|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Using probiotics to improve swine gut health and nutrient utilization显示文摘To maintain a healthy gut is definitely key for a pig to digest and absorb dietary nutrients efficiently. A balanced microbiota(i.e., a healthy micro-ecosystem) is an indispensable constituent of a healthy gut.Probiotics, the live microorganisms which, when administered in adequate amounts, confer good health benefits onto the host, are a category of feed additives that can be used to replenish the gut microbial population while recuperating the host immune system. Besides their antitoxin and diarrhea reduction effects, dietary supplementation of probiotics can improve gut health, nutrient digestibilities and,therefore, benefit nutrient utilization and growth performance of pigs. Current knowledge in the literature pertinent to the beneficial effects of utilizing various probiotics for swine production has been comprehensively reviewed, and the safety and the risk issues related to probiotic usage have also been discussed in this paper. Considering that the foremost cost in a swine operation is feed cost, feed efficiency holds a very special, if not the paramount, significance in commercial swine production. Globally,the swine industry along with other animal industries is moving towards restricting and eventually a total ban on the usage of antibiotic growth promoters. Therefore, selection of an ideal alternative to the in-feed antibiotics to compensate for the lost benefits due to the ban on the antibiotic usage is urgently needed to support the industry for profitable and sustainable swine production. As is understood, a decision on this selection is not easy to make. Thus, this review paper aims to provide some much needed up-to-date knowledge and comprehensive references for swine nutritionists and producers to refer to before making prudent decisions and for scientists and researchers to develop better commercial products. | Shengfa F.Liao Martin Nyachoti | 2017 | Animal Nutrition2017，，4： | 29 |
| 2 | Nutritional and Metabolic Consequences of Feeding High-Fiber Diets to Swine: A Review显示文摘目前,大量的低成本、纤维类的副产物被添加到猪的日粮中以减少猪的养殖成本。然而,由于猪不能有效降解膳食纤维,因此富含纤维的日粮营养价值偏低。此外,高纤维日粮会降低营养物质的利用率和猪的生长性能。最近的研究结果不一致,甚至互相矛盾,而且纤维来源、纤维类型和纤维水平也会影响高纤维日粮的负效应。另外,测定膳食纤维及其纤维组成的分析方法会经常干扰纤维对猪生长和生理反应的影响。虽然已经有一些改善纤维对猪的消极影响、提高日粮的营养价值的方法被逐渐应用,如外源纤维降解酶广泛应用于提高营养物质利用率和猪的生长性能。但是,与研究结果并不一致,还需要阐明外源纤维降解酶在猪的代谢和生理反应中的作用方式。另外,膳食纤维日益成为促进猪的肠道健康和改善妊娠母猪福利的方法。本文对膳食纤维及其对猪的营养、肠道生理和母猪福利的影响进行了讨论。同时,本文建议要对膳食纤维和外源酶如何提高猪对高纤维原料的利用率方面进行深入的研究。 | Atta K. Agyekum C. Martin Nyachoti | 2017 | Engineering2017，3，5： | 16 |
| 3 | Effects of dietary threonine:lysine ratioes and sanitary conditions on performance, plasma urea nitrogen, plasma-free threonine and lysine of weaned pigs显示文摘Two 21 d-experiments were conducted to determine the optimum standardized ileal digestible(SID)threonine:lysine ratio(Thr:Lys) for weaned piglets reared under clean(Exp. 1) or unclean(Exp. 2) sanitary conditions and fed antibiotic-free diets. In each experiment, 90 mixed-sex pigs(Duroc × [Yorkshire × Landrace]; initial BW 7.2 ± 0.3 kg) were randomly assigned to 5 dietary treatments each with 6 replicates(3 pigs per pen). The dietary treatments were 5 graded levels of SID Thr:Lys(55,59, 63, 67 and 71%). Diets were corn-wheat-soybean meal-based with a constant SID Lys of 1.18% that was set to be second limiting amino acid. In Exp. 1 and Exp. 2, plasma-free Thr increased(P = 0.05) with increasing dietary SID Thr:Lys. In Exp. 1, the SID Thr:Lys for gain-to-feed ratio(G:F) was optimized at 65%.In Exp. 2, the estimated optimal SID Thr:Lys for overall G:F was 66.5%. In conclusion, an average optimal SID Thr:Lys of 65 and 66.5% could be used to optimize feed efficiency for weaned pigs under clean and unclean sanitary conditions, respectively. | Balachandar Jayaraman John Htoo Charles Martin Nyachoti | 2015 | Animal Nutrition2015，，4： | 6 |
