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Cow milk protein

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https://www.readbyqxmd.com/read/29461665/children-with-cow-s-milk-allergy-following-an-elimination-diet-had-normal-growth-but-relatively-low-plasma-leptin-at-age-two
#1
Ping Dong, Jing-Jing Feng, Dong-Yong Yan, Yu-Jing Lyu, Xiu Xu
AIM: To assess nutrient intake, growth and nutritional status of infants with cow's milk allergy (CMA) who follow a therapeutic elimination diet since the first few months of life. METHODS: Sixty infants younger than 4 months of age with challenge-proven CMA and 60 healthy age-matched children were investigated. Anthropometric and body composition (BC) were assessed up to 24 months. Dietary intake was recorded by the parents for 3 consecutive days before visits at 6, 12, 18 and 24 months...
February 20, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29454702/c-c-motif-chemokine-ligand-2-induces-proliferation-and-prevents-lipopolysaccharide-induced-inflammatory-responses-in-bovine-mammary-epithelial-cells
#2
Changwon Yang, Whasun Lim, Hyocheol Bae, Fuller W Bazer, Gwonhwa Song
C-C motif chemokine ligand 2 (CCL2) is a small chemokine which belongs to the CC-type chemokine family, and has chemoattractant activity for recruitment of monocytes to sites of inflammation. Overexpressed CCL2 binding to its receptor C-C chemokine receptor 2 increases the risk of breast cancer in humans, but its effects on proliferation of bovine mammary epithelial cells is not known. Maintaining a high level of proliferative activity in bovine mammary epithelial cells during lactation is important for improving milk yield and can benefit the dairy industry economically...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454698/udder-health-of-dairy-cows-fed-different-dietary-energy-levels-after-a-short-or-no-dry-period-without-use-of-dry-cow-antibiotics
#3
R J van Hoeij, T J G M Lam, R M Bruckmaier, J Dijkstra, G J Remmelink, B Kemp, A T M van Knegsel
Reports on the effects of length of dry period (DP) on udder health of cows that were not treated with dry cow antibiotics are scarce. Additionally, the effects of a reduced dietary energy level for cows with a 0-d DP on udder health have not yet been studied. The aims of this study were (1) to compare effects of a 0-d or 30-d DP without use of dry cow antibiotics on udder health across the DP and subsequent lactation in dairy cows fed different dietary energy levels and (2) to evaluate associations between udder health and metabolic status of dairy cows...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29454687/bioeconomics-of-sexed-semen-utilization-in-a-high-producing-holstein-friesian-dairy-herd
#4
D J Cottle, M Wallace, P Lonergan, A G Fahey
A bioeconomic, stochastic spreadsheet model, that included calculation of the net present value of the additional value of all future descendants resulting from increased selection intensity, was developed to study the profitability of using sexed semen in a high input-high output dairy herd. Three management strategies were modeled: (1) only heifers inseminated with sex-sorted semen and cows inseminated with unsorted semen; (2) both heifers and cows inseminated with sex-sorted semen; and (3) a reference scenario, in which all breeding females were inseminated with unsorted semen...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29453751/effects-of-ewe-s-milk-yogurt-whole-and-semi-skimmed-and-cow-s-milk-yogurt-on-inflammation-markers-and-gut-microbiota-of-subjects-with-borderline-high-plasma-cholesterol-levels-a-crossover-study
#5
Noemí Redondo, Natalia García-González, Ligia E Diaz-Prieto, Begoña Olmedilla-Alonso, Ana B Martín-Diana, Carmen Asensio-Vegas, Esther Nova
PURPOSE: Ewe's milk yogurt is richer in proteins, minerals and short- and medium-chain fatty acids compared to cow's milk yogurt. We aimed to evaluate the effects of cow's milk yogurt (CW, 3.0% fat), semi-skimmed (ES, 2.8% fat) and whole ewe's milk yogurts (EW, 5.8% fat) on inflammatory markers and gut microbiota in subjects with borderline-high plasma cholesterol. METHODOLOGY: 30 adults (16 women) were randomized into a crossover study to consume 250 g/yogurt/day during three 5-week periods (4-week washouts)...
