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bovine colostrum

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https://www.readbyqxmd.com/read/29147088/evaluation-and-characterization-of-milk-derived-microvescicle-isolated-from-bovine-colostrum
#1
Brighton E Maburutse, Mi-Ri Park, Sangnam Oh, Younghoon Kim
Extracellular microvesicles are membranous nano-sized cellular organelles secreted by a variety of cells under normal and pathological conditions and heterogeneous in size ranging from 30 nm to 1 μm. They carry functional microRNAs that can influence immunity and development. For a particular application of microvesicles, choice of isolation method is particularly important; however, their isolation methods from colostrum in particular have not been described clearly. In this work, differential ultracentrifugation as a conventional method, ultracentrifugation with some modification such as additional precipitations, ultrafiltration, sucrose gradient separation and ExoQuick™ as a commercial reagent were compared...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/29102148/short-communication-effect-of-freezer-storage-time-and-thawing-method-on-the-recovery-of-mycoplasma-bovis-from-bovine-colostrum
#2
L Gille, F Boyen, L Van Driessche, B Valgaeren, F Haesebrouck, P Deprez, B Pardon
Mycoplasma bovis is an important cause of mastitis in dairy cattle, and pneumonia, arthritis, and otitis in calves. Milk and colostrum are considered important sources of infection for calves. Knowledge on the effect of on-farm freezing (-18°C) and thawing methods on the recovery of M. bovis from colostrum samples is missing. In this study, 2 separate experiments were performed. The first experiment consisted of a longitudinal study examining the survival [as measured by log(10) reduction] of 2 M. bovis strains in frozen colostrum over 14 wk...
October 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29102133/short-communication-the-effect-of-heat-treatment-of-bovine-colostrum-on-the-concentration-of-oligosaccharides-in-colostrum-and-in-the-intestine-of-neonatal-male-holstein-calves
#3
Amanda J Fischer, Nilusha Malmuthuge, Le Luo Guan, Michael A Steele
The objective of this study was to determine the effect of the heat treatment (HT, 60°C for 60 min) on the concentration of bovine colostrum oligosaccharides (bCO) in pooled bovine colostrum and the intestine of neonatal male Holstein calves after feeding. First-milking colostrum was pooled from both primiparous and multiparous cows, and half of the pooled colostrum was heat-treated at 60°C for 60 min (HC), whereas the other half was not heat-treated and remained fresh (FC). At birth, 32 male Holstein calves were randomly assigned to 1 of 3 treatment groups: (1) control calves that did not receive colostrum for the duration of the experiment and were euthanized at 6 h (NC, n = 4) or 12 h (NC, n = 4), (2) calves fed fresh colostrum (FC) and were euthanized at 6 h (FC, n = 6) or 12 h (FC, n = 6), or (3) calves fed heat-treated colostrum (HC) and euthanized at 6 h (HC, n = 6) or 12 h (HC, n = 6)...
October 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29063949/bovine-colostrum-supplementation-does-not-affect-plasma-i-fabp-concentrations-following-exercise-in-a-hot-and-humid-environment
#4
Zachary McKenna, Quint Berkemeier, Ashley Naylor, Austin Kleint, Felipe Gorini, Jason Ng, Jong-Kyung Kim, Sean Sullivan, Trevor Gillum
PURPOSE: To quantify the impact of a 14-day bovine colostrum (BC) supplementation on intestinal cell damage following exercise in a hot and humid environment. METHODS: Ten male participants (20 ± 2 years, VO2max 55.80 ± 3.79 mL kg(-1) min(-1), 11.81 ± 2.71% body fat) ran for 46 ± 7.75 min at 95% of ventiliatory threshold in 40 °C and 50% RH following a 14-day double-blinded supplementation with either BC or placebo (Plac). Core temperature, skin temperature, heart rate, and rating of perceived exertion were recorded every 5 min during exercise...
December 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29057583/a-medical-device-containing-purified-bovine-colostrum-monurelle-biogel-in-the-treatment-of-vulvovaginal-atrophy-in-postmenopausal-women-retrospective-analysis-of-urinary-symptoms-sexual-function-and-quality-of-life
#5
M C Schiavi, C Di Tucci, V Colagiovanni, P Faiano, A Giannini, O D'Oria, G Prata, G Perniola, M Monti, M A Zullo, L Muzii, P Benedetti Panici
OBJECTIVE: This study assessed the effectiveness and safety of a medical device containing purified bovine colostrum (Monurelle Biogel; Zambon, Bresso, Italy) in improving vulvovaginal atrophy (VVA), sexual function, urinary symptoms, and quality of life (QoL) in postmenopausal women. METHODS: In all, 172 postmenopausal women with VVA were included in the study. All women were treated with vaginal Monurelle Biogel daily for 12 weeks. Patients underwent clinical examinations, completed a 3-day voiding diary, and had VVA graded using the Vaginal Health Index (VHI) at baseline and 12 weeks...
