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Cows milk

M Ebrahimi, M Gharagozlou, A Khalili, K Magaji Hamid, G Azizi, M Movahedi
No abstract text is available yet for this article.
October 2016: Journal of Investigational Allergology & Clinical Immunology
P Poza-Guedes, Y Barrios, R González Pérez, I Sánchez-Machín, A Franco, V Matheu
No abstract text is available yet for this article.
October 2016: Journal of Investigational Allergology & Clinical Immunology
Rajib Deb, Gyanendra Singh Sengar, Umesh Singh, Sushil Kumar, R R Alyethodi, Rani Alex, T V Raja, A K Das, B Prakash
Loop-mediated isothermal amplification (LAMP) is a diagnostic method for amplification of DNA with rapid and minimal equipment requirement. In the present study, we applied the LAMP assay for rapid detection of cow components adulteration in buffalo milk/meat samples. The test can be completed within around 1 h 40 min starting from DNA extraction and can be performed in water bath without requirement of thermocycler. The cow DNA in buffalo samples were identified in the developed LAMP assay by either visualizing with SYBR Green I/HNB dyes or observing the typical ladder pattern on gel electrophoresis...
October 19, 2016: Molecular Biotechnology
Xing Ke, Jingshun Zhang, Shiyun Lai, Qi Chen, Yu Zhang, Yirong Jiang, Weimin Mo, Yiping Ren
The aim of the study was to develop a method for quantification of cow's whey and whole milk powder in goat or sheep milk products including infant formula. A ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was established for simultaneous quantification of four caseins and two major whey proteins by detecting their signature peptides, which were able to act as markers for differentiating goat or sheep from cow whey and whole milk powder in infant formulas. The signature peptides were screened based on the computational prediction by Biolynx software, and confirmed by database searching after analysis of liquid chromatography-quadrupole-time-of-flight tandem mass spectrometry (LC-Q-TOF-MS)...
October 19, 2016: Analytical and Bioanalytical Chemistry
Hanne Gro Olsen, Tim Martin Knutsen, Anna M Lewandowska-Sabat, Harald Grove, Torfinn Nome, Morten Svendsen, Mariann Arnyasi, Marte Sodeland, Kristil K Sundsaasen, Sandra Rinne Dahl, Bjørg Heringstad, Hanne H Hansen, Ingrid Olsaker, Matthew Peter Kent, Sigbjørn Lien
BACKGROUND: Clinical mastitis is an inflammation of the mammary gland and causes significant costs to dairy production. It is unfavourably genetically correlated to milk production, and, thus, knowledge of the mechanisms that underlie these traits would be valuable to improve both of them simultaneously through breeding. A quantitative trait locus (QTL) that affects both clinical mastitis and milk production has recently been fine-mapped to around 89 Mb on bovine chromosome 6 (BTA6), but identification of the gene that underlies this QTL was not possible due to the strong linkage disequilibrium between single nucleotide polymorphisms (SNPs) within this region...
October 19, 2016: Genetics, Selection, Evolution: GSE
T Banach, M Bochniarz, P Łyp, Ł Adaszek, W Wawron, B Furmaga, M Skrzypczak, J Ziętek, S Winiarczyk
The aim of this study was to use matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) for the identification of coagulase-negative staphylococci (CNS) isolated from the milk of cows with subclinical mastitis. The study material consisted of 33 isolates of CNS, identified by the results of API Staph tests, obtained from the milk of cows with subclinical mastitis. Based on the spectra analyses, MALDI-TOF MS tests of 33 bacterial samples allowed identification of the microorganisms in 27 cases (81...
September 1, 2016: Polish Journal of Veterinary Sciences
Chenyi Cai, Min Kuang, Xiling Chen, Hao Wu, Hongtao Ge, Gengfeng Zheng
The development of efficient and robust electrocatalyst has been the central of the solar water splitting-based hydrogen fuel acquisition. In this work, we reported the use of cow milk, with addition of tetraethyl orthosilicate (TEOS) and melamine, for the synthesis of nitrogen-doped mesoporous carbon microspheres. Due to the large surface and enhanced charge transport behavior, the obtained samples enabled low overpotentials and a small Tafel slope toward oxygen evolution reaction, which were close or comparable to the best OER catalysts of carbon materials reported previously...
