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Ileal feeding

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https://www.readbyqxmd.com/read/28066937/effect-of-dietary-dry-matter-intake-on-endogenous-nitrogen-flows-in-growing-lambs
#1
W Gao, X Gao, A Chen, F Zhang, D Chen, C Liu
The effect of dietary dry matter intake (DMI) on endogenous nitrogen (N) flows at different part of the digestive tract of growing lambs was determined using a (15) N isotope dilution technique. Three Kazakh male lambs (30 ± 2.75 kg of body weights and 4 months old, average daily gain 200 g/day) were fitted with ruminal, duodenal and ileal cannulae and raised in metabolic cage individually. The experiment was conducted in a 3 × 3 Latin square design with three lambs, three DMI levels (1100, 920 and 736 g/day respectively) and three periods...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28059513/o-methylisourea-can-react-with-the-%C3%AE-amino-group-of-lysine-implications-for-the-analysis-of-reactive-lysine
#2
Tetske G Hulshof, Shane M Rutherfurd, Stefano Sforza, Paul Bikker, Antonius F B van der Poel, Wouter H Hendriks
The specificity of O-methylisourea (OMIU) to bind to the ε-amino group of Lys, an important supposition for the OMIU-reactive Lys analysis of foods, feeds, ingredients, and digesta, was investigated. Crystalline l-Lys incubated under standard conditions with OMIU resulted in low homoarginine recoveries. The reaction of OMIU with the α-amino group of Lys was confirmed by MS analysis, with double derivatized Lys being identified. None of the changes in reaction conditions (OMIU pH, OMIU to Lys ratio, and reaction time) with crystalline l-Lys resulted in 100% recovery of homoarginine...
January 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28052453/comparison-of-calculated-and-experimentally-determined-sid-of-cp-and-aa-in-complex-diets-differing-in-aa-contents-for-grower-finisher-pigs
#3
K Büsing, A Berk, S Müller, S Kieckhäven, K Krüger, A Zeyner
In practice, the content of standardized ileal digestible AA in complex feeds for pigs is calculated on the basis of tabulated values for individual feedstuffs. It comes into question, however, whether this truly reflects an accurate content based upon the estimate made for the individual feedstuffs. The objective of this study was to compare standardized ileal digestibility (SID) of crude protein (CP) and selected AA in complex feeds for grower and finisher pigs either calculated or experimentally determined...
January 4, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28052409/effects-of-dietary-inclusion-of-silymarin-on-performance-intestinal-morphology-and-ileal-bacterial-count-in-aflatoxin-challenged-broiler-chicks
#4
E Jahanian, A H Mahdavi, S Asgary, R Jahanian
This study was conducted to investigate the effect of dietary supplementation of silymarin on performance, jejunal morphology and ileal bacterial population in broiler chicks intoxicated with a mix of aflatoxins. A total of three hundred thirty six 7-day-old Ross broiler chicks were randomly distributed between seven experimental groups with four replicates of 12 birds each. Experimental treatments consisted of a control group (unchallenged), and a 2 × 3 factorial arrangement, including two aflatoxin levels (0...
January 4, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28046181/increases-in-duodenal-glutamic-acid-supply-linearly-increase-small-intestinal-starch-digestion-but-not-nitrogen-balance-in-cattle
#5
E J Blom, D E Anderson, D W Brake
Small intestinal starch digestion (SISD) in cattle is often limited; however, greater postruminal flow of high-quality protein (e.g., casein) can increase SISD, and Glu can mimic responses to casein for SISD. We evaluated effects of increasing Glu flows to the duodenum on SISD and N retention in cattle. Cattle received (DM basis) continuous duodenal infusion of raw cornstarch (1.5 ± 0.08 kg/d) and 0, 30.9 ± 0.6, 62.4 ± 1.2, or 120.4 ± 3.4 g/d Glu or 387.9 ± 17.5 g/d casein. As expected, the positive control (i...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28045927/synbiotics-for-broiler-chickens-in-vitro-design-and-evaluation-of-the-influence-on-host-and-selected-microbiota-populations-following-in-ovo-delivery
#6
Aleksandra Dunislawska, Anna Slawinska, Katarzyna Stadnicka, Marek Bednarczyk, Piotr Gulewicz, Damian Jozefiak, Maria Siwek
Synbiotics are synergistic combinations of prebiotics and probiotics. In chickens, synbiotics can be delivered in ovo to expedite colonization of the gut by beneficial bacteria. We therefore aimed to design synbiotics in vitro and validate them in broiler chickens upon in ovo delivery. The probiotic components of the synbiotics were Lactobacillus salivarius and Lactobacillus plantarum. Their growth was assessed in MRS medium supplemented with different prebiotics. Based on in vitro results (hatchability and growth curve), two synbiotics were designed: S1 -Lactobacillus salivarius with galactooligosaccarides (GOS) and S2 -Lactobacillus plantarum with raffinose family oligosaccharides (RFO)...