| 4 | Combined effects of chitosan and microencapsulated Enterococcus faecalis CG1.0007 probiotic supplementation on performance and diarrhea incidences in enterotoxigenic Escherichia coli K88^+ challenged piglets显示文摘The aim of this study was to investigate the combined effects of chitosan oligosaccharide(COS) and a microencapsulated Enterococcus faecalis CG1.0007 probiotic(PRO) on growth performance and diarrhea incidences in enterotoxigenic Escherichia coli(ETEC) K88^+ challenged piglets in a 14-d study. Thirty piglets,7.19 ± 0.52 kg initial BW weaned at 21 ± 1 d.were allotted to 5 treatment groups(n = 6)consisting of a corn-soybean meal diet with no additive(negative control, NC), NC + 0.25% chlortetracycline(positive control, PC), NC + 400 mg/kg COS(COS), NC + 100 mg/kg PRO(PRO) and NC + a combination of COS and PRO(CPRO). Pigs were individually housed in cages, acclimated to treatments for a 7-d period and had ad libitum access to feed and water throughout the study, On d 8, pigs were weighed, blood samples were collected, and then orally challenged with 6 mL(1 ×10^(11) cfu/mL) of freshly grown ETEC inoculum. During post-challenge period, blood was sampled at 24 and 48 h to determine plasma urea nitrogen(PUN), and diarrhea incidences and fecal consistency scores were recorded from d 9 to 12. On d 14, all pigs were weighed and then euthanized to obtain intestinal tissue samples for histomorphometric measurements. Growth performance responses were similar among treatments during the pre-and post-challenge periods. There were no significant differences in PUN content, incidences of diarrhea, and fecal consistency scores among treatments. The intestinal histomorphology results did not differ significantly among treatments except for PC with increased(P = 0.0001) villus:crypt ratio compared with the NC. Under the conditions of the present study, it can be concluded that supplementation of piglet diets with 400 mg/kg COS, 100 mg/kg microencapsulated PRO or their combination did not significantly improve piglet growth performance both during the pre-and post-ETEC K88+ oral inoculation. Also, there were no significant reduction of incidences and severity of diarrhea after challenge compared with the control group. | Kolawole Aluko Deepak E.Velayudhan Ehsan Khafipour Aike Li Yulong Yin Martin Nyachoti | 2017 | Animal Nutrition2017，，4： | 4 |
| 5 | 高纤维日粮对猪营养和代谢的影响:对猪营养的影响(一)显示文摘本文是《高纤维日粮对猪营养和代谢的影响》的第二部分,主要介绍日粮纤维对猪营养的影响,包括日粮纤维对猪生长性能、营养物质消化率、脏器的影响。 | 韩浩月(译) 唐彩琰(审) Atta K.Agyekum C.Martin Nyachoti | 2019 | 国外畜牧学(猪与禽)2019，39，2： | 2 |
| 6 | Effect of dietary supplementation of chitosan and galacto-mannan-oligo- saecharides on serum parameters and the insulin-like growth factor-I mRNA expression in early weaned pig- lets显示文摘 | Tang Z R Yin Y L Nyachoti C M | 2005 | Domest Anim Endocrin2005，28，： | 1 |
| 7 | Effects of dietary supplemen -tation of chitosan and galacto - mannan - oligosac- charide on serum parameters and the insulin - like growth factor - 1 mRNA expression in early - weaned piglets 显示文摘 | Tang Z R Yin Y L Nyachoti C M | 2005 | Domest Anim Endocrin2005，28，5： | 1 |
| 8 | 仔猪营养与肠道健康显示文摘断奶后腹泻是全球仔猪发病和死亡的一个重要原因,据估计占断奶仔猪生产经济损失50%之多。在患有此病的猪群中,断奶仔猪的死亡率高达2%,更重要的是,患病率和感染后存活仔猪的生长性能下降(Culter等,2007)。传统上,养猪业采用高度易消化日粮控制此病,这种日粮中通常含有亚治疗水平的抗生素作为生长促进剂。然而,目前的发展趋势是停止在家畜日粮中添加抗生素,因为担心这种做法会对人体健康产生风险。因此,采用无抗生素饲喂方案的仔猪有必要寻求安全有效的替代方案,以控制断奶后腹泻。迄今为止,已经推荐了多类替代产品,包括喷雾干燥血浆粉、酸化剂、高含量锌盐和铜盐、益生菌、益生元、核苷酸及富含核苷酸类产品、香精油、卵黄抗体、溶菌酶、草药和调味料等。总体而言,有足够的证据表明这些添加剂可有效促进断奶仔猪的肠道健康和功能,不过对最佳使用条件以及协同作用并提供最大功效的组合还需要更多了解。 | 张江 Martin Nyachoti | 2013 | 国外畜牧学(猪与禽)2013，，11： | 1 |
| 9 | Effect of dietary supplementa- tion of chitosan and galacto-mannan-oligosaccharide on serum parameters and the insulin-like growth factor-lmRNA expression in early weaned piglets 显示文摘 | Tang Z R Yin Y L Nyachoti C M | 2005 | Domestic Animal Endocrinology2005，28，： | 1 |
| 10 | Sorghum tannins:A review显示文摘 | NYACHOTI C M ATKINSON J L LEESON S | 1997 | Worlds Poultry Science Journ1997，53，53： | 1 |
