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Cow milk tolerance

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https://www.readbyqxmd.com/read/28810831/application-of-a-bayesian-non-linear-model-hybrid-scheme-to-sequence-data-for-genomic-prediction-and-qtl-mapping
#1
Tingting Wang, Yi-Ping Phoebe Chen, Iona M MacLeod, Jennie E Pryce, Michael E Goddard, Ben J Hayes
BACKGROUND: Using whole genome sequence data might improve genomic prediction accuracy, when compared with high-density SNP arrays, and could lead to identification of casual mutations affecting complex traits. For some traits, the most accurate genomic predictions are achieved with non-linear Bayesian methods. However, as the number of variants and the size of the reference population increase, the computational time required to implement these Bayesian methods (typically with Monte Carlo Markov Chain sampling) becomes unfeasibly long...
August 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28805919/cows-exposed-to-heat-stress-during-fetal-life-exhibit-improved-thermal-tolerance
#2
B M S Ahmed, U Younas, T O Asar, S Dikmen, P J Hansen, G E Dahl
Maternal heat stress during late gestation affects calf function during postnatal life. The objective of the present study was to evaluate whether calves that experience heat stress in utero have altered thermoregulatory responses to acute heat stress later in life. Specifically, the hypothesis was that heat stress in utero would improve the response to acute heat stress at maturity. Females were born to dams exposed to heat stress or cooled during late gestation preceding their birth. All animals were raised postnatally under identical management...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28757143/methods-in-allergy-immunology-food-challenges
#3
EDITORIAL
Barbara K Ballmer-Weber, Kirsten Beyer
Since there is no in vitro test, which can accurately predict the clinical relevance of a sensitization to food, the oral food challenge still remains the most reliable procedure to confirm or exclude food allergy and to assess the development of tolerance in children with potentially transient food allergies such as to cow's milk, hen's egg, wheat or soy. Although in the last few years component-resolved diagnostic has improved the food allergy diagnostics, especially in peanut and tree nut allergy, the majority of patients still need to undergo oral food challenge...
July 27, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28737860/natural-history-of-immunoglobulin-e-mediated-cow-s-milk-allergy-in-a-population-of-argentine-children
#4
Natalia A Petriz, Claudio As Parisi, Julio N Busaniche, Patricia Evangelista, Romina Mehaudy, Marina Orsi
INTRODUCTION: Cow's milk protein allergy is the most common allergy in pediatrics. Immunoglobulin E (IgE)-mediated cow's milk allergy poses a higher risk for life and a worse prognosis. OBJETIVES: To describe the course of IgE-mediated cow's milk protein allergy and risk factors associated with disease persistence. PATIENTS AND METHODS: This was a descriptive, retrospective study conducted in patients seen at the Division of Pediatric Allergy of Hospital Italiano between June 2006 and June 2012 who had been diagnosed with IgE-mediated cow's milk allergy...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28731417/donkey%C3%A2-s-milk-is-well-accepted-and-tolerated-by-infants-with-cow%C3%A2-s-milk-food-protein-induced-enterocolitis-syndrome-a-preliminary-study
#5
F Mori, L Sarti, S Barni, N Pucci, F Belli, S Stagi, E Novembre
No abstract text is available yet for this article.
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28721077/food-protein-induced-enterocolitis-syndrome-a-review-of-the-literature-with-focus-on-clinical-management
#6
REVIEW
Marine Michelet, Dominique Schluckebier, Laetitia-Marie Petit, Jean-Christoph Caubet
Food protein-induced enterocolitis syndrome (FPIES) is a potentially severe presentation of non-IgE-mediated gastrointestinal food allergy (non-IgE-GI-FA) with heterogeneous clinical manifestations. Acute FPIES is typically characterized by profuse vomiting and lethargy, occurring classically 1-4 hours after ingestion of the offending food. When continuously exposed to the incriminated food, a chronic form has been described with persistent vomiting, diarrhea, and/or failure to thrive. Although affecting mainly infants, FPIES has also been described in adults...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/28720381/tolerance-to-baked-and-fermented-cow-s-milk-in-children-with-ige-mediated-and-non-ige-mediated-cow-s-milk-allergy-in-patients-under-two-years-of-age
#7
A Uncuoglu, N Yologlu, I E Simsek, Z S Uyan, M Aydogan
BACKGROUND: IgE-mediated cow's milk allergy (CMA) has been shown consistent in milder heated-milk tolerant and severe heated-milk reactant groups in patients older than two years. Little is known whether fermentation of milk gives rise to similar clinical phenotypes. We aimed to determine the influence of extensively heated and fermented cow's milk on the IgE-mediated and non-IgE-mediated CMA in children younger than two years. METHODS: Subjects followed with the diagnosis of IgE-mediated and non-IgE-mediated CMA for at least six months underwent unheated milk challenge...