October 23, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/29039296/effect-of-human-milk-formula-with-bovine-colostrum-supplementation-on-bone-mineral-density-in-infant-cynomolgus-macaques
#6
N Tay, Y C Tan, K Chng, C Libedinsky, P Gluckman, J P Buschdorf
Insulin-like growth factor 1 (IGF1) is a regulator of human growth during infancy and childhood, known to promote bone and muscle growth as well as lipid accumulation. This study aimed to investigate the effects of formula milk with or without IGF1 supplementation (in the form of pure IGF1 or bovine colostrum) on growth and body composition in infant cynomolgus macaques during the first 6 months of life. Three groups of infants were nursery-reared and received formula milk with or without IGF1 or bovine colostrum supplementation for 4 months, and a fourth group consisting of breast-fed infants was included for comparison (n=6 for each group)...
October 17, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29019855/bovine-colostrum-for-preterm-infants-in-the-first-days-of-life-a-randomized-controlled-pilot-trial
#7
Sandra Meinich Juhl, Xuqiang Ye, Ping Zhou, Yanqi Li, Elisabeth Omolabake Iyore, Lixia Zhang, Pingping Jiang, Johannes B van Goudoever, Gorm Greisen, Per Torp Sangild
OBJECTIVES: Mother's own milk (MM) is the best nutrition for newborn preterm infants, but is often limited in supply just after birth. Pasteurized human donor milk (DM), and especially preterm infant formula (IF) are less optimal diets than MM. We hypothesized that it is feasible to use bovine colostrum (BC), the first milk from cows, as a supplement to MM, during the first weeks after preterm birth. METHODS: In an open-label, randomized, controlled pilot safety trial, supplementation of MM with BC was compared with DM supplementation (Danish unit) or IF supplementation (Chinese unit)...
October 10, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28918156/exploration-of-the-bovine-colostrum-proteome-and-effects-of-heat-treatment-time-on-colostrum-protein-profile
#8
R Tacoma, S L Gelsinger, Y W Lam, R A Scuderi, D B Ebenstein, A J Heinrichs, S L Greenwood
Heat treatment of colostrum is performed on modern dairy farms to reduce pathogenic contamination before hand-feeding the colostrum to newborn calves; however, limited data are available concerning effects of heat treatment on biologically active proteins in colostrum. The objective of this exploratory study was to investigate effects of heat treatment and length of heat treatment on colostrum protein profile. Colostrum samples were collected from Holstein cows within 12 h after parturition and assigned to the following groups: heat treatment at 60°C for 0 (untreated control), 30, 60, or 90 min...
November 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28893529/passive-immunity-to-control-bovine-coronavirus-diarrhea-in-a-dairy-herd-in-argentina
#9
Marina Bok, Martín Alassia, Flavia Frank, Celina G Vega, Andrés Wigdorovitz, Viviana Parreño
Bovine coronavirus (BCoV) is a viral enteric pathogen associated with calf diarrhea worldwide being, in Argentina, mostly detected in dairy husbandry systems. The aim of the present work was to study if maternal IgG1 antibodies (Abs) to BCoV acquired by colostrum intake modulate the development of BCoV infection in calves reared in a dairy farm in Argentina. Thirty Holstein calves were monitored during their first 60 days of age. Animals were classified into two groups depending on their initial BCoV IgG1 Ab titers...
September 8, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28806296/the-risk-of-necrotizing-enterocolitis-differs-among-preterm-pigs-fed-formulas-with-either-lactose-or-maltodextrin
#10
Randal K Buddington, Samantha L Davis, Karyl K Buddington
OBJECTIVES: When breast milk is unavailable for preterm infants, formulas are needed that won't increase the risk of necrotizing enterocolitis (NEC). Adding novel ingredients to formula to reduce NEC has not been effective clinically. Instead, we tested the prediction that NEC can be reduced by removing the maltodextrin now included in preterm formulas. METHODS: The preterm pig model of spontaneous NEC was used to evaluate growth, health, and intestinal responses to 6-7 days of feeding formulas that were identical except for the source of carbohydrate; either 100% lactose or maltodextrin; colostrum was used as the control...
