检索结果-南通市图书馆

rumen fermentation and bacterial communities in weaned Chahaer lambs on diets with different protein levels

Journal of Integrative Agriculture 2016年第7期15卷 1564-1574页

作者： YANG Chun-tao SI Bing-wen DIAO Qi-yu JIN Hai ZENG Shu-qin TU Yan Feed Research Institute Chinese Academy of Agricultural Sciences/Key Laboratory of Feed BiotechnologyMinistry of AgricultureBeijing 100081P.R.China Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences Huhhot 010000P.R.China

We evaluatedthe effects of diets with different crude protein （CP） levels on growth performance, rumen fermentation and bacterial communities in weaned Chahaer lambs. 128 weaned Chahaer lambs （（20.56±1.43） kg body weight; ram：ewe 1：1） aged （61±1.85） d were randomly alotted to one of four diets with CP content of 11.17% （T1）, 12.06% （T2）, 13.40% （T3） or 14.36% （T4）.Ruminal fermentation parameters were measured and bacterial communities were analysed using PCR-dena-turing gradient gel electrophoresis （PCR-DGGE） and quantitative PCR. The average daily gain and feed utilization efifciency in T3 were higher than those in the other groups （P〈0.05）, although the dry matter intake and metabolizable energy intake were similar. Total volatile fatty acid concentration in the ruminal lfuid of T3 was lower than that of T1 （P=0.011）, T2 （P=0.008） or T4 （P=0.309）. The ammonia nitrogen concentration and acetate/propionate ratio of ruminal lfuid were signiifcantly higher in lambs fed the higher CP diets, whereas the molar concentrations of propionate and butyrate of ruminal lfuid were lower. The rumen bacterial community was similar in T2 and T3 which shown more stable and diverse rumen microbes ecosystem compared with the other groups. The DGGE proifles and phylogenetic tree indicated thatBacteroides uniformis,Clostrid-iumalkalicellulosi,Alkalibaculum *** common bacterium of Chahaer lamb rumen. B. uniformis,***,Saccharofermentanssp. andGracilibacter thermotolerans,which belong to the Bacteroidetes and Firmicutesphyla,were the dominant species in the rumen of lambs fed 13.40% ***,Ruminococcus albus, Ruminococcus lfavefaciensand Butyrivibrio ifbrisolvenswerenot differentin lambs fed different CP diets. Therefore, it could be concluded thatB. uniformis,***,A. *** common bacteria of Chahaer lamb rumen. Furthermore, the dietary CP of 13.04% could improve performance and change rumen fermentati

关键词： dietary crude protein rumen fermentation bacterial diversity weaned lamb PCR-DGGE

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effect of dioscorea opposite waste on growth performance, blood parameters, rumen fermentation and rumen bacterial community in weaned lambs

引用

Journal of Integrative Agriculture 2023年第6期22卷 1833-1846页

作者： GUO Yun-xia YANG Ruo-chen DUAN Chun-hui WANG Yong HAO Qing-hong JI Shou-kun YAN Hui ZHANG Ying-jie LIU Yue-qin College of Animal Science and Technology Hebei Agricultural UniversityBaoding 071000P.R.China College of Life Sciences Hebei Agricultural UniversityBaoding 071000P.R.China Engineering Research Center for Utilization of Agricultural Waste Resources Baoding 071001P.R.China

This study investigated the effects of dioscorea opposite waste(DOW) on the growth performance, blood parameters, rumen fermentation and rumen microbiota of weaned lambs. Sixty healthy weaned Small-Tailed Han lambs(male,(22.68±2.56) kg initially) were used as the experimental animals. Four levels of concentrate: 0(control, CON), 10%(DOW1), 15%(DOW2) and 20%(DOW3), were replaced with DOW in the basal diet as experimental treatments. The results showed that lambs fed the DOW2 diet had a higher(P0.05) among DOW groups in average daily weight gain(ADG), and replacing concentrate with DOW linearly or quadratically increased(P<0.05) the ADG, while lambs fed the DOW2 diet showed greater(P<0.05) ADG than the CON group. The relative plasma concentration of growth hormone(GH), insulin like growth factor-1(IGF-1) and insulin were affected by DOW, replacing concentrate with DOW linearly or quadratically(P<0.05) enhanced the plasma concentration of GH, IGF-1 and insulin, which was significantly higher(P<0.05) in the DOW2 group than in the CON, DOW1 and DOW3 groups. In addition, the DOW treatment showed a lower(P<0.05) concentration of blood urea nitrogen(BUN) than the CON group. Replacing concentrate with DOW quadratically decreased(P<0.05) the ruminal ammonia nitrogen(NH3-N) and increased(P<0.05) the total of volatile fatty acids(TVFAs) at 0 and 4 h after feeding as well as linearly decreased(P<0.05) the NH3-N at 8 h after feeding. Replacing concentrate with DOW linearly decreased(P<0.05) the propionate and increased the aceate before feeding, and linearly decreased(P<0.05) propionate and quadratically increased(P<0.05) the aceate at 4 and 8 h after feeding. Lambs fed the DOW2 diet increased the phylum Firmicutes and genera Succiniclasticum and Ruminococcus_1 groups, whereas decreased(P<0.05) the relative abundance of phylum Deferribacteres and genera intestinimonas and Ruminiclostridium.

关键词： lamb dioscorea opposite waste growth performance blood parameters rumen fermentation rumen microflora

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

How neonatal diet affects the long-term development of rumination behavior,rumen fermentation and feed digestion in dairy calves fed a high milk level?