July 15, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28711268/short-communication-implementation-of-a-breeding-value-for-heat-tolerance-in-australian-dairy-cattle
#8
Thuy T T Nguyen, Phil J Bowman, Mekonnen Haile-Mariam, Gert J Nieuwhof, Benjamin J Hayes, Jennie E Pryce
Excessive ambient temperature and humidity can impair milk production and fertility of dairy cows. Selection for heat-tolerant animals is one possible option to mitigate the effects of heat stress. To enable selection for this trait, we describe the development of a heat tolerance breeding value for Australian dairy cattle. We estimated the direct genomic values of decline in milk, fat, and protein yield per unit increase of temperature-humidity index (THI) using 46,726 single nucleotide polymorphisms and a reference population of 2,236 sires and 11,853 cows for Holsteins and 506 sires and 4,268 cows for Jerseys...
September 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28698533/prevention-and-management-of-cow-s-milk-allergy-in-non-exclusively-breastfed-infants
#9
REVIEW
Yvan Vandenplas
Introduction: The prevention and management of cow milk allergy (CMA) is still debated. Since CMA is much less frequent in breastfed infants, breastfeeding should be stimulated. Method: Literature was searched using databases to find original papers and reviews on this topic. Results: Hydrolysates with a clinical proof of efficacy are recommended in the prevention and treatment of CMA. However, not all meta-analyses conclude that hydrolysates do prevent CMA or other atopic manifestations such as atopic dermatitis...
July 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28690063/influence-of-food-deprivation-on-intravenous-glucose-tolerance-test-traits-in-holstein-friesian-heifers
#10
L Antonio González-Grajales, Laura Pieper, Joachim Kremer, Rudolf Staufenbiel
Glucose is essential for numerous cellular functions due to its involvement in energy supply from early development to adulthood. In the lactating cow, glucose demands by the mammary gland significantly increase to support milk production when compared with other tissues. Thus, insufficient blood glucose levels might predispose dairy cows to metabolic disturbances. The intravenous glucose tolerance test (ivGTT) is a suitable tool to characterize glucose metabolism and insulin responses, but results must be reliable and repeatable...
September 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28685970/invariant-natural-killer-cells-change-after-an-oral-allergy-desensitization-protocol-for-cow-s-milk
#11
Antonella Cianferoni, Rushani Saltzman, Francesca Saretta, Simona Barni, Emily Dudek, Mary Kelleher, Jonathan M Spergel
BACKGROUND: Cow milk (CM) allergy (CMA) affects up to 3% of the pediatric population and recent data suggest that only about 50% will outgrow by age 8. Oral immunotherapy (OIT) is a type of immune-modulating treatment that is able to induce desensitization to food allergens, to increase tolerance threshold, to reduce the risk of anaphylaxis, and to improve the patient's quality of life. The examination of the immunological changes observed during the establishment of food allergy (FA) desensitization in FA patients is a window into the pathogenesis of food allergy and food tolerance development...
July 7, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28680645/polychlorinated-biphenyls-pcbs-residues-in-commercial-pasteurized-cows-milk-in-tehran-iran
#12
Reza Ahmadkhaniha, Ramin Nabizadeh Nodehi, Noushin Rastkari, Hassan Mohammadi Aghamirloo
BACKGROUND: To date, despite the facts that pasteurized milk is the most consumed dairy product in Iran and its consumption has increased almost two fold during the last 10 years, no data are available concerning the concentrations of polychlorinated biphenyls (PCBs) in commercial cow milk in Iran market. METHODS: This study designed to determine the levels of PCBs in these products and to assess population exposure to PCBs by estimating the daily intakes. Pasteurized cows' milk samples (10 brands) were collected from local markets at two different seasons and analyzed using sensitive and reliable methods...
2017: Journal of Environmental Health Science & Engineering
https://www.readbyqxmd.com/read/28601453/efficacy-and-clinical-safety-of-pegbovigrastim-for-preventing-naturally-occurring-clinical-mastitis-in-periparturient-primiparous-and-multiparous-cows-on-us-commercial-dairies
#13
Peter Canning, Renee Hassfurther, Terry TerHune, Karen Rogers, Scott Abbott, David Kolb
Periparturient dairy cows experience impaired immune function, exhibited as a transient decrease in neutrophil function and neutropenia. This decrease in immune competence is associated with an increase in susceptibility to bacterial infections, including mastitis and metritis. Bovine granulocyte colony stimulating factor (bG-CSF) is an endogenous protein that enhances neutrophil bactericidal functions and increases the production of neutrophils from bone marrow precursors. Administration of pegbovigrastim (recombinant bG-CSF covalently bound to polyethylene glycol) around the time of calving has been shown to reduce the incidence of new clinical mastitis cases in a natural disease model system...
June 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28597347/contribution-of-molecular-allergen-analysis-in-diagnosis-of-milk-allergy
#14
REVIEW
Zbigniew Bartuzi, Renata Rodrigues Cocco, Antonella Muraro, Anna Nowak-Węgrzyn
PURPOSE OF REVIEW: We sought to describe the available evidence supporting the utilization of the molecular allergen analysis (MAA) for diagnosis and management of cow milk protein allergy (CMPA). RECENT FINDINGS: Cow milk proteins are among the most common food allergens in IgE- and non-IgE-mediated food allergic disorders in children. Most individuals with CMPA are sensitized to both caseins and whey proteins. Caseins are more resistant to high temperatures compared to whey proteins...
