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bovine colostrum

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https://www.readbyqxmd.com/read/28414597/bovine-colostral-cells-the-often-forgotten-component-of-colostrum
#1
Diego D Gonzalez, Maria J Dus Santos
No abstract text is available yet for this article.
May 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28397754/oral-supplementation-with-bovine-colostrum-decreases-intestinal-permeability-and-stool-concentrations-of-zonulin-in-athletes
#2
Maciej Hałasa, Dominika Maciejewska, Magdalena Baśkiewicz-Hałasa, Bogusław Machaliński, Krzysztof Safranow, Ewa Stachowska
Increased intestinal permeability has been implicated in various pathologies, has various causes, and can develop during vigorous athletic training. Colostrum bovinum is a natural supplement with a wide range of supposed positive health effects, including reduction of intestine permeability. We assessed influence of colostrum supplementation on intestinal permeability related parameters in a group of 16 athletes during peak training for competition. This double-blind placebo-controlled study compared supplementation for 20 days with 500 mg of colostrum bovinum or placebo (whey)...
April 8, 2017: Nutrients
https://www.readbyqxmd.com/read/28335407/bovine-colostrum-whey-protein-hydrolysate-inhibits-cell-dna-damage-and-ldl-oxidation-in-vitro
#3
Shu-Hua Chiang, Shiu-Yu Wang, Chi-Yue Chang, Chih-Wei Chen
Whey protein isolated from bovine colostrums collected on the second day postpartum was two-stage hydrolyzed by alcalase and flavourzyme [...].
March 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28316968/a-stepwise-pilot-study-of-bovine-colostrum-to-supplement-the-first-enteral-feeding-in-preterm-infants-precolos-study-protocol-and-initial-results
#4
Yanqi Li, Sandra M Juhl, Xuqiang Ye, René L Shen, Elisabeth Omolabake Iyore, Yiheng Dai, Per T Sangild, Gorm O Greisen
STUDY PROTOCOL: The optimal feeding for preterm infants during the first weeks is still debated, especially when mother's own milk is lacking or limited. Intact bovine colostrum (BC) contains high amounts of protein, growth factors, and immuno-regulatory components that may benefit protein intake and gut maturation. We designed a pilot study to investigate the feasibility and tolerability of BC as the first nutrition for preterm infants. The study was designed into three phases (A, B, and C) and recruited infants with birth weights of 1,000-1,800 g (China) or gestational ages (GAs) of 27 + 0 to 32 + 6 weeks (Denmark)...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28290293/comparative-proteomic-analysis-of-milk-derived-exosomes-in-human-and-bovine-colostrum-and-mature-milk-samples-by-itraq-coupled-lc-ms-ms
#5
Mei Yang, Dahe Song, Xueyan Cao, Rina Wu, Biao Liu, Wenhui Ye, Junrui Wu, Xiqing Yue
Exosomes are membranous vesicles found in biological fluids with important functions. However, milk-derived exosome proteins from humans and bovines have not been studied in detail. The advanced iTRAQ proteomic approach was used to analyze milk-derived exosomes in human and bovine colostrum and mature milk samples. A total of 920 milk exosome proteins were identified and quantified. Among these, 575 differentially expressed exosome proteins (P<0.05) were found. Multivariate analysis, gene ontology (GO) annotation and the KEGG pathway were used to interpret the identified proteins...
February 2017: Food Research International
https://www.readbyqxmd.com/read/28290057/intestinal-fatty-acid-binding-protein-and-gut-permeability-responses-to-exercise
#6
Daniel S March, Tania Marchbank, Raymond J Playford, Arwel W Jones, Rhys Thatcher, Glen Davison
PURPOSE: Intestinal cell damage due to physiological stressors (e.g. heat, oxidative, hypoperfusion/ischaemic) may contribute to increased intestinal permeability. The aim of this study was to assess changes in plasma intestinal fatty acid-binding protein (I-FABP) in response to exercise (with bovine colostrum supplementation, Col, positive control) and compare this to intestinal barrier integrity/permeability (5 h urinary lactulose/rhamnose ratio, L/R). METHODS: In a double-blind, placebo-controlled, crossover design, 18 males completed two experimental arms (14 days of 20 g/day supplementation with Col or placebo, Plac)...