October 12, 2016: Journal of Colloid and Interface Science
Giuseppe Crippa, Dorjan Zabzuni, Elena Bravi, Filippo Rossi
OBJECTIVE: Present data refers to a randomized, double-blind, placebo-controlled, cross-over study in which 30 mild-moderate hypertensive patients, received a dietary integration with Grana Padano DOP cheese to evaluate blood pressure (BP) changes.Cow-milk fermentation induced by Lactobacillus helveticus produces peptides with sustained ACE inhibitory activity, mainly dues to 2 tripeptides (valyl-prolyl-proline and isoleucil-prolyl-proline) that have shown to lower blood pressure (BP) in experimental animals and in humans...
September 2016: Journal of Hypertension
Carina Venter, Kate Maslin, Taraneh Dean, Syed Hasan Arshad
The timing of introduction of solid food on the subsequent development of food allergy is under debate and the role of concurrent breastfeeding is unclear. The aim of the present study was to investigate the role of solid food introduction whilst concurrently breastfeeding on food allergy outcome, with a specific focus on cows' milk allergy. Prospectively collected infant feeding data from a birth cohort were analysed. Participants with histories suggestive of food allergy underwent diagnostic food challenges...
2016: Journal of Nutritional Science
Delphine Vincent, Aaron Elkins, Mark R Condina, Vilnis Ezernieks, Simone Rochfort
Cow's milk is an important source of proteins in human nutrition. On average, cow's milk contains 3.5% protein. The most abundant proteins in bovine milk are caseins and some of the whey proteins, namely beta-lactoglobulin, alpha-lactalbumin, and serum albumin. A number of allelic variants and post-translationally modified forms of these proteins have been identified. Their occurrence varies with breed, individuality, stage of lactation, and health and nutritional status of the animal. It is therefore essential to have reliable methods of detection and quantitation of these proteins...
2016: PloS One
G Klop, S van Laar-van Schuppen, W F Pellikaan, W H Hendriks, A Bannink, J Dijkstra
The adaptation of dairy cows to methane (CH4)-mitigating feed additives was evaluated using the in vitro gas production (GP) technique. Nine rumen-fistulated lactating Holstein cows were grouped into three blocks and within blocks randomly assigned to one of three experimental diets: Control (CON; no feed additive), Agolin Ruminant® (AR; 0.05 g/kg dry matter (DM)) or lauric acid (LA; 30 g/kg DM). Total mixed rations composed of maize silage, grass silage and concentrate were fed in a 40 : 30 : 30 ratio on DM basis...
October 17, 2016: Animal: An International Journal of Animal Bioscience
Isabelle Dm Gangnat, Pierre-Alain Dufey, Paolo Silacci, Jessika Messadene-Chelali, Michael Kreuzer, Joel Berard
BACKGROUND: Compared to weaned calves, nursed calves benefit from access to milk as nutrient-dense feed and mentoring by their dams. Both may be decisive for growth under difficult conditions such as grazing on alpine pastures, where experience will play an essential role. These factors were investigated separately by comparing nursed calves with calves weaned at 3 months of age and grazing with or without mentor cow (n = 8 calves). RESULTS: Weaned calves with mentor cows spent less time lying and walked more than nursed calves...
October 17, 2016: Journal of the Science of Food and Agriculture
Pernille Henriksen, Malene Landbo Børresen, Kathrin Dahl
Food protein-induced enterocolitis syndrome (FPIES) is a rare non-IgE mediated condition. Symptoms of acute FPIES include vomiting, diarrhoea and dehydration. Symptoms are often misread as acute abdomen or sepsis. The condition can be fatal. There are no biomarkers for FPIES, and skin prick test for cow milk is often negative. Treatment is hydrolysed formula milk. This case story describes a one-month-old boy with diarrhoea and an output of up till 2.3 l per day. With this case story we wish to increase the knowledge of FPIES and emphasize the importance of having the diagnosis in mind when confronted with the very ill, dehydrated infant...
