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Cow milk protein

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https://www.readbyqxmd.com/read/28453535/plasma-amino-acids-and-metabolic-profiling-of-dairy-cows-in-response-to-a-bolus-duodenal-infusion-of-leucine
#1
Hassan Sadri, Dirk von Soosten, Ulrich Meyer, Jeannette Kluess, Sven Dänicke, Behnam Saremi, Helga Sauerwein
Leucine (Leu), one of the three branch chain amino acids, acts as a signaling molecule in the regulation of overall amino acid (AA) and protein metabolism. Leucine is also considered to be a potent stimulus for the secretion of insulin from pancreatice β-cells. Our objective was to study the effects of a duodenal bolus infusion of Leu on insulin and glucagon secretion, on plasma AA concentrations, and to do a metabolomic profiling of dairy cows as compared to infusions with either glucose or saline. Six duodenum-fistulated Holstein cows were studied in a replicated 3 × 3 Latin square design with 3 periods of 7 days, in which the treatments were applied at the end of each period...
2017: PloS One
https://www.readbyqxmd.com/read/28449395/breast-milk-iga-to-foods-has-different-epitope-specificity-than-serum-iga-evidence-for-entero-mammary-link-for-food-specific-iga
#2
Antti E Seppo, Emma M Savilahti, M Cecilia Berin, Hugh A Sampson, Kirsi M Järvinen
BACKGROUND: We have previously shown that maternal cow's milk (CM) elimination results in down-regulation of CM-specific IgA antibody levels in BM, but not in serum, suggesting that an entero-mammary link may exist for food-specific antibody-secreting cells. OBJECTIVE: We sought to investigate whether food-specific IgA epitope profiles differ intra-individually between mother's serum and BM. We also examined how infants' food epitope-specific IgA develops in early infancy and the relationship of IgA epitope recognition with development of cow's milk allergy (CMA)...
April 27, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28436343/implications-of-feed-concentrate-reduction-in-organic-grassland-based-dairy-systems-a-long-term-on-farm-study
#3
F Leiber, I K Schenk, A Maeschli, S Ivemeyer, J O Zeitz, S Moakes, P Klocke, P Staehli, C Notz, M Walkenhorst
In response to increasing efforts for reducing concentrate inputs to organic dairy production in grassland-rich areas of Europe, a long-term study was conducted, which assessed the impacts of concentrate reductions on cows' performance, health, fertility and average herd age. In total, 42 Swiss commercial organic dairy cattle farms were monitored over 6 years ('Y0', 2008/09 until 'Y5', 2013/14). In comparison with overall data of Swiss herdbooks (including conventional and organic farms), the herds involved in the project had lower milk yields, similar milk solids, shorter calving intervals and higher average lactation numbers...
April 24, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28434739/the-effect-of-conjugated-linoleic-acid-acetate-and-their-interaction-on-adipose-tissue-lipid-metabolism-in-nonlactating-cows
#4
N Urrutia, Y Ying, K J Harvatine
During biohydrogenation-induced milk fat depression, adipose tissue lipogenesis may be increased through nutrients spared from milk fat synthesis. However, the direct effect of trans-10, cis-12 conjugated linoleic acid (CLA) and the indirect effect of spared nutrients on adipose tissue lipogenesis during milk fat depression is not clear. The objective of this study was to determine the direct effect of CLA, spared acetate, and their interaction on adipose tissue lipogenesis using nonlactating dairy cows as an experimental model, which allows separation of the effect of CLA and nutrient sparing...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434725/effects-of-breed-feeding-system-and-lactation-stage-on-milk-fat-characteristics-and-spontaneous-lipolysis-in-dairy-cows
#5
E Vanbergue, L Delaby, J L Peyraud, S Colette, Y Gallard, C Hurtaud
Spontaneous lipolysis (SL) is an enzymatic reaction which leads to a release of free fatty acids that can modify technological and sensory properties of milk and milk products. However, few studies have been done to assess the effect of feeding systems (FS) and breed on SL. Most of them were conducted in the 1980s and are not fully representative of cattle today. No previous study investigated the effect of cow breed at the whole-lactation scale. Thus, a trial was carried out to study the effects of 2 FS (high- and low-input FS) with 2 breeds [Holstein (HO) and Normande (NO)] during 1 entire lactation...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434720/short-and-longer-term-effects-of-feeding-increased-metwabolizable-protein-with-or-without-an-altered-amino-acid-profile-to-dairy-cows-immediately-postpartum