2017: PloS One
https://www.readbyqxmd.com/read/28038359/green-tea-extract-treatment-reduces-nf%C3%AE%C2%BAb-activation-in-mice-with-diet-induced-nonalcoholic-steatohepatitis-by-lowering-tnfr1-and-tlr4-expression-and-ligand-availability
#7
Jinhui Li, Teryn N Sapper, Eunice Mah, Meredith V Moller, Joshua B Kim, Chureeporn Chitchumroonchokchai, Joshua D McDonald, Richard S Bruno
NFκB-mediated inflammation contributes to liver injury during nonalcoholic steatohepatitis (NASH). We hypothesized that antiinflammatory activities of green tea extract (GTE) during NASH would lower tumor necrosis factor receptor-1 (TNFR1)- and Toll-like receptor-4 (TLR4)-mediated NFκB activation. Male C57BL6/J mice (6 weeks old) were fed a low-fat (LF) or high-fat (HF) diet for 12 weeks to induce NASH. They were then randomized to continue on these diets supplemented with 0 or 2% GTE (n=10/group) for an additional 8 weeks prior to evaluating NASH, NFκB inflammation and TNFR1 and TLR4 receptor complexes and their respective ligands, TNFα and endotoxin...
December 21, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28003537/ileal-digesta-nondietary-substrates-from-cannulated-pigs-are-major-contributors-to-in-vitro-human-hindgut-short-chain-fatty-acid-production
#8
Carlos A Montoya, Shane M Rutherfurd, Paul J Moughan
BACKGROUND: It has been assumed that short-chain fatty acids (SCFAs) in the colon originate mainly from dietary fiber fermentation. However, SCFAs in the colon are also produced from the fermentation of nondietary material. OBJECTIVES: We aimed to predict the relative contributions of dietary and nondietary substrates in the production of SCFAs with the use of a human fecal inoculum for diets containing kiwifruit as a model fiber. METHODS: Terminal ileal digesta were collected from ileal-cannulated male pigs [n = 7; mean ± SD: 41...
December 21, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/28000223/western-diet-induces-colonic-nitrergic-myenteric-neuropathy-and-dysmotility-in-mice-via-saturated-fatty-acid-and-lps-induced-tlr4-signaling
#9
François Reichardt, Benoit Chassaing, Behtash Ghazi Nezami, Ge Li, Sahar Tabatabavakili, Simon Mwangi, Karan Uppal, Bill Liang, Matam Vijay-Kumar, Dean Jones, Andrew T Gewirtz, Shanthi Srinivasan
Consumption of high-fat diets (HFD) is associated with myenteric neurodegeneration associated with delayed colonic transit and constipation. We examined the hypothesis that both HFD's inherent increase in plasma free fatty acids (FFA) and HFD-induced alteration in gut microbiota contribute to the pathophysiology of these disorders. C57BL/6 mice were fed a Western diet (WD, 35% kcal from fat- enriched in palmitate) or a purified regular diet (RD, 16.9% kcal from fat) for 3, 6, 9 and 12 weeks. Gut microbiota dysbiosis was investigated by fecal LPS measurement and metabolomics (LTQ-FTMS) analysis...
December 20, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27995402/does-the-ileal-brake-contribute-to-delayed-gastric-emptying-after-pancreatoduodenectomy
#10
REVIEW
Savio G Barreto, John A Windsor
Delayed gastric emptying (DGE) represents a significant cause for morbidity following pancreatoduodenectomy (PD). At a time when no specific and universally effective therapy exists to treat these patients, elucidating other potential (preventable or treatable) mechanisms for DGE is important. The aim of the manuscript was to test the hypothesis that ileal brake contributes to DGE in PD patients receiving jejunal tube feeding by systematically reviewing experimental and clinical literature. A series of clinically relevant questions were framed related to the potential role of the ileal brake in development of DGE post-PD and formed the basis of targeted literature searches...
