E. coli) mastitis. Forty-two cows with naturally occurring acute E. coli mastitis were enrolled. On the first day of treatment (day 0), empirically selected antibiotics (oxytetracycline: n = 32, kanamycin: n = 10) were administered. Although systemic signs improved in 10 cows (first-line group), the signs remained unchanged or worsened in 32 cows on day 1, including two cows that were found dead...
May 16, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29765867/tongue-reshaping-a-new-surgical-method-to-prevent-self-sucking-in-dairy-cows
#11
Mohamed Wefky El-Sherif
Self-sucking behaviors lead to substantial milk loss and inflammation of the udder and teats among dairy cows. Both conservative and surgical approaches are available to prevent such behavior; however, the current methods are limited by variable efficacy and risk of complications. The objective of the present study was to evaluate a new minimally invasive technique for reshaping of the tongue to prevent self-sucking. The current technique was performed on five mixed breed dairy cows aged 4-6 years and with a mean weight 320 kgs...
2018: Open Veterinary Journal
https://www.readbyqxmd.com/read/29763383/eb-2017-article-soy-protein-isolate-feeding-does-not-result-in-reproductive-toxicity-in-the-pre-pubertal-rat-testis
#12
Martin Jj Ronis, Horacio Gomez-Acevedo, Kartik Shankar, Neha Sharma, Michael Blackburn, Rohit Singhal, Kelly E Mercer, Thomas M Badger
The isoflavone phytoestrogens found in the soy protein isolate used in soy infant formulas have been shown to have estrogenic actions in the developing male reproductive tract resulting in reproductive toxicity. However, few studies have examined potential estrogenicity of soy protein isolate as opposed to that of pure isoflavones. In this study, we fed weanling male Sprague-Dawley rats a semi-purified diet with casein or soy protein isolate as the sole protein source from postnatal day 21 to 33. Additional groups were fed casein or soy protein isolate and treated s...
May 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29762373/use-of-starch-and-modified-starches-in-infant-feeding-a-historical-perspective
#13
Frank R Greer
There is a long history of the use of starch in infant feeding. Proprietary infant foods (1867-1920) contained added starch from either cereal grains or malted carbohydrates. When evaporated milk became available in the 1920s, the use of proprietary foods fell out of favor. Evaporated milk formulas were a mixture of milk, water, and modified starch or milk sugar (lactose). By the late 1920s, however, corn syrup became the most common modified starch added to evaporated milk formulas as it was widely available, inexpensive, and readily accepted...
June 2018: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29760322/effect-of-dietary-difructose-anhydride-iii-supplementation-on-bone-mineral-density-and-calcium-metabolism-in-late-lactation-dairy-cows
#14
Ayami Maetani, Masayuki Ohtani, Kaoru Hatate, Kotaro Matsumoto, Norio Yamagishi
The aim of the present study was to examine the effect of 28 days of dietary difructose anhydride (DFA) III supplementation on calcium (Ca) metabolism in late-lactation dairy cows. Twenty-four multiparous pregnant Holstein cows were divided into two groups. The DFA group was fed total mixed ration (TMR) supplemented with 40 g of DFA III, and the control group was fed TMR only. The replenishment of bone Ca reserves was evaluated by measuring bone mineral density (BMD) and blood biochemical bone markers. Serum Ca concentrations, urinary Ca-to-creatinine (Cre) (Ca/Cre) ratios, and milk Ca concentrations were also analyzed...
May 14, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29758985/ultrasonic-pretreatment-combined-with-dry-state-glycation-reduced-the-ige-igg-binding-ability-of-%C3%AE-lactalbumin-revealed-by-high-resolution-mass-spectrometry
#15
Jun Liu, Zong-Cai Tu, Guang-Xian Liu, Chen-di Niu, Hong-Lin Yao, Hui Wang, Xiao-Mei Sha, Yan-Hong Shao, Igor A Kaltashov
Bovine α-lactalbumin (α-LA) is one of major food allergens in cow's milk. The present work sought to research the effects of ultrasonic pretreatment combined with dry heating-induced glycation between α-LA and galactose on the IgE/IgG-binding ability and glycation extent of α-LA, which determined by inhibition ELISA and high-resolution mass spectrometry respectively. The IgE/IgG-binding ability of glycated α-LA were significantly decreased as a result of ultrasonic pretreatment, while average molecular weight, incorporation ratio (IR) value, the location and number of glycation site, and degree of substitution per peptide (DSP) value was elevated...
