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Colostrum

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https://www.readbyqxmd.com/read/28727121/supplementing-newborn-intrauterine-growth-restricted-piglets-with-a-bolus-of-porcine-colostrum-raises-rectal-temperatures-one-degree-celsius
#1
C Amdi, L L Jensen, N Oksbjerg, C F Hansen
Hyperprolific sows have increased litter sizes but also result in more piglets that have been exposed to intrauterine growth restriction (IUGR). These IUGR piglets are likely to have a low rectal temperature and lower blood glucose levels compared with normal piglets at birth. Therefore, we hypothesized that a colostrum bolus at birth and/or heat from an external source would have a positive effect on blood glucose levels, rectal temperatures, and growth up to 8 h postpartum. In addition, liver glycogen and blood values at 8 h were investigated...
July 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727057/effects-of-feeding-pregnant-beef-cows-selenium-enriched-alfalfa-hay-on-selenium-status-and-antibody-titers-in-their-newborn-calves
#2
L G Wallace, G Bobe, W R Vorachek, B P Dolan, C T Estill, G J Pirelli, J A Hall
In newborn dairy calves, it has been demonstrated that supranutritional maternal and colostral Se supplementation using Se yeast or sodium selenite, respectively, improves passive transfer of IgG. In beef cattle, agronomic biofortification with Se is a more practical alternative for Se supplementation, whereby the Se concentration of hay is increased through the use of Se-containing fertilizer amendments. It has been previously demonstrated that agronomic Se biofortification is an effective strategy to improve immunity and performance in Se-replete weaned beef calves...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727031/mammary-nutrient-uptake-in-multiparous-sows-fed-supplementary-arginine-during-gestation-and-lactation
#3
U Krogh, N Oksbjerg, A C Storm, T Feyera, P K Theil
Arginine is the precursor for the synthesis of nitric oxide and may increase mammary plasma flow (MPF), which may in turn increase mammary nutrient uptake. Quantifying mammary nutrient uptake improves our understanding of mammary nutrient metabolism and may potentially allow identification of limiting nutrients for colostrum and milk production. Thus, the objectives of the present study were 1) to study the impact of 25 g/d of crystalline Arg (ARG) on MPF and uptake of nutrients by the mammary glands compared with an isonitrogenous supply of Ala (51 g/d; control [CON]) fed to a total of 8 sows from d 30 of gestation until weaning on d 28 of lactation and 2) to quantify mammary nutrient uptake in late gestation and in early and at peak lactation...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727004/physiology-and-endocrinology-symposium-postnatal-reproductive-development-and-the-lactocrine-hypothesis
#4
F F Bartol, A A Wiley, A F George, D J Miller, C A Bagnell
Maternal effects on development can program cell fate and dictate offspring phenotype. Such effects do not end at birth, but extend into postnatal life through signals communicated from mother to offspring in first milk (colostrum). Transmission of bioactive factors from mother to offspring as a specific consequence of nursing defines a lactocrine mechanism. The female reproductive tract is not fully formed at birth (postnatal day = PND 0). Data for ungulates and mice indicate that disruption of development during neonatal life can have lasting effects on the form and function of uterine tissues...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726512/human-milk-oligosaccharide-categories-define-the-microbiota-composition-in-human-colostrum
#5
J Aakko, H Kumar, S Rautava, A Wise, C Autran, L Bode, E Isolauri, S Salminen
Human milk oligosaccharides (HMOs) are structurally diverse unconjugated glycans with a composition unique to each lactating mother. While HMOs have been shown to have an impact on the development of infant gut microbiota, it is not well known if HMOs also already affect milk microbial composition. To address this question, we analysed eleven colostrum samples for HMO content by high-pressure liquid chromatography and microbiota composition by quantitative PCR. Higher total HMO concentration was associated with higher counts of Bifidobacterium spp...