December 19, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27989252/dietary-live-yeast-and-mannan-oligosaccharide-supplementation-attenuate-intestinal-inflammation-and-barrier-dysfunction-induced-by-escherichia-coli-in-broilers
#11
Weiwei Wang, Zhui Li, Qiqi Han, Yuming Guo, Bo Zhang, Romain D'inca
The effects of live yeast (LY) and mannan-oligosaccharide (MOS) supplementation on intestinal disruption induced by Escherichia coli in broilers were investigated. The experimental design was a 3×2 factorial arrangement with three dietary treatments (control, 0·5 g/kg LY (Saccharomyces cerevisiae, 1·0×1010 colony-forming units/g), 0·5 g/kg MOS) and two immune treatments (with or without E. coli challenge from 7 to 11 d of age). Samples were collected at 14 d of age. The results showed that E. coli challenge impaired (P<0·05) growth performance during the grower period (1-21 d) and the overall period (1-35 d) of broilers, increased (P<0·05) serum endotoxin and diamine oxidase levels coupled with ileal myeloperoxidase and lysozyme activities, whereas reduced (P<0·05) maltase activity, and compromised the morphological structure of the ileum...
December 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27936165/enzymatically-modified-starch-favorably-modulated-intestinal-transit-time-and-hindgut-fermentation-in-growing-pigs
#12
M A Newman, Q Zebeli, K Velde, D Grüll, T Molnar, W Kandler, B U Metzler-Zebeli
Aside from being used as stabilizing agents in many processed foods, chemically modified starches may act as functional dietary ingredients. Therefore, development of chemically modified starches that are less digestible in the upper intestinal segments and promote fermentation in the hindgut receives considerable attention. This study aimed to investigate the impact of an enzymatically modified starch (EMS) on nutrient flow, passage rate, and bacterial activity at ileal and post-ileal level. Eight ileal-cannulated growing pigs were fed 2 diets containing 72% purified starch (EMS or waxy cornstarch as control) in a cross-over design for 10 d, followed by a 4-d collection of feces and 2-d collection of ileal digesta...
2016: PloS One
https://www.readbyqxmd.com/read/27921350/effects-of-the-standardized-ileal-digestible-valine%C3%A2-%C3%A2-lysine-ratio-on-performance-milk-composition-and-plasma-indices-of-lactating-sows
#13
Yetong Xu, Zhikai Zeng, Xiao Xu, Qiyu Tian, Xiaokang Ma, Shenfei Long, Meijing Piao, Zhibin Cheng, Xiangshu Piao
To determine the effects of standardized ileal digestible (SID) valine : lysine ratio on the performance, milk composition and plasma indices of lactating sows, 32 Large White × Landrace sows (219.78 ± 7.15 kg body weight; parity 1.82 ± 0.62) were allotted to one of four dietary treatments with eight sows per treatment based on parity, back fat thickness and body weight. The sows were fed corn-soybean meal-based diets containing 63, 83, 103 or 123% SID valine : lysine from day 107 of gestation until day 28 of lactation...
December 5, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27917742/amino-acid-utilization-and-body-composition-of-growing-pigs-fed-processed-soybean-meal-or-rapeseed-meal-with-or-without-amino-acid-supplementation
#14
T G Hulshof, A F B van der Poel, W H Hendriks, P Bikker
Feed ingredients used in swine diets are often processed to improve nutritional value. However, (over-)processing may result in chemical reactions with amino acids (AAs) that decrease their ileal digestibility. This study aimed to determine effects of (over-)processing of soybean meal (SBM) and rapeseed meal (RSM) on post-absorptive utilization of ileal digestible AAs for retention and on body AA composition of growing pigs. Soybean meal and RSM were processed by secondary toasting in the presence of lignosulfonate to obtain processed soybean meal (pSBM) and processed rapeseed meal (pRSM)...
December 5, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27911928/%C3%AE-glucans-and-resistant-starch-alter-the-fermentation-of-recalcitrant-fibers-in-growing-pigs
#15
Sonja de Vries, Walter J J Gerrits, Mirjam A Kabel, Thava Vasanthan, Ruurd T Zijlstra
Interactions among dietary ingredients are often assumed non-existent when evaluating the nutritive value and health effects of dietary fiber. Specific fibers can distinctly affect digestive processes; therefore, digestibility and fermentability of the complete diet may depend on fiber types present. This study aimed to evaluate the effects of readily fermentable fibers (β-glucans and resistant starch) on the degradation of feed ingredients containing more persistent, recalcitrant, fibers. Six semi-synthetic diets with recalcitrant fibers from rapeseed meal (pectic polysaccharides, xyloglucans, and cellulose) or corn distillers dried grain with solubles (DDGS; (glucurono)arabinoxylans and cellulose) with or without inclusion of β-glucans (6%) or retrograded tapioca (40%) substituted for corn starch were formulated...