August 11, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28725021/bovine-milk-derived-exosomes-from-colostrum-are-enriched-with-proteins-implicated-in-immune-response-and-growth
#11
Monisha Samuel, David Chisanga, Michael Liem, Shivakumar Keerthikumar, Sushma Anand, Ching-Seng Ang, Christopher G Adda, Ellen Versteegen, Markandeya Jois, Suresh Mathivanan
Exosomes are extracellular vesicles secreted by multiple cell types into the extracellular space. They contain cell-state specific cargos which often reflects the (patho)physiological condition of the cells/organism. Milk contains high amounts of exosomes and it is unclear whether their cargo is altered based on the lactation stage of the organism. Here, we isolated exosomes from bovine milk that were obtained at various stages of lactation and examined the content by quantitative proteomics. Exosomes were isolated by OptiPrep density gradient centrifugation from milk obtained from cow after 24, 48 and 72 h post calving...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28702050/circulating-micrornas-in-serum-from-cattle-challenged-with-bovine-viral-diarrhea-virus
#12
Tasia M Taxis, Fernando V Bauermann, Julia F Ridpath, Eduardo Casas
Bovine viral diarrhea virus (BVDV) is an RNA virus that is often associated with respiratory disease in cattle. MicroRNAs have been proposed as indicators of exposure to respiratory pathogens. The objective of this study was to identify microRNAs in cattle that had been challenged with a non-cytopathic field strain of BVDV. Five colostrum deprived neonate Holstein calves were inoculated with BVDV (challenged) and 4 were mock challenged (control). Serum from all calves was collected at four different times: prior to challenge (day 0) and at 4, 9, and 16 days post-challenge...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28691242/bovine-colostrum-enriched-with-lyophilized-bovine-colostrum-stimulates-intestinal-epithelium-renewal-of-holstein-calves-in-the-first-days-of-life
#13
L Kindlein, D B Moretti, P Pauletti, A R Bagaldo, A P O Rodrigues, R Machado-Neto
Consumption of a second meal of colostrum with high quality could contribute to the intestinal epithelium development, especially if there is poor supply of colostrum just after birth. The effect of a second colostrum meal was evaluated on histomorphometry of the intestinal mucosa of newborn Holstein calves fed with high- and low-quality first colostrum. Seventy-two calves were fed with a first colostrum meal with high (HFM, close to 100 mg/ml) or low (LFM, close to 30 mg/ml) IgG concentration. At 12 hr of life, three treatments of second colostrum feeding were applied to the calves either fed high or low first colostrum: calves fed with low (LOW-close to 30 mg/ml) or high (HIGH-close to 100 mg/ml) IgG concentration; and colostrum enriched with lyophilized bovine colostrum with high IgG concentration (ENRICHED-higher than 120 mg/ml), resulting in six groups...
July 10, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28678850/herd-level-animal-management-factors-associated-with-the-occurrence-of-bovine-neonatal-pancytopenia-in-calves-in-a-multi-country-study
#14
Carola Sauter-Louis, Bryony A Jones, Jörg Henning, Alexander Stoll, Mirjam Nielen, Gerdien Van Schaik, Anja Smolenaars, Matthijs Schouten, Ingrid den Uijl, Christine Fourichon, Raphael Guatteo, Aurélien Madouasse, Simon Nusinovici, Piet Deprez, Sarne De Vliegher, Jozef Laureyns, Richard Booth, Jacqueline M Cardwell, Dirk U Pfeiffer
Since 2007, mortality associated with a previously unreported haemorrhagic disease has been observed in young calves in several European countries. The syndrome, which has been named 'bovine neonatal pancytopenia' (BNP), is characterised by thrombocytopenia, leukocytopenia and a panmyelophthisis. A herd-level case-control study was conducted in four BNP affected countries (Belgium, France, Germany and the Netherlands) to identify herd management risk factors for BNP occurrence. Data were collected using structured face-to-face and telephone interviews of farm managers and their local veterinarians...
2017: PloS One
https://www.readbyqxmd.com/read/28658720/enteral-lactoferrin-supplementation-for-prevention-of-sepsis-and-necrotizing-enterocolitis-in-preterm-infants
#15
REVIEW
Mohan Pammi, Gautham Suresh
BACKGROUND: Lactoferrin, a normal component of human colostrum and milk, can enhance host defenses and may be effective for prevention of sepsis and necrotizing enterocolitis (NEC) in preterm neonates. OBJECTIVES: Primary objective 1. To assess the safety and effectiveness of lactoferrin supplementation to enteral feeds for prevention of sepsis and NEC in preterm neonates Secondary objectives 1. To determine the effects of lactoferrin supplementation to enteral feeds to prevent neonatal sepsis and/or NEC on duration of positive-pressure ventilation, development of chronic lung disease (CLD) or periventricular leukomalacia (PVL), length of hospital stay to discharge among survivors, and adverse neurological outcomes at two years of age or later2...