May 14, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29758402/lactation-related-changes-in-tissue-expression-of-pedf-in-dairy-cows
#16
H Sadri, B Saremi, S Dänicke, J Rehage, M Mielenz, A Hosseini, H Sauerwein
Pigment epithelium-derived factor (PEDF) is evolving as metabolic regulatory protein. Albeit mostly considered in only pathological conditions related to excess energy intake resulting in obesity and insulin resistance, PEDF is likely to be involved in other physiological processes such as the homeorhetic adaptation of metabolism to lactation. We aimed to characterize the expression of PEDF and its association to the concomitant mobilization of body reserves during lactation in nonobese subjects. This mobilization is particularly distinct in dairy cows, and we therefore assessed the mRNA expression of PEDF and its putative receptors in different tissues in 2 trials with dairy cows fed with or without conjugated linoleic acids (CLAs)...
April 17, 2018: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/29756713/prevalence-of-cow-s-milk-protein-allergy-among-children-in-a-university-community-hospital
#17
Romina Mehaudy, Claudio A S Parisi, Natalia Petriz, Alfredo Eymann, María B Jauregui, Marina Orsi
INTRODUCTION: Cow's milk protein allergy (CMPA) is the most common food allergy in pediatrics. In Argentina, the prevalence of this disease has been evaluated in a few trials. OBJECTIVES: To estimate the prevalence of CMPA and describe its variation throughout a period of 11 years. POPULATION AND METHODS: A retrospective cohort study was carried out in live newborn infants enrolled in a health care program of a university community hospital...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29755727/antimicrobial-resistance-profile-of-e-coli-isolated-from-raw-cow-milk-and-fresh-fruit-juice-in-mekelle-tigray-ethiopia
#18
Haftay Abraha Tadesse, Netsenet Berhe Gidey, Kidane Workelule, Hagos Hailu, Seyfe Gidey, Abrha Bsrat, Habtamu Taddele
Aim: Foodborne illnesses represent a public health problem in developed and developing countries. They cause great suffering and are transmitted directly or indirectly between animals and humans and circulate in the global environment . E. coli are among them, causing a major public health problem. The aim of this study was therefore to study the antimicrobial resistance profile of E. coli from raw cow milk and fruit juice. Materials and Methods: A cross-sectional study was conducted from October 2016 to June 2017 on 258 samples collected from milk shops ( n = 86), dairy farms ( n = 86), and fruit juice ( n = 86) in different subcities of Mekelle...
2018: Veterinary Medicine International
https://www.readbyqxmd.com/read/29753490/technical-note-evaluation-of-a-sonographic-overbagging-edema-scoring-system-for-show-cows-comparison-with-visual-inspection
#19
M Balmer, M Alsaaod, M Boesiger, R O'Brien, A Steiner
Overbagged udders are commonly seen at dairy cow shows due to prolonged milking intervals. The aims of this study were to describe the prevalence of udder edema in dairy cows at shows as determined by sonography and to suggest a sonographic scoring system, which was evaluated for reproducibility and repeatability. At 4 highly competitive Swiss dairy cow shows, 319 cows of various breeds were examined. Sonographic scans-1 from each fore quarter and 1 from the rear, representing both hind quarters-were collected by 3 experienced veterinarians at defined positions predisposed to overbagging edema...
May 9, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29753489/short-communication-drying-off-practices-and-use-of-dry-cow-therapy-in-finnish-dairy-herds
#20
M J Vilar, M Hovinen, H Simojoki, P J Rajala-Schultz
The objective of this study was to survey drying-off practices and use of dry cow therapy (DCT) in Finland through an online questionnaire. The questionnaire was accessible to all dairy farmers of the Finnish dairy herd recording system in 2016 (approximately 5,400 farms). In total, 715 dairy producers across the country, representative of the Finnish dairy industry, participated in the survey. Cows were dried off gradually in most of the farms. Most farms (78%) reported using selective DCT, whereas 9% of farms did not use any DCT, and 13% of farms applied blanket DCT...
May 9, 2018: Journal of Dairy Science
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