February 16, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29448169/molecular-spectroscopic-features-of-protein-in-newly-developed-chickpea-relationship-with-protein-chemical-profile-and-metabolism-in-the-rumen-and-intestine-of-dairy-cows
#6
Baoli Sun, Nazir Ahmad Khan, Peiqiang Yu
The first aim of this study was to investigate the nutritional value of crude protein (CP) in CDC [Crop Development Centre (CDC), University of Saskatchewan] chickpea varieties (Frontier kabuli and Corinne desi) in comparison with a CDC barley variety in terms of: 1) CP chemical profile and subfractions; (2) in situ rumen degradation kinetics and intestinal digestibility of CP; 2) metabolizable protein (MP) supply to dairy cows; and (3) protein molecular structure characteristics using advanced molecular spectroscopy...
February 6, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29445454/rumen-protected-methionine-during-the-peripartal-period-in-dairy-cows-and-its-effects-on-abundance-of-major-species-of-ruminal-bacteria
#7
Mohamed K Abdelmegeid, Ahmed A Elolimy, Zheng Zhou, Vincenzo Lopreiato, Joshua C McCann, Juan J Loor
Background: Extensive degradation of amino acids in the rumen via microbial deamination decreases the post-ruminal availability of dietary indispensable amino acids. Together with the normal decrease in voluntary dry matter intake (DMI) around parturition in dairy cows, microbial metabolism contributes to a markedly negative balance of indispensable amino acids, including methionine which may be the first-limiting for milk production. The main objective of the current study was to profile changes in major bacterial species with key functions in cellulose and hemicellulose digestion, xylan breakdown, proteolytic action, propionic acid production, lactate utilization and ruminal biohydrogenation in cows supplemented with rumen-protected Methionine (SM; Smartamine M, Adisseo NA, Alpharetta, GA, USA) from -23 through 30 d relative to parturition...
2018: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29437805/food-protein-induced-enterocolitis-syndrome-a-challenging-diagnosis
#8
Andreia Ribeiro, Diana Moreira, Cristina Costa, Isabel Pinto Pais
Food protein-induced enterocolitis syndrome (FPIES) is a non-IgE-mediated gastrointestinal food hypersensitivity triggered by food proteins. It may present acutely, with repetitive vomiting, diarrhoea and lethargy leading to dehydration and eventually shock or insidiously with intermittent emesis, chronic diarrhoea or failure to thrive. We describe a paediatric male patient with recurrent sepsis-like episodes of fever, lethargy, ashen-grey skin colouration and vomiting followed by diarrhoea. These episodes were triggered by cow's milk formula and grains...
February 8, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29435722/l-arginine-regulates-protein-turnover-in-porcine-mammary-epithelial-cells-to-enhance-milk-protein-synthesis
#9
Qingquan Ma, Shengdi Hu, Makoto Bannai, Guoyao Wu
Milk is an important food for mammalian neonates, but its insufficient production is a nutritional problem for humans and other animals. Recent studies indicate that dietary supplementation with L-arginine (Arg) increases milk production in mammals, including sows, rabbits, and cows. However, the underlying molecular mechanisms remain largely unknown. The present study was conducted with porcine mammary epithelial cells (PMECs) to test the hypothesis that Arg enhances milk protein synthesis via activation of the mechanistic target of rapamycin (mTOR) cell signaling...
February 12, 2018: Amino Acids
https://www.readbyqxmd.com/read/29434270/expression-and-replication-of-virus-like-circular-dna-in-human-cells
#10
Sebastian Eilebrecht, Agnes Hotz-Wagenblatt, Victor Sarachaga, Amelie Burk, Konstantina Falida, Deblina Chakraborty, Ekaterina Nikitina, Claudia Tessmer, Corinna Whitley, Charlotte Sauerland, Karin Gunst, Imke Grewe, Timo Bund
The consumption of bovine milk and meat is considered a risk factor for colon- and breast cancer formation, and milk consumption has also been implicated in an increased risk for developing Multiple Sclerosis (MS). A number of highly related virus-like DNAs have been recently isolated from bovine milk and sera and from a brain sample of a MS patient. As a genetic activity of these Acinetobacter-related bovine milk and meat factors (BMMFs) is unknown in eukaryotes, we analyzed their expression and replication potential in human HEK293TT cells...
