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https://www.readbyqxmd.com/read/28438763/the-performing-animal-causes-and-consequences-of-body-remodelling-and-metabolic-adjustments-in-red-knots-facing-contrasting-thermal-environments
#1
François Vézina, Alexander R Gerson, Christopher G Guglielmo, Theunis Piersma
Using red knots (Calidris canutus) as a model, we determined how changes in mass and metabolic activity of organs relate to temperature-induced variation in metabolic performance. In cold-acclimated birds, we expected large muscles and heart, improved oxidative capacity and lipid transport, and we predicted that this would explain variation in maximal thermogenic capacity (Msum). We also expected larger digestive and excretory organs in these birds and predicted that this would explain variation in basal metabolic rate (BMR)...
April 24, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28438492/metabolism-of-14-c-octamethylcyclotetrasiloxane-14-c-d4-or-14-c-decamethylcyclopentasiloxane-14-c-d5-orally-gavaged-in-rainbow-trout-oncorhynchus-mykiss
#2
Jeanne Y Domoradzki, Jacob M Sushynski, Lisa M Thackery, Timothy A Springer, Timothy L Ross, Kent B Woodburn, Jeremy A Durham, Debra A McNett
Critical factors (uptake, distribution, metabolism and elimination) for understanding the bioaccumulation/biomagnification potential of Octamethylcyclotetrasiloxane (D4) and Decamethylcyclopentasiloxane (D5) siloxanes in fish were investigated to address whether these chemicals meet the "B" criteria of the Persistent, Bioaccumulative, and Toxic (PBT) classification. A metabolism study was conducted in rainbow trout whereby a 15mg [(14)C]D4 /kg bw or [(14)C]D5/kg bw as a single bolus oral dose was administered via gavage...
April 21, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28438023/proteomic-analysis-of-the-effect-of-dha-phospholipids-from-large-yellow-croaker-roe-on-hyperlipidemic-mice
#3
Peng Liang, Min Zhang, Wenxiong Lin, Lijiao Chen
Previously, we found that phospholipids derived from large yellow croaker (Pseudosciaena crocea) roe had a higher level of docosahexaenoic acid (DHA-PL), which had beneficial effects on lipid metabolism. However, the mechanism by which DHA-PL from P. crocea roe exerts these effects has not yet been illuminated. Herein, we investigated the underlying molecular action of DHA-PL by examining changes in liver protein expression in control, hyperlipidemic and DHA-PL-treated mice. A total of 17 proteins, 9 up-regulated and 7 down-regulated, were identified and classified into several metabolic pathways, such as fat digestion and absorption, peroxisome proliferator activated receptor (PPAR) signaling, and antigen processing and presentation; the largest functional class found was that of fat digestion and absorption...
April 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28436338/the-effect-of-boswellia-serrata-resin-diet-supplementation-on-production-hematological-biochemical-and-immunological-parameters-in-broiler-chickens
#4
A R M Al-Yasiry, B Kiczorowska, W Samolińska, E Kowalczuk-Vasilev, D Kowalczyk-Pecka
Boswellia serrata resin (BSR), exhibiting a variety of therapeutic properties, is applied in Asian traditional medicine. These properties can be used in poultry production as well. Application of the resin as a phytobiotic in broiler chicken rearing can increase the productivity and improve meat quality. However, the optimum and maximum levels of BSR in broiler diets need to be assessed. The study determined the effect of different levels of supplementation of BSR (directly derived, unprocessed) in diets for broiler chickens on the production traits, selected slaughter analysis parameters, nutrient digestibility and selected hematological, biochemical and immunological parameters...
April 24, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28435189/in-vitro-evaluation-of-total-mixed-ration-supplemented-with-exogenous-fibrolytic-enzymes-for-crossbred-cows
#5
Pravin Mohan Lunagariya, Ram Sharan Gupta, Subhash Parnerkar
AIM: The study was conducted to evaluate the levels of exogenous fibrolytic enzymes (EFE) on in vitro digestibilities of dry matter (DM) and organic matter (OM), total gas production (TGP), metabolizable energy (ME) content, and microbial biomass production (MBP). MATERIALS AND METHODS: The total mixed ration (TMR) was prepared using 30% each of sorghum hay and groundnut straw and 40% compound concentrate mixture to meet nutritional requirement of cow (500 kg) producing 12 kg fat corrected milk...