#6
E G Carder, W P Weiss
The first few weeks after parturition is marked by low, but increasing feed intake and sharply increasing milk production by dairy cows. Because of low intake, the nutrient density of the diet may need to be higher during this period to support increasing milk yields. We hypothesized that feeding higher levels of metabolizable protein (MP) or a protein supplement with rumen-protected lysine and methionine during the immediate postpartum period would increase yields of milk and milk components. Fifty-six Holstein cows (21 primiparous and 35 multiparous) starting at 3 d in milk were used in a randomized block design...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28432705/prognosis-of-infantile-food-protein-induced-enterocolitis-syndrome-in-japan
#7
Mitsuaki Kimura, Masaki Shimomura, Hideaki Morishita, Takaaki Meguro
BACKGROUND: Although the serum C-reactive protein (CRP) level and the percentage of eosinophils in peripheral blood (Eo) are increased at onset in infants with food protein-induced enterocolitis syndrome (FPIES), the relationship of these laboratory findings with the prognosis is presently unknown. METHODS: Correlations of the serum CRP levels and Eo at onset with the prognosis was analyzed in 32 patients with FPIES caused by cow's milk (CM). RESULTS: The rate of tolerance acquisition was 18...
April 22, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28429992/effect-of-replacing-maize-grain-and-soybean-meal-with-a-xylose-treated-wheat-grain-on-feed-intake-and-performance-of-dairy-cows
#8
Jens Benninghoff, Gregor Hamann, Herbert Steingaß, Franz-Josef Romberg, Karl Landfried, Karl-Heinz Südekum
This study evaluated wheat grain which was treated with xylose in aqueous Ca-Mg lignosulphonate solution at elevated temperatures (WeiPass®) in order to reduce ruminal degradation of starch and crude protein. The two tested isoenergetic and isonitrogenous diets contained on dry matter (DM) basis either 16% maize grain and 6.4% soybean meal (Diet CON) or 17.8% xylose-treated wheat and 4.6% soybean meal (Diet Wheat). Thirty-six German Holstein dairy cows were assigned to one of the two groups according to parity, body weight after calving, and milk yield during the previous lactation...
June 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28427879/food-protein-induced-enterocolitis-syndrome-in-australia-a-population-based-study-2012-2014
#9
Sam Mehr, Katie Frith, Elizabeth H Barnes, Dianne E Campbell
BACKGROUND: Food protein induced enterocolitis syndrome (FPIES) is a non-IgE mediated gastrointestinal allergic disorder. Large population based FPIES studies are lacking. OBJECTIVE: To determine the incidence and clinical characteristics of FPIES in Australian infants METHODS: An Australia wide survey (2012-2014) was undertaken via the Australian Paediatric Surveillance Unit, with monthly notification of new cases of acute FPIES in infants aged <24 months by 1400 participating Paediatricians...
April 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28426828/consumption-of-fortified-infant-foods-reduces-dietary-diversity-but-has-a-positive-effect-on-subsequent-growth-in-infants-from-sumedang-district-indonesia
#10
Aly Diana, Simonette R Mallard, Jillian J Haszard, Dwi Monik Purnamasari, Ikrimah Nurulazmi, Pratami D Herliani, Gaga I Nugraha, Rosalind S Gibson, Lisa Houghton
Stunting and underweight among under-five children in Indonesia are common, raising public health concerns. Whether inappropriate complementary feeding (CF) practices compromise optimal growth during late infancy in Indonesia is uncertain. Therefore we characterized and evaluated CF practices in Indonesian infants and investigated their relationship with subsequent growth. We enrolled breastfed infants at 6 months of age (n = 230); and followed them at 9 (n = 202) and 12 months of age (n = 190). We collected socio-demographic and anthropometric data and two-day in-home weighed food records...
