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https://www.readbyqxmd.com/read/29457221/association-of-stat6-gene-variants-with-food-allergy-diagnosed-by-double-blind-placebo-controlled-food-challenges
#1
C D van Ginkel, M E Pettersson, A E J Dubois, G H Koppelman
This study describes the role of two STAT6 gene variants in food allergy using data of patients and their parents who underwent double-blind placebo-controlled food challenges (DBPCFCs). After quality control, 369 trios were analyzed including 262 children (71.0%) with food allergy. Associations were tested by family based association testing (FBAT). The A alleles of both SNPs were associated with food allergy (p=0.036 and p=0.013 for rs324015 and rs1059513, respectively). Furthermore, these A alleles were associated with peanut allergy, higher sIgE levels to both peanut and cow's milk, more severe symptoms and higher eliciting doses during peanut and cow's milk DBPCFCs (all p<0...
February 19, 2018: Allergy
https://www.readbyqxmd.com/read/29456341/using-of-fresh-cadaveric-cow-brain-in-the-microsurgical-training-model-for-sulcal-cisternal-and-fissural-dissection
#2
Ahmet Gökyar, Cengiz Cokluk
Objective: The aim of this experimental study was to evaluate the feasibility of using fresh cadaveric cow brain as in a training model for microsurgical dissection of sulcus, cisterns, and fissure. Methods: Experimental microneurosurgical activities in this study were performed under the operating microscope. Bilateral sylvian cisterns, interhemispheric fissure, and hemispheric sulcus of the fresh cadaveric cow brain were used as an interested area for this experimental study...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456336/using-of-fresh-cadaveric-cow-brain-in-the-microsurgical-training-model-for-sulcal-cisternal-and-fissural-dissection
#3
EDITORIAL
Raghunath Avanali
No abstract text is available yet for this article.
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456028/polyphasic-characterization-of-a-novel-species-in-the-lactobacillus-casei-group-from-cow-manure-of-taiwan-description-of-l-chiayiensis-sp-nov
#4
Chien-Hsun Huang, Jong-Shian Liou, Ai-Yun Lee, Min Tseng, Mika Miyashita, Lina Huang, Koichi Watanabe
Two Gram-stain-positive, rod-shaped, non-motile, catalase-negative and facultative anaerobic strains, NCYUAST and BCRC 18859 (=NRIC 1947), were isolated from cow manure of Taiwan and coconut juice of Philippines, respectively. Comparative sequence analysis of 16S rRNA gene revealed that the novel strains were members of the genus Lactobacillus. These two strains had 100% of 16S rRNA gene sequence similarity and 98.6% of average nucleotide identity (ANI) value based on whole genome sequences. On the basis of 16S rRNA gene sequence similarity, the type strains of Lactobacillus casei (99...
February 7, 2018: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/29455846/the-unusual-genetics-and-biochemistry-of-bovine-immunoglobulins
#5
Robyn L Stanfield, Jeremy Haakenson, Thaddeus C Deiss, Michael F Criscitiello, Ian A Wilson, Vaughn V Smider
Antibodies are the key circulating molecules that have evolved to fight infection by the adaptive immune system of vertebrates. Typical antibodies of most species contain six complementarity-determining regions (CDRs), where the third CDR of the heavy chain (CDR H3) has the greatest diversity and often makes the most significant contact with antigen. Generally, the process of V(D)J recombination produces a vast repertoire of antibodies; multiple V, D, and J gene segments recombine with additional junctional diversity at the V-D and D-J joints, and additional combinatorial possibilities occur through heavy- and light-chain pairing...
2018: Advances in Immunology
https://www.readbyqxmd.com/read/29454702/c-c-motif-chemokine-ligand-2-induces-proliferation-and-prevents-lipopolysaccharide-induced-inflammatory-responses-in-bovine-mammary-epithelial-cells
#6
Changwon Yang, Whasun Lim, Hyocheol Bae, Fuller W Bazer, Gwonhwa Song
C-C motif chemokine ligand 2 (CCL2) is a small chemokine which belongs to the CC-type chemokine family, and has chemoattractant activity for recruitment of monocytes to sites of inflammation. Overexpressed CCL2 binding to its receptor C-C chemokine receptor 2 increases the risk of breast cancer in humans, but its effects on proliferation of bovine mammary epithelial cells is not known. Maintaining a high level of proliferative activity in bovine mammary epithelial cells during lactation is important for improving milk yield and can benefit the dairy industry economically...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454700/technical-note-an-in-vivo-method-to-determine-kinetics-of-unsaturated-fatty-acid-biohydrogenation-in-the-rumen
#7
M Baldin, D E Rico, M H Green, K J Harvatine
Rumen microbial biohydrogenation (BH) of unsaturated fatty acids (UFA) has been extensively studied in vitro; however, in vitro BH pathways, rates, and extents may not parallel those in vivo. The objective was to develop an assay to assess in vivo rates, pathways, and extent of BH of oleic (OA), linoleic (LA), and α-linolenic acid (ALA). Each UFA was characterized in a separate experiment, each using 4 ruminally cannulated lactating Holstein cows. A single bolus consisting of 200 g of a UFA-oil [experiment 1 (EXP1): 87% OA sunflower, experiment 2 (EXP2): 70% LA safflower, and experiment 3 (EXP3): 54% ALA flaxseed] and 12 g of heptadecanoic acid (C17:0) was mixed into the rumen through the fistula...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454699/interrelations-between-the-rumen-microbiota-and-production-behavioral-rumen-fermentation-metabolic-and-immunological-attributes-of-dairy-cows