July 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28516451/evidence-that-eating-baked-egg-or-milk-influences-egg-or-milk-allergy-resolution-a-systematic-review
#15
REVIEW
R Lambert, K E C Grimshaw, B Ellis, J Jaitly, G Roberts
BACKGROUND: It has been proposed that the frequent ingestion of baked hen's egg or cow's milk accelerates the resolution of hen's egg or cow's milk allergy. This practice is being introduced into clinical practice. OBJECTIVE: To systematically review the evidence to determine whether the introduction of baked hen's egg or cow's milk into the diet of children with hen's egg or cow's milk allergies respectively leads to a larger proportion of children outgrowing these allergies than expected...
June 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28464106/breeding-and-genetics-symposium-breeding-heat-tolerant-dairy-cattle-the-case-for-introgression-of-the-slick-prolactin-receptor-variant-into-dairy-breeds
#16
S R Davis, R J Spelman, M D Littlejohn
Increasing environmental temperatures are a threat to the sustainability of livestock production and, because of the high metabolic demands of lactation, to dairy production in particular. Summer heat waves in temperate climates reduce feed intake, milk production, and cow comfort. In extreme heat events, there is an increase in cow mortality. In tropical climates, dairy cattle are mostly (zebu) type or zebu crossbred with temperate dairy breeds. Crossbreeding is undertaken to combine the heat tolerance and tick resistance of zebu with the productivity of temperate dairy breeds...
April 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28432705/prognosis-of-infantile-food-protein-induced-enterocolitis-syndrome-in-japan
#17
Mitsuaki Kimura, Masaki Shimomura, Hideaki Morishita, Takaaki Meguro
BACKGROUND: Although serum C-reactive protein (CRP) and the percentage of eosinophils in peripheral blood (Eo) are increased at onset in infants with food protein-induced enterocolitis syndrome (FPIES), the relationship of these laboratory findings to prognosis is presently unknown. METHODS: Correlation of serum CRP and Eo at onset with prognosis was analyzed in 32 patients with FPIES caused by cow's milk (CM). RESULTS: The rate of tolerance acquisition was 18...
April 22, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28424507/heat-stress-in-dairy-cattle-alters-lipid-composition-of-milk
#18
Z Liu, V Ezernieks, J Wang, N Wanni Arachchillage, J B Garner, W J Wales, B G Cocks, S Rochfort
Heat stress, potentially affecting both the health of animals and the yield and composition of milk, occurs frequently in tropical, sub-tropical and temperate regions. A simulated acute heat stress experiment was conducted in controlled-climate chambers and milk samples collected before, during and after the heat challenge. Milk lipid composition, surveyed using LC-MS, showed significant changes in triacylglycerol (TAG) and polar lipid profiles. Heat stress (temperature-humidity index up to 84) was associated with a reduction in TAG groups containing short- and medium-chain fatty acids and a concomitant increase in those containing long-chain fatty acids...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28365122/derivation-and-genome-wide-association-study-of-a-principal-component-based-measure-of-heat-tolerance-in-dairy-cattle
#19
N P P Macciotta, S Biffani, U Bernabucci, N Lacetera, A Vitali, P Ajmone-Marsan, A Nardone
Heat stress represents a key factor that negatively affects the productive and reproductive performance of farm animals. In the present work, a new measure of tolerance to heat stress for dairy cattle was developed using principal component analysis. Data were from 590,174 test-day records for milk yield, fat and protein percentages, and somatic cell score of 39,261 Italian Holstein cows. Test-day records adjusted for main systematic factors were grouped into 11 temperature-humidity index (THI) classes. Daughter trait deviations (DTD) were calculated for 1,540 bulls as means of the adjusted test-day records for each THI class...
March 29, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28346705/performance-of-a-polymer-coated-silicon-microarray-for-simultaneous-detection-of-food-allergen-specific-ige-and-igg4
#20
S Sievers, M Cretich, P Gagni, B Ahrens, G Grishina, H A Sampson, B Niggemann, M Chiari, K Beyer
BACKGROUND: Microarray-based component-resolved diagnostics (CRD) has become an accepted tool to detect allergen-specific IgE sensitization towards hundreds of allergens in parallel from one drop of serum. Nevertheless, specificity and sensitivity as well as a simultaneous detection of allergen-specific IgG4 , as a potential parameter for tolerance development, remain to be optimized. OBJECTIVE: We applied the recently introduced silicon chip coated with a functional polymer named copoly(DMA-NAS-MAPS) to the simultaneous detection of food allergen-specific IgE and IgG4 , and compared it with ImmunoCAP and ImmunoCAP ISAC...
March 27, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
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