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Effects of creep feeding and supplemental glutamine or glutamine plus glutamate (Aminogut) on pre- and post-weaning growth performance and intestinal health of piglets

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Journal of Animal Science and Biotechnology 2013年第3期4卷 211-222页

作者： Rafael A Cabrera James L Usry Consuelo Arrellano Eduardo T Nogueira Marianne Kutschenko Adam J Moeser Jack Odle Laboratory of Developmental Nutrition Department of Animal ScienceNorth Carolina State University 101 Polk Hall North Carolina State UniversityRaleigh NC 27695 USA Huvepharma USA 525 West Park Drive Suite 230 Peachtree City GA 30269 USA ajinomoto heartland lysine Department of Statistics North Carolina State UniversityRaleigh NC 27695-8203 USA ajinomoto do Brasil. ajinomoto Animal Nutrition Sāo Paulo SP 04015-001 Brazil Department of Population Health and Pathobiology College of Veterinary Medicine North Carolina State UniversityRaleigh NC 27695 USA Laboratory of Developmental Nutrition Department of Animal ScienceNorth Carolina State University 101 Polk Hall North Carolina State UniversityRaleigh NC 27695 USA

Background： Creep feeding is used to stimulate piglet post-weaning feed consumption.L-Glutamine（GLN） is an important source of fuel for intestinal epithelial *** objective of this study was to determine the impact of creep feeding and adding GLN or AminoGut（AG;containing glutamine ＋ glutamate） to pre-and post-weaning diets on pig performance and intestinal ***（N = 120） were allotted to four treatments during 14–21 d of lactation： 1） No creep feed（NC,n = 45）;2） creep fed control diet（CFCD,n = 45）;3） creep fed 1% GLN（CFGLN,n = 15）;4） creep fed.88% AG（CFAG,n = 15）.After weaning,the NC and CFCD groups were sub-divided into three groups（n = 15 each）,receiving either a control nursery diet（NC-CD,CFCD-CD） or a diet supplemented with either GLN（NC-GLN,CFCD-GLN） or with AG（NC-AG,CFCD-AG）.Litters that were creep fed with diets containing GLN or AG also were supplemented with those amino acids in the nursery diets（CFGLN-GLN,CFAG-AG）.Glutamine was added at 1% in all three post-weaning diet phases and AG was added at.88% in phase 1 and 2 and at.66% in phase ***： Feed conversion（feed/gain） showed means among treatment means close to significance（P = 0.056） and Tukey＇s test for pairwise mean comparisons showed that Pigs in the CFGLN-GLN group had the best feed conversion（feed/gain） in the first three-week period post-weaning,exceeding（P = 0.044） controls（CFCD-CD） by 34%.The NC-AG group had（P = 0.02） the greatest feed intake in the last three week of the study,exceeding controls（CFCD-CD） by 12%.CFGLN-GLN,CFCD-GLN and sow reared（SR） pigs had the greatest（P = 0.049） villi height exceeding the CFCD-AG group by 18%,20% and 19% *** CFAG-AG group had the deepest（P = 0.001） crypts among all ***-GLN,CFCD-GLN and SR groups had the greatest（P = 0.001） number of cells proliferating（PCNA） exceeding those in the NC-CD group by 43%,54% and 63% *** reared pigs showed the greatest（P = 0.001） intestinal absorption capacity for xylose and

关键词： Creep feeding Glutamine Growth performance Intestinal health SEM Villi

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The use of feed-grade amino acids in lactating sow diets

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Journal of Animal Science and Biotechnology 2018年第2期9卷 399-406页

作者： Laura Greiner Pairat Srichana James L.Usry Casey Neill Gary L.Allee Joseph Connor Kevin J.Touchette Christopher D.Knight Carthage Innovative Sow Solutions LLCCarthageIL 62321USA Department of Animal Science University of Missouri-ColumbiaColumbiaMO 65211USA Charoen Pokphand Group Co. Ltd.14th Floor313 Silom Rd.BangrakBangkok 10500Thailand ajinomoto heartland Inc.ChicagoIL 60631USA Micronutrients 1550 Research WayIndianapolisIN 46231USA PIC HendersonvilleTN 37075USA Pipestone USA Novus International Inc.St.CharlesMO 63304USA