March 13, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28285432/a-low-dose-6-week-bovine-colostrum-supplementation-maintains-performance-and-attenuates-inflammatory-indices-following-a-loughborough-intermittent-shuttle-test-in-soccer-players
#7
Yiannis Kotsis, Anastasia Mikellidi, Cleopatra Aresti, Eleni Persia, Aristomenis Sotiropoulos, Demosthenes B Panagiotakos, Smaragdi Antonopoulou, Tzortzis Nomikos
PURPOSE: The aim of the study was to investigate the effect of a 6-week, low-dose bovine colostrum (BC) supplementation on exercise-induced muscle damage (EIMD) and performance decline in soccer players following the Loughborough Intermittent Shuttle Test (LIST) during a competitive season period. METHODS: In a double-blind, randomized, placebo-controlled design, two groups of soccer players were allocated to a 3.2 g/day of whey protein (WP, N = 8) or BC (N = 10) and performed a pre- and a post-supplementation LIST...
March 11, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28276902/comparative-proteomic-exploration-of-whey-proteins-in-human-and-bovine-colostrum-and-mature-milk-using-itraq-coupled-lc-ms-ms
#8
Mei Yang, Xueyan Cao, Rina Wu, Biao Liu, Wenhui Ye, Xiqing Yue, Junrui Wu
Whey, an essential source of dietary nutrients, is widely used in dairy foods for infants. A total of 584 whey proteins in human and bovine colostrum and mature milk were identified and quantified by the isobaric tag for relative and absolute quantification (iTRAQ) proteomic method. The 424 differentially expressed whey proteins were identified and analyzed according to gene ontology (GO) annotation, Kyoto encyclopedia of genes and genomes (KEGG) pathway, and multivariate statistical analysis. Biological processes principally involved biological regulation and response to stimulus...
February 20, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28268184/feeding-premature-neonates-kinship-and-species-in-translational-neonatology
#9
Mie S Dam, Sandra M Juhl, Per T Sangild, Mette N Svendsen
Kinship, understood as biogenetic proximity, between a chosen animal model and a human patient counterpart, is considered essential to the process of 'translating' research from the experimental animal laboratory to the human clinic. In the Danish research centre, NEOMUNE, premature piglets are fed a novel milk diet (bovine colostrum) to model the effects of this new diet in premature infants. Our ethnographic fieldwork in an experimental pig laboratory and a neonatal intensive care unit (NICU) in 2013-2014 shows that regardless of biogenetics, daily practices of feeding, housing, and clinical care hold the potential for stimulating and eroding kinship relations between human and nonhuman actors...
April 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28237588/evaluating-a-commercial-pcr-assay-against-bacterial-culture-for-diagnosing-streptococcus-uberis-and-staphylococcus-aureus-throughout-lactation
#10
N M Steele, J H Williamson, R Thresher, R A Laven, J E Hillerton
The performance of a commercial, real-time PCR assay was compared with traditional bacterial culture for the identification of Streptococcus uberis and Staphylococcus aureus in bovine milk collected at different stages of lactation. Initial validation tests using fresh and frozen quarter milk samples identified factors that affected the success of the PCR. Therefore, the standard protocol was adjusted for samples collected at the first milking postpartum (colostrum) and from clinical mastitis cases. The adjustment involved PCR testing both undiluted and diluted (1 in 10 with sterile water) DNA extracts...