#8
M Schären, J Frahm, S Kersten, U Meyer, J Hummel, G Breves, S Dänicke
Different studies have shown a strong correlation between the rumen microbiome and a range of production traits (e.g., feed efficiency, milk yield and components) in dairy cows. Underlying dynamics concerning cause and effect are, however, still widely unknown and warrant further investigation. The aim of the current study was to describe possible functional interrelations and pathways using a large set of variables describing the production, the metabolic and immunological state, as well as the rumen microbiome and fermentation characteristics of dairy cows in early lactation (n = 36, 56 ± 3 d in milk)...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454698/udder-health-of-dairy-cows-fed-different-dietary-energy-levels-after-a-short-or-no-dry-period-without-use-of-dry-cow-antibiotics
#9
R J van Hoeij, T J G M Lam, R M Bruckmaier, J Dijkstra, G J Remmelink, B Kemp, A T M van Knegsel
Reports on the effects of length of dry period (DP) on udder health of cows that were not treated with dry cow antibiotics are scarce. Additionally, the effects of a reduced dietary energy level for cows with a 0-d DP on udder health have not yet been studied. The aims of this study were (1) to compare effects of a 0-d or 30-d DP without use of dry cow antibiotics on udder health across the DP and subsequent lactation in dairy cows fed different dietary energy levels and (2) to evaluate associations between udder health and metabolic status of dairy cows...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454697/symposium-review-building-a-better-cow-the-australian-experience-and-future-perspectives
#10
J E Pryce, T T T Nguyen, M Axford, G Nieuwhof, M Shaffer
Genomic selection has led to opportunities for developing new breeding values that rely on phenotypes in dedicated reference populations of genotyped cows. In Australia, it has been applied to 2 novel traits: feed efficiency, which was released in 2015 as feed saved breeding values, and heat tolerance genomic breeding values, released for the first time in 2017. Feed saved is already included in the national breeding objective, which is focused on profitability and designed to be in line with farmer preferences...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454694/milk-losses-associated-with-somatic-cell-counts-by-parity-and-stage-of-lactation
#11
Juliano L Gonçalves, Roger I Cue, Bruno G Botaro, José A Horst, Altair A Valloto, Marcos V Santos
The reduction of milk production caused by subclinical mastitis in dairy cows was evaluated through the regression of test-day milk yield on log-transformed somatic cell counts (LnSCC). Official test-day records (n = 1,688,054) of Holstein cows (n = 87,695) were obtained from 719 herds from January 2010 to December 2015. Editing was performed to ensure both reliability and consistency for the statistical analysis, and the final data set comprised 232,937 test-day records from 31,692 Holstein cows in 243 herds...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454693/mating-strategies-to-maximize-genetic-merit-in-dairy-cattle-herds
#12
T Johnson, K Eketone, L McNaughton, K Tiplady, J Voogt, R Sherlock, G Anderson, M Keehan, S R Davis, R J Spelman, D Chin, C Couldrey
The genetic merit of a herd is a key determinant in productivity for dairy farmers. However, making breeding decisions to maximize the rate of genetic gain can be complex because there is no certainty about which cows will become pregnant with a heifer calf. In this study, breeding worth (BrW) was used as a measure of genetic merit, and several mating strategies were evaluated. These strategies included randomly mating whole herds to the entire bull team, excluding low-ranked cows from producing replacement heifers, and nominating high-ranked cows to the most highly ranked bulls...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454692/from-milk-to-cheese-evolution-of-flavor-fingerprint-of-milk-cream-curd-whey-ricotta-scotta-and-ripened-cheese-obtained-during-summer-alpine-pasture
#13
M Bergamaschi, G Bittante
The role of each step of cheese and ricotta making in development of flavor of cheese and other dairy products is not yet well known. The objectives of this study were to characterize volatile organic compounds (VOC) in cheese and ricotta making with bulk milk from cows grazing in a highland area and to evaluate their evolution in the various dairy products and by-products obtained during the production processes. A group of 148 cows was grazed day and night on pasture from June to September. A total of 7 cheese-making sessions were carried out using the bulk milk collected every 2 wk during summer pasturing according to the artisanal procedure used for Malga cheese production...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454691/the-effect-of-alfalfa-medicago-sativa-silage-chop-length-and-inclusion-rate-within-a-total-mixed-ration-on-the-ability-of-lactating-dairy-cows-to-cope-with-a-short-term-feed-withholding-and-refeeding-challenge
#14
A L Thomson, D J Humphries, L A Crompton, C K Reynolds