July 20, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28725106/development-of-porcine-circovirus-2-pcv2-open-reading-frame-2-dna-vaccine-with-different-adjuvants-and-comparison-with-commercial-pcv2-subunit-vaccine-in-an-experimental-challenge
#6
Changhoon Park, Jiwoon Jeong, Kyuhyung Choi, Su-Jin Park, Ikjae Kang, Chanhee Chae
The objective of this study was to compare the protection against challenge with porcine circovirus 2 (PCV2) induced by an experimental vaccine based on open reading frame (ORF) 2 of PCV2 DNA plus an adjuvant (aluminum hydroxide, cobalt oxide, or liposome) and a commercial PCV2 subunit vaccine. A total of 35 colostrum-fed, cross-bred, conventional piglets were randomly divided into 7 groups. The commercial vaccine was more efficacious against PCV2 challenge than the 4 experimental vaccines according to immunologic, virologic, and pathological outcomes...
July 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28725021/bovine-milk-derived-exosomes-from-colostrum-are-enriched-with-proteins-implicated-in-immune-response-and-growth
#7
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/28720151/supplementation-with-lactobacillus-paracasei-or-pediococcus-pentosaceus-does-not-prevent-diarrhoea-in-neonatal-pigs-infected-with-escherichia-coli-f18
#8
Anders D Andersen, Malene S Cilieborg, Charlotte Lauridsen, Anne Louise Mørkbak, Per Torp Sangild
Infectious diarrhoea is a worldwide problem in newborns. Optimal bacterial colonisation may enhance gut maturation and protect against pathogenic bacteria after birth. We hypothesised that lactic acid bacteria (LAB) administration prevents pathogen-induced diarrhoea in formula-fed newborns. Newborn caesarean-delivered, colostrum-deprived term piglets on parenteral nutrition for the first 15 h, were used as models for sensitive newborn infants. A commercially available probiotic strain, Lactobacillus paracasei F19 (LAP, 2·6×108 colony-forming units (CFU)/kg per d) and a novel LAB isolate, Pediococcus pentosaceus (PEP, 1·3×1010 CFU/kg per d), were administered for 5 d with or without inoculation of the porcine pathogen, Escherichia coli F18 (F18, 1010 CFU/d)...
July 19, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28712263/effects-of-colostrum-serum-on-the-serotonergic-system-in-the-dorsal-raphe-nuclei-of-exercised-rats
#9
Tae-Woon Kim, Chang-Ju Kim, Jinhee Seo
PURPOSE: The central fatigue hypothesis suggests that exhaustion, or the maximum level of exercise, induces excessive stress and increases serotonin concentrations in the brain, which in turn decreases central nervous system (CNS) function and induces fatigue. Our aim was to determine the effects of colostrum serum on the serotonergic system in the dorsal raphe nuclei during exhaustive exercise. METHODS: Animals were randomly divided into five groups: control, exercise, exercise and treatment with 50, 100, and 200 mg/kg of colostrum serum...
March 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28702050/circulating-micrornas-in-serum-from-cattle-challenged-with-bovine-viral-diarrhea-virus
#10
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/28698455/development-of-polioencephalomyelitis-in-cesarean-derived-colostrum-deprived-pigs-following-experimental-inoculation-with-either-teschovirus-a-serotype-2-or-serotype-11
#11
Franco Matias Ferreyra, Bailey Arruda, Gregory Stevenson, Kent Schwartz, Darin Madson, Kyoung-Jin Yoon, Jianqiang Zhang, Pablo Piñeyro, Qi Chen, Paulo Arruda
Teschovirus encephalomyelitis is a sporadic disease associated with Teschovirus A (PTV) serotype 1 and, less frequently, other serotypes. In recent years, the number of cases submitted to the Iowa State University Veterinary Diagnostic Laboratory with a history of posterior paresis has increased. Submission histories from various regions of the United States suggest a trend for clinical disease to persist in herds and affect a wider age-range of pigs than historically reported. Polioencephalitis and/or myelitis was consistently present and PTV was detected in affected neural tissue by PCR in a portion of cases...