October 10, 2016: Ugeskrift for Laeger
Corwin D Nelson, John D Lippolis, Timothy A Reinhardt, Randy E Sacco, Jessi L Powell, Mary E Drewnoski, Matthew O'Neil, Donald C Beitz, William P Weiss
The need for vitamin D supplementation of dairy cattle has been known for the better part of the last century and is well appreciated by dairy producers and nutritionists. Whether current recommendations and practices for supplemental vitamin D are meeting the needs of dairy cattle, however, is not well known. The vitamin D status of animals is reliably indicated by the concentration of the 25-hydroxyvitamin D [25(OH)D] metabolite in serum or plasma, with a concentration of 30 ng/mL proposed as a lower threshold for sufficiency...
October 13, 2016: Journal of Dairy Science
M X Rodrigues, S F Lima, C H Higgins, S G Canniatti-Brazaca, R C Bicalho
The bacterium Lactococcus lactis is widely used in food production and in medical applications, and is considered safe for human and animal use. However, studies have also linked Lactococcus bacteria to infection. For example, certain variants of Lactococcus species have been associated with bovine mastitis (e.g., Lactococcus lactis and Lactococcus garvieae). In this study, we investigated an outbreak of bovine mastitis thought to be associated with Lactococcus bacteria by using microbiological and molecular techniques...
October 13, 2016: Journal of Dairy Science
A Palmonari, G Canestrari, M Fustini, E Bonfante, L Mammi, A Formigoni
In vitro methods requiring ruminal microorganisms to ferment and digest feeds have been used for decades. Though commonly accepted, collecting and pooling rumen fluid from different donor animals to avoid individual characteristics could affect in vitro fermentations. The current study evaluated the effects of individual or pooled liquors on in vitro digestibility of amylase- and sodium sulfite-treated NDF with ash correction (aNDFom). The study was conducted on 24 samples (8 alfalfa hays, 8 grass hays, and 8 corn silages)...
October 13, 2016: Journal of Dairy Science
F C Ferreira, R S Gennari, G E Dahl, A De Vries
Heat stress during the dry period reduces milk yield in the subsequent lactation of dairy cows. Our objectives were to quantify the economic losses due to heat stress if dry cows are not cooled and to evaluate the economic feasibility of dry cow cooling. We used weather data from the National Oceanic and Atmospheric Administration to calculate the number of heat stress days for each of the 50 US states. A heat stress day was declared when the daily average temperature-humidity index was ≥68. The number of dairy cows in each state in 2015 was obtained from the USDA-National Agricultural Statistics Service...
October 13, 2016: Journal of Dairy Science
S Ollier, F Beaudoin, N Vanacker, P Lacasse
When cows are unable to consume enough feed to support milk production, they often fall into severe negative energy balance. This leads to a weakened immune system and increases their susceptibility to infectious diseases. Reducing the milk production of cows subjected to acute nutritional stress decreases their energy deficit. The aim of this study was to compare the effects on metabolism and immune function of reducing milk production using quinagolide (a prolactin-release inhibitor) or dexamethasone in feed-restricted cows...
October 13, 2016: Journal of Dairy Science
Rut Anne Thomassen, Janne Anita Kvammen, Mari Borge Eskerud, Pétur Benedikt Júlíusson, Christine Henriksen, Jarle Rugtveit
OBJECTIVES: To investigate iodine status and growth in cow's milk protein allergic infants and to identify potential predictors of iodine status and growth. METHODS: Fifty-seven infants under two years of age were included in an observational cross-sectional study. Two spot urine samples were collected and analysed for iodine, together with a three-day food record and a food frequency questionnaire. Urine iodine concentrations were compared to the WHO cut-off values for iodine deficiency...
October 12, 2016: Journal of Pediatric Gastroenterology and Nutrition
Yvan Vandenplas, Muath Abdurrahman Alturaiki, Wafaa Al-Qabandi, Fawaz AlRefaee, Ziad Bassil, Bassam Eid, Ahmed El Beleidy, Ali Ibrahim Almehaidib, Pierre Mouawad, Maroun Sokhn
This paper covers algorithms for the management of regurgitation, constipation and infantile colic in infants. Anti-regurgitation formula may be considered in infants with troublesome regurgitation, while diagnostic investigations or drug therapy are not indicated in the absence of warning signs. Although probiotics have shown some positive evidence for the management of functional gastrointestinal disorders (FGIDs), the evidence is not strong enough to make a recommendation. A partially hydrolyzed infant formula with prebiotics and β-palmitate may be considered as a dietary intervention for functional constipation in formula fed infants...
September 2016: Pediatric Gastroenterology, Hepatology & Nutrition
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