June 28, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28653977/exploitation-of-spr-to-investigate-the-importance-of-glycan-chains-in-the-interaction-between-lactoferrin-and-bacteria
#16
Noelle O'Riordan, Michelle Kilcoyne, Lokesh Joshi, Rita M Hickey
Bovine lactoferrin (LF) has been shown to prevent adhesion to and invasion of mammalian cell lines by pathogenic bacteria, with evidence for direct bacterial binding by the milk glycoprotein. However, the glycosylation pattern of LF changes over the lactation cycle. In this study, we aim to investigate the effect that this variation has on the milk glycoprotein's ability to interact with pathogens. Surface plasmon resonance technology was employed to compare the binding of LF from colostrum (early lactation) and mature milk (late lactation) to a panel of pathogenic bacteria (Staphylococcus aureus, Escherichia coli, Cronobacter sakazakii, Streptococcus pneumoniae, Pseudomonas aeruginosa, Listeria monocytogenes and Salmonella typhimurium)...
June 27, 2017: Sensors
https://www.readbyqxmd.com/read/28653384/in-this-issue-july-2017-rhdv-vaccine-protects-against-both-strains-of-virus-%C3%A2-%C3%A2-%C3%A2-olfactory-neuroblastoma-in-a-malamute-%C3%A2-%C3%A2-%C3%A2-coincidental-conditions-affecting-dysphagia-in-a-miniature-poodle-%C3%A2-%C3%A2-%C3%A2-support-for-storing-high-quality-bovine-colostrum-%C3%A2-%C3%A2-%C3%A2-sarcoptic
#17
EDITORIAL
https://www.readbyqxmd.com/read/28652648/role-of-ph-in-the-recovery-of-bovine-milk-oligosaccharides-from-colostrum-whey-permeate-by-nanofiltration
#18
Joshua L Cohen, Daniela Barile, Yan Liu, Juliana M L N de Moura Bell
Milk oligosaccharides are associated with improved health outcomes in infants. Nanofiltration (NF) is used for isolation of bovine milk oligosaccharides (BMO). The study aim was to improve the recovery of BMO from lactose-hydrolyzed colostrum whey permeate. The retention factors of carbohydrates at various pH and transmembrane pressures were determined for a nanofiltration membrane, which was used at pilot scale to purify BMO. Carbohydrates were quantified by liquid chromatography and characterized using nano-LC-Chip-QToF mass spectrometry...
March 2017: International Dairy Journal
https://www.readbyqxmd.com/read/28637804/bioactive-immune-components-of-anti-diarrheagenic-enterotoxigenic-escherichia-coli-hyperimmune-bovine-colostrum-products
#19
Khandra T Sears, Sharon M Tennant, Mardi K Reymann, Raphael Simon, Nicky Konstantopoulos, William C Blackwelder, Eileen M Barry, Marcela F Pasetti
Diarrhea is a common illness among travelers to resource-limited countries, the most prevalent attributable agent being enterotoxigenic Escherichia coli (ETEC). At this time, there are no vaccines licensed specifically for the prevention of ETEC-induced traveler's diarrhea (TD), and this has propelled investigation of alternative preventive methods. Colostrum, the first milk expressed after birthing, is rich in immunoglobulins and innate immune components for protection of newborns against infectious agents...
August 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28623367/bovine-antibodies-targeting-primary-and-recurrent-clostridium-difficile-disease-are-a-potent-antibiotic-alternative
#20
Melanie L Hutton, Bliss A Cunningham, Kate E Mackin, Shelley A Lyon, Meagan L James, Julian I Rood, Dena Lyras
The increased incidence of antibiotic resistant 'superbugs' has amplified the use of broad spectrum antibiotics worldwide. An unintended consequence of antimicrobial treatment is disruption of the gastrointestinal microbiota, resulting in susceptibility to opportunistic pathogens, such as Clostridium difficile. Paradoxically, treatment of C. difficile infections (CDI) also involves antibiotic use, leaving patients susceptible to re-infection. This serious health threat has led to an urgent call for the development of new therapeutics to reduce or replace the use of antibiotics to treat bacterial infections...
June 16, 2017: Scientific Reports
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