February 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29428758/the-unfolded-protein-response-is-involved-in-both-differentiation-and-apoptosis-of-bovine-mammary-epithelial-cells
#11
Shinichi Yonekura, Megumi Tsuchiya, Yukako Tokutake, Moeko Mizusawa, Miwa Nakano, Makoto Miyaji, Hiroshi Ishizaki, Satoshi Haga
The unfolded protein response (UPR) describes a process involved in the homeostasis of endoplasmic reticulum (ER) and the differentiation of secretory cells. At present, the roles of UPR in the mammary gland tissue of dairy cattle are unknown. In the current study, we investigated the expression of UPR-related genes in Holstein cows during the developmental and lactating stages of the mammary gland tissue. To investigate the roles of UPR during the differentiation of mammary epithelial cells (MEC), we used MAC-T cells, a line of MEC...
February 7, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29428389/allergenicity-reduction-of-bovine-milk-%C3%AE-lactoglobulin-by-proteolytic-activity-of-lactococcus-lactis-bmc12c-and-bmc19h-isolated-from-iranian-dairy-products
#12
Rezvan Kazemi, Asghar Taheri-Kafrani, Ahmad Motahari, Reihane Kordesedehi
Nowadays health benefits of bioactive food constituents, known as probiotic microorganisms, are a growing awareness. Cow's milk is a nutritious food containing probiotic bacteria. However, milk allergenicity is one of the most common food allergies. The milk protein, β-lactoglobulin (BLG), is in about 80% of all main cases of milk allergies for children and infants. With the aim of screening proteolytic strains of lactic acid bacteria to evaluate their potential for the reduction of allergenicity of the major bovine milk proteins, we isolated new proteolytic strains of cocci lactic acid bacteria from traditional Iranian dairy products...
February 8, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29428005/effects-of-branched-chain-volatile-fatty-acids-on-lactation-performance-and-mrna-expression-of-genes-related-to-fatty-acid-synthesis-in-mammary-gland-of-dairy-cows
#13
Q Liu, C Wang, G Guo, W J Huo, S L Zhang, C X Pei, Y L Zhang, H Wang
Branched-chain volatile fatty acids (BCVFA) supplements could promote lactation performance and milk quality by improving ruminal fermentation and milk fatty acid synthesis. This study was conducted to evaluate the effects of BCVFA supplementation on milk performance, ruminal fermentation, nutrient digestibility and mRNA expression of genes related to fatty acid synthesis in mammary gland of dairy cows. A total of 36 multiparous Chinese Holstein cows averaging 606±4.7 kg of BW, 65±5.2 day in milk (DIM) with daily milk production of 30...
February 12, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29413493/supplementation-of-suckling-rats-with-cow-s-milk-induces-hyperphagia-and-higher-visceral-adiposity-in-females-at-adulthood-but-not-in-males
#14
Vanessa Silva Tavares Rodrigues, Egberto Gaspar Moura, Dayse Nascimento Bernardino, Janaine Cavalcanti Carvalho, Patricia Novaes Soares, Thamara Cherem Peixoto, Nayara Peixoto-Silva, Elaine Oliveira, Patricia Cristina Lisboa
In humans, complementary feeding should be started after 6 months-old; the introduction of any food or water before this time is considered early weaning, which is associated with health problems in adulthood. Cow's milk is a common food introduced to children less than 6 months that has inadequate nutritional composition mainly due to a worse casein: whey protein ratio compared to human milk. We hypothesized that suckling rats fed with cow's milk, rich in bioactive peptides, develop further metabolic dysfunctions...
December 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29408543/precision-medicine-in-cow-milk-allergy-proteomics-perspectives-from-allergens-to-patients
#15
Enza D' Auria, Chiara Mameli, Cristian Piras, Lucia Cococcioni, Andrea Urbani, Gian Vincenzo Zuccotti, Paola Roncada
Cow's milk allergy (CMA) is one of the most common food allergies, especially during childhood. CMA is an immunological mediated adverse reaction to one or more cow's milk proteins, which are normally harmless to a non-allergic individual, as the result of a failure of oral tolerance. To make a correct diagnosis of CMA and a proper treatment are critical in clinical practice. Application of proteomics along with new bio-informatics tools in the field of food allergy is one of the hot topics presented in recent years...