March 2017: Veterinary World
https://www.readbyqxmd.com/read/28434741/dietary-linseed-oil-increases-trans-10-cis-15-18-2-in-caprine-milk-fat
#6
P Gómez-Cortés, A Cívico, M A de la Fuente, M Juárez, N Núñez Sánchez, F Peña Blanco, A L Martínez Marín
Trans-10,cis-15 18:2 has been recently detected and characterized in digestive contents and meat and adipose tissue of ruminants, but its presence in milk and dairy products is hardly known. The aim of this study was to quantify trans-10,cis-15 18:2 in milk fat, better understand its metabolic origin, and help to elucidate the mechanisms of rumen biohydrogenation when the diet composition might affect ruminal environment. To address these objectives, 16 dairy goats were allocated to 2 simultaneous experiments (2 groups of goats and 2 treatments in each experiment)...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434727/short-term-effects-of-soybean-oil-supplementation-on-performance-digestion-and-metabolism-in-dairy-cows-fed-sugarcane-based-diets
#7
João Paulo P Rodrigues, Ricardo M de Paula, Luciana N Rennó, Marta M S Fontes, Andreia F Machado, Sebastião de C Valadares Filho, Pekka Huhtanen, Marcos I Marcondes
We aimed to quantify the productive and metabolic responses, and digestive changes in dairy cows fed various concentrations of soybean oil (SBO) in high-concentrate, sugarcane-based diets. Eight rumen-cannulated multiparous Holstein cows in mid lactation (574 ± 19.1 kg of body weight and 122 ± 6.9 d in milk), averaging 22.5 ± 1.22 kg/d of milk were assigned to replicated 4 × 4 Latin squares. The experimental period lasted 21 d as follows: 14 d for adaptation, followed by a sampling period from d 15 to 21...
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
#8
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/28431149/next-generation-non-starch-polysaccharide-degrading-multi-carbohydrase-complex-rich-in-xylanase-and-arabinofuranosidase-to-enhance-broiler-feed-digestibility
#9
Pierre Cozannet, Michael T Kidd, Roberto Montanhini Neto, Pierre-André Geraert
This study was carried out to evaluate the effect of a multi-carbohydrase complex ( ) rich in xylanase ( ) and arabinofuranosidase ( ) on overall broiler feed digestibility in broilers. Energy utilization and digestibility of dry matter ( ), organic matter ( ), protein, starch, fat, and insoluble and soluble fibers were measured using the mass-balance method. The experiment was carried out on 120 broilers (3-week-old chickens). Broilers were distributed over 8 treatments to evaluate the effect of the dietary arabinoxylan content and nutrient density with and without MCC (Rovabio® Advance)...
April 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28429609/chemical-evaluation-of-the-rhynchophorus-ferrugineus-larvae-fed-on-different-substrates-as-human-food-source
#10
Annarita Cito, Santi Longo, Giuseppe Mazza, Elena Dreassi, Valeria Francardi
We investigated the chemical composition of the weevil Rhynchophorus ferrugineus larvae, traditionally used as human food in Asia and known worldwide as one of the most significant pest for palm trees. Total fat content and fatty acid composition were analyzed using standard methodologies in (1) weevil larvae reared on apple fruit slices and wild specimens collected from attacked (2) Phoenix canariensis and (3) Syagrus romanzoffiana palm trees. Total fat content was extremely high in all the specimens (ranged between 57...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28429461/deodorization-of-arthrospira-platensis-biomass-for-further-scale-up-food-applications
#11
Sara P Cuellar-Bermúdez, Bertha Barba-Davila, Sergio O Serna-Saldivar, Roberto Parra-Saldivar, José Rodriguez-Rodriguez, Sandra Morales-Davila, Koen Goiris, Koenraad Muylaert, Cristina Chuck-Hernández
BACKGROUND: Given the importance of A. platensis as a potential food protein source, we achieve an affordable deodorization process that does not significantly affect the nutritional value of algae biomass. RESULTS: Ethanol, acetone or hexane were used to deodorize algae biomass and then to identify the profile of volatile compounds associated with its distinctive odor. Sensorial characteristics were improved in the biomass cake after the proposed solvent extraction...
April 21, 2017: Journal of the Science of Food and Agriculture
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/28422122/infant-milk-fat-droplet-size-and-coating-affect-postprandial-responses-in-healthy-adult-men-a-proof-of-concept-study
#13
S Baumgartner, B J M van de Heijning, D Acton, R P Mensink
BACKGROUND/OBJECTIVES: Fat droplets in human milk (HM) are larger and surrounded by a phospholipid membrane compared with infant milk formulas (IMF). Since the physical structure of fat droplets might affect digestion and postprandial metabolism, an IMF was developed more mimicking HM lipid structure than current IMF. SUBJECTS/METHODS: A randomised, double-blind, crossover study was performed in 29 fasted healthy men (aged 18-25 years, BMI: 18-25 kg/m(2)) to compare 5-hour postprandial responses after consumption of an experimental IMF (Concept, Nuturis) with a current IMF (Control)...