2016: PloS One
https://www.readbyqxmd.com/read/27898953/impact-of-improving-dietary-amino-acid-balance-for-lactating-sows-on-efficiency-of-dietary-amino-acid-utilization-and-transcript-abundance-of-genes-encoding-lysine-transporters-in-mammary-tissue
#16
L Huber, C F M de Lange, C W Ernst, U Krogh, N L Trottier
Lactating multiparous Yorkshire sows ( = 64) were used in 2 experiments to test the hypothesis that reducing dietary CP intake and improving AA balance through crystalline AA (CAA) supplementation improves apparent dietary AA utilization efficiency for milk production and increases transcript abundance of genes encoding Lys transporter proteins in mammary tissue. In Exp. 1, 40 sows were assigned to 1 of 4 diets: 1) high CP (HCP; 16.0% CP, as-fed basis; analyzed concentration), 2) medium-high CP (MHCP; 15.7% CP), 3) medium-low CP (MLCP; 14...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898943/effects-of-feeding-fermented-wheat-with-on-gut-morphology-intestinal-fermentation-nutrient-digestibility-and-growth-performance-in-weaned-pigs
#17
M H A Le, S Galle, Y Yang, J L Landero, E Beltranena, M G Gänzle, R T Zijlstra
Feeding fermented feed to weaned pigs may improve nutrient digestibility and gut health and thereby reduce diarrhea incidence. Effects of feeding wheat grain fermented for 24 h with were evaluated with 36 weaned pigs (7.3 kg BW). Fermented wheat grain contained (DM basis) 14.2% CP, 0.45% chemically available Lys, and 7.8% NDF, whereas unfermented wheat grain contained 16.4% CP, 0.45% chemically available Lys, and 9.9% NDF. Pigs were fed 6 mash wheat-based diets balanced for water content during 2 phases: Phase 1 diets for 1 wk (d 0-7) with 20% unfermented or fermented wheat and, subsequently, Phase 2 diets for 2 wk (d 8-21) with 50% unfermented or fermented wheat...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898917/chemical-composition-and-standardized-ileal-amino-acid-digestibility-of-eight-genotypes-of-rye-fed-to-growing-pigs
#18
E J P Strang, M Eklund, P Rosenfelder, N Sauer, J K Htoo, R Mosenthin
A study with growing pigs was conducted to determine the chemical composition, physical characteristics, and standardized ileal digestibility (SID) of CP and AA of 8 rye genotypes that have recently been added to the German Descriptive Variety List. Eight barrows with an initial BW of 24 ± 2 kg were fitted with T-cannulas at the distal ileum and allotted to an 8 × 8 Latin square design with 8 periods of 6 d each and 8 pigs receiving 8 different diets. The N-free method was used to determine the basal ileal endogenous CP and AA losses...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898914/postprandial-portal-fluxes-of-essential-amino-acids-volatile-fatty-acids-and-urea-nitrogen-in-growing-pigs-fed-a-high-fiber-diet-supplemented-with-a-multi-enzyme-cocktail
#19
A K Agyekum, E Kiarie, M C Walsh, C M Nyachoti
The present study investigated the effects of adding a multi-enzyme cocktail (MC) to a high-fiber diet on net portal-drained viscera (PDV) fluxes of essential AA (EAA), volatile fatty acids (VFA), and blood urea-N (BUN) in growing pigs. Five female pigs (22.8 ± 1.6 kg BW), with catheters in the portal vein, ileal vein, and carotid artery, were fed 3 isocaloric-nitrogenous diets at 4% of their BW once daily at 0900 h for 7 d in a replicated 3 × 3 Latin square design. The diets contained corn and soybean meal with 0% (control) or 30% distillers' dried grains with solubles (DDGS; HF) produced from a 1:1 mixture of wheat and corn...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898909/protein-and-amino-acid-bioavailability-of-extruded-dog-food-with-protein-meals-of-different-quality-using-growing-mink-as-a-model
#20
M T Tjernsbekk, A-H Tauson, C F Matthiesen, Ø Ahlstrøm
The present study evaluated growing mink () as a model for dietary protein quality assessment of protein meals used in extruded dog foods. Three foods with similar CP content but of different protein quality were produced using different protein meals. The protein meals varied with respect to CP digestibility and AA composition and included lamb meal (LBM), poultry meal (PM), and fish meal (FM) with low, intermediate, and high protein quality, respectively. Nitrogen balance, BW gain, protein efficiency ratio (PER), and apparent total tract digestibility (ATTD) were used as measures of protein and AA bioavailability in growing mink...
September 2016: Journal of Animal Science
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