| 11 | Lipopolysaccharide immune stimulation but not β-mannanase supplementation affects maintenance energy requirements in young weaned pigs显示文摘Background: Pathogen or diet-induced immune activation can partition energy and nutrients away from growth,but clear relationships between immune responses and the direction and magnitude of energy partitioning responses have yet to be elucidated. The objectives were to determine how β-mannanase supplementation and lipopolysaccharide(LPS) immune stimulation affect maintenance energy requirements(ME_m) and to characterize immune parameters, digestibility, growth performance, and energy balance.Methods: In a randomized complete block design, 30 young weaned pigs were assigned to either the control treatment(CON; basal corn, soybean meal and soybean hul s diet), the enzyme treatment(ENZ; basal diet + 0.056% β-mannanase),or the immune system stimulation treatment(ISS; basal diet + 0.056% β-mannanase, chal enged with repeated increasing doses of Escherichia coli LPS). The experiment consisted of a 10-d adaptation period, 5-d digestibility and nitrogen balance measurement, 22 h of heat production(HP) measurements, and 12 h of fasting HP measurements in indirect calorimetry chambers. The immune chal enge consisted of 4 injections of either LPS(ISS) or sterile saline(CON and ENZ), one every48 h beginning on d 10. Blood was collected pre-and post-challenge for complete blood counts with differential,haptoglobin and mannan binding lectin, 12 cytokines, and glucose and insulin concentrations.Results: Beta-mannanase supplementation did not affect immune status, nutrient digestibility, growth performance,energy balance, or MEm. The ISS treatment induced fever, elevated proinflammatory cytokines and decreased leukocyte concentrations(P < 0.05). The ISS treatment did not impact nitrogen balance or nutrient digestibility(P > 0.10),but increased total HP(21%) and MEm(23%), resulting in decreased lipid deposition(-30%) and average daily gain(-18%)(P < 0.05).Conclusions: This experiment provides novel data on β-mannanase supplementation effects on immune parameters and energy balance in pigs and is the first to directly relate decreased ADG to increased MEm independent of changes in feed intake in immune challenged pigs. Immune stimulation increased energy partitioning to the immune system by 23% which limited lipid deposition and weight gain. Understanding energy and nutrient partitioning in immune-stressed pigs may provide insight into more effective feeding and management strategies. | Nichole F.Huntley C.Martin Nyachoti John F.Patience | 2018 | Journal of Animal Science and Biotechnology2018，9，4： | 1 |
| 12 | Significance of endogenous gut nitrogen losses in the nutrition of growing pigs:a review显示文摘 | Nyachoti C M de Lange C F M McBride B W | 1997 | Canada Animal Science1997，77，： | 1 |
| 13 | Perfor-mance responses and indicators of gastrointestinal health in ear-ly-weaned pigs fed low-protein amino acid-supplemented diets显示文摘 | Nyachoti C M Omogbenigun F O Rademacher M | 2006 | Journal of Animal Science2006，84，1： | 1 |
| 14 | Significance of endogenous gut nitrogen losses in the nutrition of growing pigs:a review显示文摘 | Nyachoti C M de Lange C F M McBride B W | 1997 | Can J Anim Sci1997，77，1： | 1 |
| 15 | Determination of the net energy content of canola meal from Brassica napus yellow and Brassica juncea yellow fed to growing pigs using indirect calorimetry显示文摘 | HEO J M ADEWOLE D NYACHOTI M | 2014 | Animal Science Journal2014，85，7： | 1 |
| 16 | Estimating endogenous amino acid flows at the terminal ileum and true ileal amino acid digestibilities in feedstuffs for growing pigs using the homoarginine method显示文摘 | Nyachoti C M de Lange C F M Schulze H | 1997 | J Anim Sci1997，75，： | 1 |
| 17 | Effect of dietary supplementation of chitosan and galacto-mannan-oligosaecharide on serum parameters and the insulin-like growth factor I mRNA expression in early-weaned piglets 显示文摘 | Tang Z R Yin Y L Nyachoti C M | 2005 | Domestic Animal Endocrinology2005，28，4： | 1 |
| 18 | Evaluation of alternatives to antibiotics using an Escherichia coli K88+model of piglet diarrhea:Effects on gut microbial ecology显示文摘 | Bhandari S Xu B Nyachoti C | 2008 | Journal of animal science2008，86，4： | 1 |
| 19 | Dietary supplementation with multienzyme preparations improves nutrient utilization and growth performance in weaned pigs显示文摘 | Omogbenigun F O Nyachoti C M Slominski B A | 2004 | J Anim Sci2004，82，： | 1 |
| 20 | Response of early-weaned pigs to an enterotoxigenic Esherichia coli (K88) challenge when fed diets containing spray-dried porcine plas- ma or pea protein isolate plus egg yolk antibody, zinc oxide, fumaric acid or antibiotic显示文摘 | Owusu-Asiedu A Nyachoti C M Marquardt R R | 2003 | J Anim Sci2003，81，： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员