April 19, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28419372/nutrient-and-fiber-utilization-responses-of-supplemental-xylanase-in-broiler-chickens-fed-wheat-based-diets-are-independent-of-the-adaptation-period-to-test-diets2
#14
E Kiarie, M C Walsh, L F Romero, S Arent, V Ravindran
The effects of adaptation (AD) to xylanase-supplemented diets on nutrient and fiber utilization in 21-d-old broilers were investigated. Six treatments, arranged in two levels of AD (starting at d 0 or d 14 of age) and three levels of xylanase (0 or 2,500 or 5,000 xylanase units/kg feed) were used. All diets had 500 phytase U/kg and 0.3% TiO2 as indigestible marker. A total of 384 d old male broiler (Ross 308) chicks were divided into two groups. The first group was assigned on weight basis to 24 cages (8 chicks per cage) and randomly allocated to the diets from d 0...
April 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28416038/the-effects-of-fermentation-and-enzymatic-treatment-of-pea-on-nutrient-digestibility-and-growth-performance-of-broilers
#15
F Goodarzi Boroojeni, M Senz, K Kozłowski, D Boros, M Wisniewska, D Rose, K Männer, J Zentek
The present study examined the impacts of native, fermented or enzymatically treated peas (Pisum sativum L.) inclusion in broiler diets, on growth performance and nutrient digestibility. For the fermentation process, Madonna pea was mixed with water (1/1) containing 2.57×108 Bacillus subtilis (GalliPro®) spores/kg pea and then, incubated for 48 h at 30 °C. For the enzymatic treatment process, the used water for dough production contained three enzymes, AlphaGalTM (α-galactosidase), RONOZYME® ProAct and VP (protease and pectinases respectively - DSM, Switzerland) and the pea dough incubated for 24 h at 30°C...
April 18, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28407925/dna-adductomics-to-study-the-genotoxic-effects-of-red-meat-consumption-with-and-without-added-animal-fat-in-rats
#16
Lieselot Y Hemeryck, Thomas Van Hecke, Els Vossen, Stefaan De Smet, Lynn Vanhaecke
Digestion of red and processed meat has been linked to the formation of genotoxic N-nitroso compounds (NOCs) and lipid peroxidation products (LPOs) in the gut. In this study, rats were fed a meat based diet to compare the possible genotoxic effects of red vs. white meat, and the interfering role of dietary fat. To this purpose, liver, duodenum and colon DNA adductomes were analyzed with UHPLC-HRMS. The results demonstrate that the consumed meat type alters the DNA adductome; the levels of 22 different DNA adduct types significantly increased upon the consumption of beef (compared to chicken) and/or lard supplemented beef or chicken...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28397545/nutritional-evaluation-of-former-food-products-ex-food-intended-for-pig-nutrition
#17
C Giromini, M Ottoboni, M Tretola, D Marchis, D Gottardo, V Caprarulo, A Baldi, L Pinotti
Ex-food or former food products (FFPs) have been proposed as one of the categories with great promise as alternative feed ingredients. FFPs' nutritional potential is not yet fully exploited. Therefore, the aim of this study was to perform a nutritional evaluation of selected FFPs. In particular, six samples of mixed FFPs, all based on bakery products, were analysed for moisture, crude protein, ether extract, crude fibre, neutral detergent fibre, acid detergent fibre, starch and ash. Nitrogen-free extractives and non-structural carbohydrate were also determined...
April 11, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
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/28390667/pyridoxal-5-phosphate-mediated-preparation-of-immobilized-metal-affinity-material-for-highly-selective-and-sensitive-enrichment-of-phosphopeptides
#19
Qian Wang, Xiao-Mei He, Xi Chen, Gang-Tian Zhu, Ren-Qi Wang, Yu-Qi Feng
Phosphorylation is a crucial post-translational modification, which plays pivotal roles in various biological processes. Analysis of phosphopeptides by mass spectrometry (MS) is intractable on account of their low stoichiometry and the ion suppression from non-phosphopeptides. Thus, enrichment of phosphopeptides before MS analysis is indispensable. In this work, we employed pyridoxal 5'-phosphate (PLP), as an immobilized metal affinity chromatography (IMAC) ligand for the enrichment of phosphopeptides. PLP was grafted onto several substrates such as silica (SiO2), oxidized carbon nanotube (OCNT) and silica coated magnetic nanoparticles (Fe3O4@SiO2)...
April 1, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28384537/characterization-of-colloidal-structures-during-intestinal-lipolysis-using-small-angle-neutron-scattering
#20
Oljora Rezhdo, Selena Di Maio, Peisi Le, Kenneth C Littrell, Rebecca L Carrier, Sow-Hsin Chen
HYPOTHESIS: Bile micelles are thought to mediate intestinal absorption, in part by providing a phase into which compounds can partition. Solubilizing capacity of bile micelles is enhanced during the digestion of fat rich food. We hypothesized that the intestinal digestion of triglycerides causes an increase in volume of micelles that can be quantitatively monitored over the course of digestion using small-angle neutron scattering (SANS), and that SANS can enable evaluation of the contribution of each of the components present during digestion to the size of micelles...
August 1, 2017: Journal of Colloid and Interface Science
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