2017: PloS One
https://www.readbyqxmd.com/read/28425447/development-and-pre-clinical-evaluation-of-recombinant-human-myelin-basic-protein-nano-therapeutic-vaccine-in-experimental-autoimmune-encephalomyelitis-mice-animal-model
#11
Medhat A Al-Ghobashy, Aliaa N ElMeshad, Rania M Abdelsalam, Mohammed M Nooh, Muhammad Al-Shorbagy, Götz Laible
Recombinant human myelin basic protein (rhMBP) was previously produced in the milk of transgenic cows. Differences in molecular recognition of either hMBP or rhMBP by surface-immobilized anti-hMBP antibodies were demonstrated. This indicated differences in immunological response between rhMBP and hMBP. Here, the activity of free and controlled release rhMBP poly(ε-caprolactone) nanoparticles (NPs), as a therapeutic vaccine against multiple sclerosis (MS) was demonstrated in experimental autoimmune encephalomyelitis (EAE) animal model...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423878/effects-of-alfalfa-flavonoids-on-the-production-performance-immune-system-and-ruminal-fermentation-of-dairy-cows
#12
Jinshun Zhan, Caixia Wu, Mingmei Liu, Xiaoshuang Su, Kang Zhan, Chungang Zhang, Guoqi Zhao
The objective of this study was to examine the effect of flavonoids from alfalfa on production performance, immunity, and ruminal fermentation of dairy cows. Four primiparous Holstein cows fitted with ruminal cannulas were used in a 4 × 4 Latin square design. They were fed a total mixed ration (TMR) added 0 (control group, Con), 20, 60 and 100 mg alfalfa flavonoids extract (AFE) per kg of body weight (BW), respectively. The results showed that the feed intake and milk lactose content of the group receiving from 60 mg/kg...
March 25, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28410620/resolution-of-recurrent-aphthous-ulcers-after-discontinuation-of-cow-s-milk-protein-intake
#13
Nita Chainani-Wu, Anuradha Nayudu
BACKGROUND AND OVERVIEW: Authors of published studies have reported elevated levels of circulating antibodies to cow's milk protein (CMP) in patients with recurrent aphthous ulcers (RAUs), and authors of case reports have described resolution of RAU after dairy elimination. CASE DESCRIPTION: A 10-year-old girl and an 11-year-old boy, both with 5-year histories of frequent RAU episodes, with multiple ulcerations, underwent dairy elimination trials. Both were free of oral ulcers within 2 weeks of discontinuing CMP and remained so with a CMP-free diet...
April 12, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28407191/genome-wide-association-analysis-of-body-conformation-traits-in-mexican-holstein-cattle-using-a-mix-of-sampled-and-imputed-snp-genotypes
#14
M E González, V M González, M F Montaño, G E Medina, P Mahadevan, C Villa, R Villa
In arid and semi-arid zones, animal health and production are closely correlated with body conformation traits. These selected traits, in turn, allow livestock to adapt unfavorable soil and environmental conditions. The primary objective of this study was to perform a genome-wide association analysis for a set of sampled and imputed SNPs with 16 conformation traits in a population of Holstein cows from a desert area of Northwestern Mexico. Imputation from 6K to 50K SNPs was performed as a low-cost optimization strategy...
April 13, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28401052/pooled-analysis-of-the-cow-s-milk-related-symptom-score-comiss%C3%A2-as-a-predictor-for-cow-s-milk-related-symptoms
#15
Yvan Vandenplas, Philippe Steenhout, Anette Järvi, Anne-Sophie Garreau, Rajat Mukherjee
PURPOSE: The diagnosis of cow's milk (CM) allergy is a challenge. The Cow's Milk-related-Symptom-Score (CoMiSS™) was developed to offer primary health care providers a reliable diagnostic tool for CM related symptoms. The predictive prospective value of the CoMiSS™ was evaluated in three clinical trials. METHODS: Pooled analyses of the three studies were conducted based on regressing the results of the month-1 challenge test on the month-1 CoMiSS™, adjusting for baseline CoMiSS™ using a logistic regression model...
