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bovine colostrum

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https://www.readbyqxmd.com/read/29280196/effect-of-heat-treatment-on-accuracy-of-infrared-spectroscopy-and-digital-and-optical-brix-refractometers-for-measuring-immunoglobulin-g-concentration-in-bovine-colostrum
#1
I Elsohaby, J T McClure, N Dow, G P Keefe
BACKGROUND: Heat-treatment of colostrum is a method developed to reduce calf exposure to pathogens. Infrared (IR) spectroscopy and Brix refractometers can be used for measuring colostral IgG concentration and assessing colostrum quality. OBJECTIVES: To determine the impact of heat-treatment on accuracy of IR spectroscopy and Brix refractometers for measuring colostral IgG concentration and assessing colostrum quality before and after heat-treatment. ANIMALS: A total of 60 Holstein dairy cows on 8 commercial dairy farms...
December 27, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29274034/the-effects-of-bovine-colostrum-supplementation-on-in-vivo-immunity-following-prolonged-exercise-a-randomised-controlled-trial
#2
A W Jones, D S March, R Thatcher, B Diment, N P Walsh, Glen Davison
BACKGROUND: Bovine colostrum (COL) has been advocated as a nutritional countermeasure to exercise-induced immune dysfunction, but there is a lack of research with clinically relevant in vivo measures. AIM: To investigate the effects of COL supplementation on in vivo immunity following prolonged exercise using experimental contact hypersensitivity (CHS) with the novel antigen diphenylcyclopropenone (DPCP). METHODS: In a double-blind design, 31 men were randomly assigned to COL (20 g/day) or placebo (PLA) for 58 days...
December 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29259822/efficacy-of-a-bovine-colostrum-and-egg-based-intervention-in-acute-childhood-diarrhoea-in-guatemala-a-randomised-double-blind-placebo-controlled-trial
#3
James T Gaensbauer, Mario A Melgar, Diva M Calvimontes, Molly M Lamb, Edwin J Asturias, Ingrid L Contreras-Roldan, Samuel R Dominguez, Christine C Robinson, Stephen Berman
Background: Treatments for paediatric diarrhoeal disease are limited. We assessed the impact of a bovine colostrum and egg-based treatment designed to reduce diarrhoea duration through non-specific and pathogen-directed mechanisms in children. Methods: Randomised, double-blind, placebo-controlled trial of PTM202, derived from bovine colostrum and hyperimmune hen's egg on the duration of acute diarrhoeal disease in Guatemalan children. PTM202 contains specific immunoglobulins that target rotavirus, enterotoxigenic Escherichia coli, Shiga toxin-producing E...
2017: BMJ Global Health
https://www.readbyqxmd.com/read/29259784/prospective-cohort-study-to-assess-rates-of-contagious-disease-in-pre-weaned-uk-dairy-heifers-management-practices-passive-transfer-of-immunity-and-associated-calf-health
#4
Kate F Johnson, Natalie Chancellor, Charlotte C Burn, D Claire Wathes
Dairy calves are vulnerable to infectious diseases, particularly diarrhoea and bovine respiratory disease (BRD), causing mortality and reducing welfare and growth. A prospective cohort study was performed on 11 UK dairy farms to determine the underlying causes for calf disease. This first paper describes the incidence, timing and duration of infectious disease, mortality rates, passive transfer of immunity and key management practices that may contribute to disease incidence. Heifer calves were recruited in the first week of life (n=492) and a blood sample taken to measure IgG and total protein (TP)...
2017: Veterinary Record Open
https://www.readbyqxmd.com/read/29246780/comparison-of-two-indirect-elisa-coating-antigens-for-the-detection-of-dairy-cow-antibodies-against-pasteurella-multocida
#5
Pallop Tankaew, Wanwisa Srisawat, Tawatchai Singhla, Khajornsak Tragoolpua, Yasushi Kataoka, Takuo Sawada, Nattawooti Sthitmatee
The ELISA is recognized as an efficient diagnostic tool for antibody detection, but there is no standard ELISA assay for detection of antibodies against hemorrhagic septicemia (HS) in cattle. The present study reports on an indirect ELISA assay for antibody detection of HS in dairy cows, and evaluates the sensitivity (Se) and specificity (Sp) of the method using a Bayesian approach. An indirect ELISA was developed with two types of heat extract antigens, Pasteurella multocida strains P-1256 and M-1404, as coating antigens...
December 12, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/29231165/polyvalent-immunoglobulins-with-vitamin-d3-and-vitamin-b12-in-the-treatment-of-sjogren-s-syndrome-in-a-vegetarian-with-stomatitis-glossodynia-xerostomia-and-elevated-antinuclear-antibodies-case-report%C3%A2
#6
Clemens Cuny, Barbara Vaerst, Jennis Gabrielpillai, Aykut Tahtali, Sven Balster, Reinhard Lissner, Barry G Woodcock
BACKGROUND: Sjogren's syndrome, involving sicca symptoms with xerostomia, stomatitis, and considerable pain is a difficult-to-treat autoimmune disease where the treatment options are limited and, as in the case of methotrexate, have a low therapeutic index. CASE REPORT: This case report concerns a male patient, aged 75 years and vegetarian, with Sjogren's syndrome subsequently confirmed by salivary gland biopsy. Serum antinuclear antibodies (ANA) were elevated (1 : 320)...
December 12, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29217872/an-integrated-bioprocess-to-recover-bovine-milk-oligosaccharides-from-colostrum-whey-permeate
#7
Juliana M L N de Moura Bell, Joshua L Cohen, Leticia F M C de Aquino, Hyeyoung Lee, Vitor L de Melo Silva, Yan Liu, Paola Domizio, Daniela Barile
A major challenge in isolating oligosaccharides from dairy streams is to enrich oligosaccharides while simultaneously reducing the content of simple sugars (mono- and disaccharides) that do not possess the desired prebiotic functions. An integrated approach based on optimized conditions that favor maximum lactose hydrolysis, monosaccharide fermentation and oligosaccharides recovery by nanofiltration was developed. Upon complete lactose hydrolysis and fermentation of the monosaccharides by yeast, nanofiltration of fermented whey permeate from colostrum enabled the recovery of 95% of the oligosaccharides at high purity...
January 2018: Journal of Food Engineering
https://www.readbyqxmd.com/read/29147088/evaluation-and-characterization-of-milk-derived-microvescicle-isolated-from-bovine-colostrum
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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