July 8, 2017: Viruses
https://www.readbyqxmd.com/read/28691424/an-animal-model-of-the-procognitive-properties-of-cysteine-protease-inhibitor-and-immunomodulatory-peptides-based-on-colostrum
#12
Bartłomiej Stańczykiewicz, Marta Jakubik-Witkowska, Antoni Polanowski, Tadeusz Trziszka, Joanna Rymaszewska
BACKGROUND: The positive effect of human cystatin C on the development of Alzheimer's disease has been reported, as it inhibits the formation of β-amyloid oligomers and amyloidogenesis. Cystatin C has been found to have a neuroprotective effect through inhibiting cysteine proteases, inducing autophagy and neurogenesis. There is a growing interest in the procognitive properties of colostrum-based specimens, which could delay dementia and ameliorate memory deterioration. OBJECTIVES: The aim of the study was to evaluate the influence of Ovocystatin and a Coloco peptide complex on the cognitive functions in reference to Colostrinin, using a model of young and old rats...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
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/28687146/intravenous-dexmedetomidine-for-cesarean-delivery-and-its-concentration-in-colostrum
#14
M Yoshimura, T Kunisawa, M Suno, A Sugawara, A Kurosawa, R Nakanishi, K Aoki, T Toriumi
BACKGROUND: Dexmedetomidine is a sedative agent with high α2-adrenoreceptor selectivity. We investigated intravenous Dexmedetomidine administration during scheduled cesarean delivery under neuraxial anesthesia; and concentration in the colostrum. METHODS: Twenty-seven participants having elective cesarean delivery under combined spinal-epidural anesthesia were enrolled. After delivery and cord clamping, 6μg/kg/h of intravenous dexmedetomidine was administered for 10minutes, followed by a dose of 0...
May 10, 2017: International Journal of Obstetric Anesthesia
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
#15
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/28668531/short-communication-neonatal-calves-coagulate-first-milking-colostrum-and-produce-a-large-curd-for-efficient-absorption-of-immunoglobulins-after-first-ingestion
#16
T Miyazaki, K Okada, M Miyazaki
Calves are fed milk and milk replacer for their growth until approximately 2 mo after birth. During this period, their abomasa produce curd and whey from milk. It has been thought that curd formation is important for digestion and absorption of milk nutrients and immune substances in calves. However, no study has been done observing abomasal contents in neonatal calves after first ingestion of first milking colostrum. Here we report curd formation in neonatal calves and its physiological function with a focus on immunoglobulin absorption...
June 28, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28658720/enteral-lactoferrin-supplementation-for-prevention-of-sepsis-and-necrotizing-enterocolitis-in-preterm-infants
#17
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/28658291/importance-of-neonatal-immunoglobulin-transfer-for-hippocampal-development-and-behaviour-in-the-newborn-pig
#18
Kateryna Goncharova, Liudmyla Lozinska, Ester Arevalo Sureda, Jarosław Woliński, Björn Weström, Stefan Pierzynowski
Neurological disorders are among the main clinical problems affecting preterm children and often result in the development of communication and learning disabilities later in life. Several factors are of importance for brain development, however the role of immunoglobulins (passive immunity transfer) has not yet been investigated. Piglets are born agammaglobulinemic, as a result of the lack of transfer of maternal immunoglobulins in utero, thus, they serve as an ideal model to mimic the condition of immunoglobulin deficiency in preterm infants...
2017: PloS One
https://www.readbyqxmd.com/read/28653977/exploitation-of-spr-to-investigate-the-importance-of-glycan-chains-in-the-interaction-between-lactoferrin-and-bacteria
#19
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/28653388/factors-associated-with-colostrum-immunoglobulin-g-concentration-in-northern-victorian-dairy-cows
#20
A J Phipps, D S Beggs, A J Murray, P D Mansell, M F Pyman
OBJECTIVES: To determine the proportion of first-milking colostrum samples produced on four northern-Victorian dairy farms that meet industry standards in terms of immunoglobulin G (IgG) concentration and to identify risk factors that affect colostrum quality. METHODS: Colostrum IgG concentrations from 442 dairy cows on four farms were estimated using a Brix refractometer and risk factors for colostrum IgG concentration were determined using multivariable logistic regression...
July 2017: Australian Veterinary Journal
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