March 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28393266/postpartum-endocrine-activities-metabolic-attributes-and-milk-yield-are-influenced-by-thermal-stress-in-crossbred-dairy-cows
#16
Ihsanullah, Muhammad Subhan Qureshi, Syed Muhammad Suhail, Sohail Akhtar, Rifat Ullah Khan
This study was conducted on 30 freshly parturated multiparous crossbred dairy cows possessing three levels of Holstein Frisian genetic makeup (62.5, 75.0, and 87.5%). Data on temperature humidity index (THI) were classified into comfortable (≤ 71), mild stress (72-79), moderate stress (80-89), and stressful (≥90) zone. Results showed that serum cortisol concentration increased significantly (P < 0.05) in cows during stressful condition irrespective of genetic makeup compared to the other zones. Daily milk yield (DMY) was significantly (P < 0...
April 10, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28390728/between-cow-variation-in-digestion-and-rumen-fermentation-variables-associated-with-methane-production
#17
E H Cabezas-Garcia, S J Krizsan, K J Shingfield, P Huhtanen
A meta-analysis based on an individual-cow data set was conducted to investigate the effects of between-cow variation and related animal variables on predicted CH4 emissions from dairy cows. Data were taken from 40 change-over studies consisting of a total of 637 cow/period observations. Animal production and rumen fermentation characteristics were measured for 154 diets in 40 studies; diet digestibility was measured for 135 diets in 34 studies, and ruminal digestion kinetics was measured for 56 diets in 15 studies...
April 5, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28390717/the-effects-of-heat-stress-on-protein-metabolism-in-lactating-holstein-cows
#18
S T Gao, J Guo, S Y Quan, X M Nan, M V Sanz Fernandez, L H Baumgard, D P Bu
Heat stress (HS) decreases milk protein synthesis beyond what would be expected based on the concomitant reduction in feed intake. The aim of the present study was to evaluate the direct effects of HS on milk protein production. Four multiparous, lactating Holstein cows (101 ± 10 d in milk, 574 ± 36 kg of body weight, 38 ± 2 kg of milk/d) were individually housed in environmental chambers and randomly allocated to 1 of 2 groups in a crossover design. The study was divided into 2 periods with 2 identical experimental phases (control phase and trial phase) within each period...
April 5, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28390716/management-practices-physically-effective-fiber-and-ether-extract-are-related-to-bulk-tank-milk-de-novo-fatty-acid-concentration-on-holstein-dairy-farms
#19
M E Woolpert, H M Dann, K W Cotanch, C Melilli, L E Chase, R J Grant, D M Barbano
The objective of this study was to evaluate the relationship of management practices and dietary factors with de novo fatty acid concentration in bulk tank milk from commercial dairy farms milking Holstein cows. Farms were selected based on de novo fatty acid concentration during the 6 mo before the farm visit and were categorized as high de novo (HDN; 24.61 ± 0.75 g/100 g of fatty acids, mean ± standard deviation; n = 19) or low de novo (LDN; 23.10 ± 0.88 g/100 g of fatty acids; n = 20). Farms were visited once in February, March, or April 2015 and evaluated based on management and facility design known to affect cow behavior, physical and chemical characteristics of the diet, and ration formulation and forage analyses obtained from the farm's nutritionist...
April 5, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28390715/effects-of-feeding-extruded-linseed-on-production-performance-and-milk-fatty-acid-profile-in-dairy-cows-a-meta-analysis
#20
T Meignan, C Lechartier, G Chesneau, N Bareille
The objectives of this study were to quantify the effects on production performance and milk fatty acid (FA) profile of feeding dairy cows extruded linseed (EL), a feed rich in α-linolenic acid, and to assess the variability of the responses related to the dose of EL and the basal diet composition. This meta-analysis was carried out using only data from trials including a control diet without fat supplementation. The dependent variables were defined by the mean differences between values from EL-supplemented groups and values from control groups...
April 5, 2017: Journal of Dairy Science
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