May 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28161185/the-bovine-colostrum-microbiome-and-its-association-with-clinical-mastitis
#11
Svetlana F Lima, Andre G V Teixeira, Fabio S Lima, Erika K Ganda, Catherine H Higgins, Georgios Oikonomou, Rodrigo C Bicalho
In an effort to characterize colostrum microbial diversity and its potential associations with early-lactation clinical mastitis, we used high-throughput sequencing of the 16S rRNA gene to investigate the bovine colostrum microbiome. A prospective observational study was conducted that included 70 Holstein cows; colostrum samples were collected from all 4 mammary gland quarters. Colostrum samples were categorized according to whether the quarter was diagnosed (CMC) or not diagnosed (NCMC) with clinical mastitis during the first 30 d postpartum...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28145111/comparative-glycomics-of-fat-globule-membrane-glycoconjugates-from-buffalo-bubalus-bubalis-milk-and-colostrum
#12
Nagaraju Brijesha, Shin-Ichiro Nishimura, Huligerepura Sosalegowda Aparna
The health-promoting effects of milk fat globule membrane (MFGM) glycoconjugates has attracted curiosity especially with regard to the challenges encountered to unravel the glycan complexities of MFGM glycoproteins and glycosphingolipids. In this context, we characterized glycans present in buffalo milk and colostrum fat globule membranes by matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) MS analysis by adopting chemoselective glycoblotting technique. Unlike human and bovine MFGM glycoproteins, the variations were obvious with respect to their number, size, heterogeneity, and abundance among the samples analyzed...
February 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28109583/detection-of-recombinant-human-lactoferrin-and-lysozyme-produced-in-a-bitransgenic-cow
#13
Germán G Kaiser, Nicolás C Mucci, Vega González, Lourdes Sánchez, José A Parrón, María D Pérez, Miguel Calvo, Juan F Aller, Federico A Hozbor, Adrián A Mutto
Lactoferrin and lysozyme are 2 glycoproteins with great antimicrobial activity, being part of the nonspecific defensive system of human milk, though their use in commercial products is difficult because human milk is a limited source. Therefore, many investigations have been carried out to produce those proteins in biological systems, such as bacteria, yeasts, or plants. Mammals seem to be more suitable as expression systems for human proteins, however, especially for those that are glycosylated. In the present study, we developed a bicistronic commercial vector containing a goat β-casein promoter and an internal ribosome entry site fragment between the human lactoferrin and human lysozyme genes to allow the introduction of both genes into bovine adult fibroblasts in a single transfection...
March 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088405/evaluation-of-factors-associated-with-immunoglobulin-g-fat-protein-and-lactose-concentrations-in-bovine-colostrum-and-colostrum-management-practices-in-grassland-based-dairy-systems-in-northern-ireland
#14
A Dunn, A Ashfield, B Earley, M Welsh, A Gordon, S J Morrison
The objectives of this study were to investigate colostrum feeding practices and colostrum quality on commercial grassland-based dairy farms, and to identify factors associated with colostrum quality that could help inform the development of colostrum management protocols. Over 1 yr, background information associated with dairy calvings and colostrum management practices were recorded on 21 commercial dairy farms. Colostrum samples (n = 1,239) were analyzed for fat, protein, lactose, and IgG concentration. A subset was analyzed for somatic cell count and total viable bacteria count...
March 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28072925/impact-of-low-and-high-doses-of-marbofloxacin-on-the-selection-of-resistant-enterobacteriaceae-in-the-commensal-gut-flora-of-young-cattle-discussion-of-data-from-2-study-populations
#15
Guillaume Lhermie, Véronique Dupouy, Farid El Garch, Nadine Ravinet, Pierre-Louis Toutain, Alain Bousquet-Mélou, Henri Seegers, Sébastien Assié
In the context of requested decrease of antimicrobial use in veterinary medicine, our objective was to assess the impact of two doses of marbofloxacin administered on young bulls (YBs) and veal calves (VCs) treated for bovine respiratory disease, on the total population of Enterobacteriaceae in gut flora and on the emergence of resistant Enterobacteriaceae. In two independent experiments, 48 YBs from 6 commercial farms and 33 VCs previously colostrum deprived and exposed to cefquinome were randomly assigned to one of the three groups LOW, HIGH, and Control...