Background: The use of feed grade amino acids can reduce the cost of lactation feed. With changing genetics,increasing feed costs, and higher number of pigs weaned with heavier wean weights further evaluation of higher inclusion levels of feed-grade amino acid in lactation diets than previously published is warranted. Two experiments(Exp.) were conducted to determine the optimal inclusion level of L-lysine HCl to be included in swine lactation diets while digestible lysine levels remain constant across dietary treatments and allowing feed grade amino acids to be added to the diet to maintain dietary ratios relative to lysine to maximize litter growth rate and sow reproductive performance. Furthermore, the studies were to evaluate minimal amino acid ratios relative to lysine that allows for optimal litter growth rate and sow reproductive ***: Exp. 1: Increasing L-lysine HCl resulted in similar gilt feed intake, litter, and reproductive *** litter gain from birth to weaning was 2.51, 2.49, 2.59, 2.43, and 2.65 kg/d when gilts were fed 0.00, 0.075,0.150, 0.225, and 0.30% L-lysine HCl, respectively. Exp. 2: The average litter gain from birth to weaning was 2.68,2.73, 2.67, 2.70, and 2.64 kg/d(P lysine HCl plus valine,respectively. No other differences among dietary treatments were ***: Collectively, these studies demonstrate corn-soybean meal based lactation diets formulated with a constant SID lysine content for all parities containing up to 0.40% L-lysine HCl with only supplemental feed grade threonine and a methionine source have no detrimental effect on litter growth rate and subsequent total born.

关键词： Amino acid ratio Lactation L-lysine Sow

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A Novel Transglutaminase From Bacillus subtilis Spores

A Novel Transglutaminase From Bacillus subtilis Spores

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The Eighth China-Japan-Korea Joint Symposium on Enzyme Engineering

作者： Kenzo Yokozeki Shunich Suzuki Katsunori Kobayashi Shigeru Yamanaka Yuzuru Eto AminoScience Laboratories Global Foods ＆ Amino Acids CompanyAjinomoto Co.Inc.

＜正＞（Introduction）Transglutaminase（TGase;EC 2.***.2.13）is an acyltransferase that catalyzes cross-linking reactions between theγ-carboxyamide groups of glutamine residues in proteins and primary amine groups of v...

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Pigs receiving daily tailored diets using precision-feeding techniques have different threonine requirements than pigs fed in conventional phase-feeding systems

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Journal of Animal Science and Biotechnology 2019年第3期10卷 719-735页

作者： Aline Remus Luciano Hauschild Etienne Corrent Marie-Pierre Letourneau-Montminy Candido Pomar Sherbrooke Research and Development Centre Agriculture and Agri-Food CanadaSherbrookeQuebec J1M 0C8Canada Departement des sciences animales Universite LavalQuebec CityQuebec G1V 0A6Canada School of Agricultural and Veterinary Studies(FCAV) Department of Animal ScienceUniversity of Sao Paulo State (UNESP)JaboticabalSao Paulo 14883-108Brazil ajinomoto Animal Nutrition Europe Paris Cedex 17 F-75817France

Background: There is large variation in amino acids requirements among pigs,hence feeding pigs individually with daily tailored diets or in groups with a single feed may require different levels of ***,the response to different threonine levels(70%,85%,100%,115%,and 130% of the ideal threonine:lysine protein ratio of 0.65) was studied in growing pigs raised in a conventional group phase-feeding(GPF) system or fed individually using individual precision-feeding(IPF) *** a 21-day trial,110 barrows(25 ± 0.80 kg body weight) were housed in the same room and fed using electronic *** pigs per treatment were slaughtered at the end of the ***: Threonine intake increased linearly for the IPF and GPF pigs(P lysine intake was similar across the *** daily gain,gain:feed ratio,and protein deposition were affected linearly by threonine level(P lysine ratio,whereas protein deposition increased linearly in the IPF *** Met and serine levels were 11 and 7% higher,respectively,in the IPF pigs than in the GPF pigs(P < 0.05).Dietary threonine increased(P < 0.05)threonine concentration in the longissimus dorsi in a quadratic manner in the IPF pigs,whereas there was no effect in the GPF *** dorsi collagen decreased as dietary threonine increased in the IPF and GPF pigs(P < 0.10).Carcass muscle crude protein was 2% higher in the GPF pigs than in the IPF pigs(P < 0.05).Conclusions: Individual pigs are able to modulate growth and the composition of growth according to threonine *** average amino acid ratio value that is currently used for GPF cannot be used for IPF.

关键词： Amino acid body composition Dose-response Ideal protein profile lysine Threonine

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