February 3, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29406080/impact-of-subclinical-mastitis-on-greenhouse-gas-emissions-intensity-and-profitability-of-dairy-cows-in-norway
#16
Şeyda Özkan Gülzari, Bouda Vosough Ahmadi, Alistair W Stott
Impaired animal health causes both productivity and profitability losses on dairy farms, resulting in inefficient use of inputs and increase in greenhouse gas (GHG) emissions produced per unit of product (i.e. emissions intensity). Here, we used subclinical mastitis as an exemplar to benchmark alternative scenarios against an economic optimum and adjusted herd structure to estimate the GHG emissions intensity associated with varying levels of disease. Five levels of somatic cell count (SCC) classes were considered namely 50,000 (i...
February 1, 2018: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29397173/short-communication-associations-of-feeding-behavior-and-milk-production-in-dairy-cows
#17
C Johnston, T J DeVries
Identification of the associations of cow feeding behavior with productivity is important for supporting recommendations of strategies that optimize milk yield and composition. The objective of this study was to identify associations between measures of feeding behavior and milk production using data collated from studies of the feeding behavior of lactating dairy cows. A database containing behavior and production data for 132 dairy cow-week observations (mean of 7 d of consecutive data per cow) was assembled from 5 studies...
January 31, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29397169/inhibition-of-arginase-via-jugular-infusion-of-n%C3%AF-hydroxy-nor-l-arginine-inhibits-casein-synthesis-in-lactating-dairy-cows
#18
L Y Ding, L M Chen, M Z Wang, J Zhang, J J Loor, G Zhou, X Zhang, H R Wang
A previous in vitro study revealed that Arg elicits positive effects on casein synthesis through alterations of the Arg-ornithine pathway in bovine mammary epithelial cells. The main purpose of this work was to determine the effects of arginase inhibition using Nω-hydroxy-nor-l-arginine (nor-NOHA) on milk protein synthesis in vivo. Six healthy Chinese Holstein cows with similar body weight (550.0 ± 20 kg; means ± standard deviation), parity (4), body condition score (3.0), milk yield (21.0 ± 1.0 kg), and days in milk (80 ± 2) were selected and randomly assigned to 3 treatments in a replicated 3 × 3 Latin square design with 22 d for each period (7 d for infusion and 15 d for washout)...
January 31, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29397165/plasma-glucose-and-nonesterified-fatty-acids-response-to-epinephrine-challenges-in-dairy-cows-during-a-670-d-lactation
#19
L C Marett, M J Auldist, W J Wales, K L Macmillan, F R Dunshea, B J Leury
This experiment investigated the metabolic response to a 2-dose epinephrine challenge of dairy cows undergoing an extended lactation. Twelve multiparous Holstein-Friesian cows that calved in late winter in a seasonally calving pasture-based dairying system were managed for a 670-d lactation by delaying rebreeding. In each of four 40-d experimental periods commencing at 73, 217, 422, and 520 (±9.1) d in milk (DIM), cows were offered a diet of perennial ryegrass (73 and 422 DIM) or pasture hay and silage (217 and 520 DIM), supplemented with 1 (CON; n = 6) or 6 kg of grain (GRN; n = 6) as a ration...
January 31, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29395139/effects-of-feeding-hulled-and-hull-less-barley-with-low-and-high-forage-diets-on-lactation-performance-nutrient-digestibility-and-milk-fatty-acid-composition-of-lactating-dairy-cows
#20
Y Yang, G Ferreira, C L Teets, B A Corl, W E Thomason, C A Griffey
The objective of this study was to evaluate lactation performance, nutrient digestibility, and milk fatty acid composition of high-producing dairy cows consuming diets containing hulled or hull-less barley as the grain source when feeding low-forage (LF) or high-forage (HF) diets. Eight primiparous (610 ± 40 kg of body weight and 72 ± 14 d in milk) and 16 multiparous (650 ± 58 kg of body weight and 58 ± 16 d in milk) Holstein cows were randomly assigned to 1 of 4 diets in a replicated 4 × 4 Latin square design with a 2 × 2 factorial arrangement of treatments and 21-d periods...
January 26, 2018: Journal of Dairy Science
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