January 10, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28007592/colostrum-proinflammatory-cytokines-as-biomarkers-of-bovine-immune-response-to-bovine-tuberculosis-btb
#16
Eduardo Sánchez-Soto, Rosa Ponce-Ramos, Rodolfo Hernández-Gutiérrez, Abel Gutiérrez-Ortega, Angel H Álvarez, Moisés Martínez-Velázquez, Angel E Absalón, Pablo Ortiz-Lazareno, Alberto Limón-Flores, Ciro Estrada-Chávez, Sara E Herrera-Rodríguez
Bovine colostrum contains compounds, which provide passive immune protection from mother to newborn calves. Little is known about cytokine levels and their role in bovine colostrum. Moreover, the capacity of bovine colostrum cells to mount specific immune responses after natural exposure to bovine tuberculosis (bTB) antigens in dairy herds has not been studied, thus far. The purpose of this study was to identify biomarkers for bTB infection measurable in bovine colostrum. The present study reveals that isolated-immune colostrum cells can mount a specific immune response against bTB antigens, by measuring the novo IFN-γ release in cell culture...
February 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27988130/rapid-assessment-of-bovine-colostrum-quality-how-reliable-are-transmission-infrared-spectroscopy-and-digital-and-optical-refractometers
#17
I Elsohaby, J T McClure, M Cameron, L C Heider, G P Keefe
The objectives of this study were to evaluate the performance of the transmission infrared (IR) spectroscopic method and digital and optical Brix refractometers for measurement of colostral IgG concentration and assessment of colostrum quality of dairy cows. Colostrum samples (n = 258) were collected from Holstein cows on 30 commercial dairy farms in Nova Scotia and Newfoundland, Canada. Colostral IgG concentrations of 255 samples were measured by the reference radial immunodiffusion (RID) assay and IR spectroscopy...
February 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/27889851/effect-of-cow-colostrum-on-the-performance-and-survival-rate-of-local-newborn-piglets-in-benin-republic
#18
Aristide Mahoutin Agbokounou, Gbênangnon Serge Ahounou, Issaka Youssao Abdou Karim, Guy Apollinaire Mensah, Bénoît Koutinhouin, Jean-Luc Hornick
The effect of bovine colostrum, including its thermally labile compounds, on the survival and growth performance of local breed piglets reared by their mother, in Benin, was evaluated over a 49-day trial. Three groups of 16 piglets, stemming from two primiparous sows belonging to a unique traditional farm, were respectively fed for the first 48 h of life with either bovine colostrum heated to 85 °C for 30 min, or thawed bovine colostrum, or colostrum from the mother. Thereafter, the animals that received bovine colostrum turned back to their mother...
February 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27863544/effect-of-a-post-weaning-diet-supplemented-with-functional-feed-additives-on-ileal-transcriptome-activity-and-serum-cytokines-in-piglets-challenged-with-lipopolysaccharide
#19
N Bissonnette, X R Jiang, J J Matte, F Guay, G Talbot, V Bontempo, J Gong, Q Wang, M Lessard
This study evaluated the potential of a weanling diet supplemented with trace minerals, vitamins, prebiotics, essential oils, antioxidants and bovine colostrum (BC) to modulate the inflammatory response of low-weight (LW) and high-weight (HW) piglets challenged with lipopolysaccharide (LPS). At weaning (20±1 d), litters from 32 sows were assigned to four groups: control diet (CTL), CTL plus dietary supplements (DS) or the antibiotic chlortetracycline (ATB), or DS plus BC in place of plasma proteins in the weanling diet (DS+BC)...
December 2016: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/27862411/natural-and-artificial-hyperimmune-solutions-impact-on-health-in-puppies
#20
H Mila, A Grellet, C Mariani, A Feugier, B Guard, J Suchodolski, J Steiner, S Chastant-Maillard
Colostrum and milk are complex mammary secretions providing the puppy with many nutritional and immunological factors, which play a crucial role for its correct development and survival. In the case of colostrum and/or milk intake deficiency, puppies are at increased risk of infectious diseases. This work reviews the various nutritional hyperimmune supplementations proposed to provide a passive immune protection and to positively impact puppies' health. Some strategies rely on canine immunoglobulins: canine colostrum banking and canine serum/plasma supplementation...
November 15, 2016: Reproduction in Domestic Animals, Zuchthygiene
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