The objectives of the study were (1) to test whether 6 h of feed deprivation followed by refeeding induces an acidosis challenge in dairy cattle and (2) to quantify the acidosis challenge mitigation potential of increased alfalfa silage concentration in the diet. Alfalfa silage constituted either 25 or 75% of forage dry matter (DM) replacing corn silage [low (LA) or high alfalfa (HA)] and was chopped to either 14 or 19 mm theoretical length [short (S) or long (L)]. Dietary treatments LAS, LAL, HAS, or HAL were offered to 4 rumen-cannulated Holstein dairy cattle (161 d in milk; 5th or 6th parity) in a 4 × 4 Latin square design study with 21-d periods...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454690/hyperimmune-colostrum-alleviates-rheumatoid-arthritis-in-a-collagen-induced-arthritis-murine-model
#15
Lan-Hsin Hung, Chi-Heng Wu, Bi-Fong Lin, Lucy Sun Hwang
Our aging population and the accompanying decline in immune function is a growing concern that may be addressed by finding natural methods to enhance the immunocompetence of our elderly. Bovine milk and colostrum from cows that have been immunized have been shown to provide additional immunoglobulins and other bioactive molecules that enhance immune function. The purpose of this study was to investigate the ability of hyperimmune bovine colostrum to alleviate the symptoms of rheumatoid arthritis in a murine model...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454687/bioeconomics-of-sexed-semen-utilization-in-a-high-producing-holstein-friesian-dairy-herd
#16
D J Cottle, M Wallace, P Lonergan, A G Fahey
A bioeconomic, stochastic spreadsheet model, that included calculation of the net present value of the additional value of all future descendants resulting from increased selection intensity, was developed to study the profitability of using sexed semen in a high input-high output dairy herd. Three management strategies were modeled: (1) only heifers inseminated with sex-sorted semen and cows inseminated with unsorted semen; (2) both heifers and cows inseminated with sex-sorted semen; and (3) a reference scenario, in which all breeding females were inseminated with unsorted semen...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454686/differential-effects-of-a-single-dose-of-oral-calcium-based-on-postpartum-plasma-calcium-concentration-in-holstein-cows
#17
B M Leno, R C Neves, I M Louge, M D Curler, M J Thomas, T R Overton, J A A McArt
Our objectives were to determine (1) the effect of a single dose of an oral Ca bolus within 24 h after parturition on plasma Ca concentration, (2) the response of primiparous (PP) and multiparous (MP) cows to this supplementation strategy, and (3) differential responses based on plasma Ca at enrollment. For objective 1, cows from 1 commercial dairy in New York State were enrolled within 19 h after parturition (mean ± standard deviation = 8.3 ± 5.3 h) and randomized within parity group (first, second, and ≥third) to control [CON (n = 25); no placebo] or a single dose bolus treatment [BOL (n = 25); 3 oral Ca boluses supplying 54 to 64 g of Ca]...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454684/behavior-and-productivity-of-cows-milked-in-automated-systems-before-diagnosis-of-health-disorders-in-early-lactation
#18
M T M King, S J LeBlanc, E A Pajor, T C Wright, T J DeVries
Associations of electronically recorded data were examined before diagnosis of health disorders in early-lactation cows in herds with automated milking systems (AMS). Rumination time, activity, and milk yield data were collected for 8 mo for 605 early-lactation cows in 9 commercial AMS herds. Using multivariable generalized linear regression models controlling for parity and days in milk, data were examined relative to the day of diagnosis for health disorders occurring in absence of, or at least 14 d before, another disorder: mastitis (n = 13), new cases of lameness (n = 45), subclinical ketosis (SCK; n = 113), and purulent vaginal discharge (n = 49)...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454683/short-communication-heritability-of-twinning-rate-in-holstein-cattle
#19
Beth M Lett, Brian W Kirkpatrick
Multiple births or twinning in cattle is a naturally occurring reproductive phenomenon. For dairy cattle, twinning is considered a detrimental trait as it can be harmful to cow and calf as well as costly to the producer. The objective of this study was to examine recent US calving records for the Holstein breed to determine a current estimate of heritability for twinning rate along with effects of season and parity. Two models were used in this study: a linear sire model and a binary threshold-logit sire model...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29453751/effects-of-ewe-s-milk-yogurt-whole-and-semi-skimmed-and-cow-s-milk-yogurt-on-inflammation-markers-and-gut-microbiota-of-subjects-with-borderline-high-plasma-cholesterol-levels-a-crossover-study
#20
Noemí Redondo, Natalia García-González, Ligia E Diaz-Prieto, Begoña Olmedilla-Alonso, Ana B Martín-Diana, Carmen Asensio-Vegas, Esther Nova
PURPOSE: Ewe's milk yogurt is richer in proteins, minerals and short- and medium-chain fatty acids compared to cow's milk yogurt. We aimed to evaluate the effects of cow's milk yogurt (CW, 3.0% fat), semi-skimmed (ES, 2.8% fat) and whole ewe's milk yogurts (EW, 5.8% fat) on inflammatory markers and gut microbiota in subjects with borderline-high plasma cholesterol. METHODOLOGY: 30 adults (16 women) were randomized into a crossover study to consume 250 g/yogurt/day during three 5-week periods (4-week washouts)...
February 16, 2018: European Journal of Nutrition
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