引用

Animal Nutrition 2024年第1期16卷 326-337页

作者： Jianxin Xiao Tianyu Chen Rong Peng Gibson M.Alugongo Hui Yang Shuai Liu Yulin Ma Jingjun Wang Shengli Li Zhijun Cao State Key Laboratory of Animal Nutrition and Feeding International Calf and Heifer OrganizationCollege of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China Key Laboratory of Low Carbon Culture and Safety Production in Cattle in Sichuan Animal Nutrition InstituteSichuan Agricultural UniversityChengdu 611130China

This study was to investigate growth performance,rumination development,rumen fermentation and feed digestion in young calves provided high volumes(about 20%of calf birth weight)of milk with or without forage inclusion and how these parameters correlate with each *** after birth,160 newborn Holstein female calves(41.6±4.2 kg of initial BW)were randomly divided into 2 treatments:1)starter(CON,only starter)and 2)starter and hay(HAY,both starter and hay).The calves were fed their respective experimental diets from d 4 to 84,after which they were all introduced to similar diets until the end of the experiment on d *** had no effect on growth and structural measurements throughout the experimental ***,treatment had an effect on the other parameters,mainly during the post-weaning *** supplementation tended to reduce starter dry matter intake(P=0.05),while increasing the forage intake(P<0.01)and the feed-to-gain ratio(P<0.01).HAY calves had increased neutral detergent fiber(NDF)and physically effective NDF(peNDF)intakes(P<0.05)and tended to lower(P<0.01)starch intake compared to CON *** HAY calves had a higher rumination time(P<0.01),ruminal pH(P<0.01),and acetate-to-propionate ratio(P=0.05)compared to the CON *** correlation analysis showed that rumination time was positively related to the ruminal p H at d 84(P=0.01)and 196(P=0.02).The HAY calves had similar apparent total-tract digestibility of dry matter(DM),NDF and ether extract(EE),but lower digestibility of organic matter(OM,P=0.03),crude protein(CP,P<0.01)and starch(P<0.01)compared to those of the CON calves at week ***,there were no positive relationships between rumination time and nutrient digestibility or between rumination time per kilogram DM and nutrient *** conclusion,feeding hay to calves fed a high milk level improved rumination during the post-weaning period only,without a concomitant effect on growth performance thro

关键词： Neonatal calf Early forage feeding Rumination rumen fermentation Nutrient digestibility

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effects of formic acid and corn flour supplementation of banana pseudostem silages on nutritional quality of silage,growth,digestion,rumen fermentation and cellulolytic bacterial community of Nubian black goats

引用

Journal of Integrative Agriculture 2021年第8期20卷 2214-2226页

作者： Zhang Hao Cheng Xuan Mabrouk ELSABAGH Lin Bo Wang Hong-rong Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition College of Animal Science and TechnologyYangzhou UniversityYangzhou 225009P.R.China Joint International Research Laboratory of Agriculture and Agri-Product Safety Ministry of Education/Yangzhou UniversityYangzhou 225009P.R.China Department of Animal Production and Technologies Faculty of Agricultural Sciences and TechnologiesNiğdeÖmer Halisdemir UniversityNiğde 51240Turkey Department of Nutrition and Clinical Nutrition Faculty of Veterinary MedicineKafrelsheikh UniversityKafr El-Sheikh 33516Egypt College of Animal Science Guangxi UniversityNanning 530004P.R.China

The objective of this study was to evaluate the effects of adding formic acid and corn flour supplementation to banana pseudostem silages on the nutritional quality of these silages,growth,digestion,rumen fermentation and cellulolytic bacterial community of Nubian black goats fed these *** pseudostem silage was prepared either conventionally without any additives(CON)or mixed with 0.6% formic acid(F),10% corn flour(C),or both(F+C).Four experimental diets containing 40% of the corresponding silages were designed with roughage to concentrate ratio of 50:50(dry matter(DM)basis).A total of 48 Nubian black castrated goats(body weight(BW),(22.64±1.82)kg;4-mon-old)were randomized into one of the four treatment groups with 12 replicates of one castrated goat per replicate for each treatment in a completely randomized *** group was fed on one of the four experimental diets for 40 days.A factorial arrangement of treatments of 2(formic acid levels:0 and 0.6%)×2(corn flour:0 and 10%)was *** acid supplementation increased(P0.05)for any of the other indices except for the apparent digestibility of non-fibrous carbohydrate(NFC)(P<0.05).The results demonstrated that adding 0.6% formic acid and 10% corn flour supplementation to banana pseudostem silages improved the nutritional quality of these silages and enhanced the growth performance of Nub

关键词： banana pseudostem silage goat nutrient digestion rumen fermentation ruminal cellulolytic bacteria

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Active dry yeast supplementation improves the growth performance,rumen fermentation, and immune response of weaned beef calves

引用

Animal Nutrition 2021年第4期7卷 1352-1359页

作者： Jian Ma Cheng Wang Zhisheng Wang Guang Cao Rui Hu Xueying Wang Huawei Zou Kun Kang Quanhui Peng Bai Xue Lizhi Wang Yueming Zhu Xiaopeng Zhu Low Carbon Breeding Cattle and Safety Production University Key Laboratory of Sichuan Province Animal Nutrition InstituteSichuan Agricultural UniversityChengdu 611130China Angel Yeast Co. Ltd.Yichang 443000China Zhangye Comprehensive Experimental Station of National Yak and Beef Industrial Technology System Zhangye 734000China

The objective of this experiment was to investigate the potential benefits of active dry yeast(ADY)on the growth performance,rumen fermentation,nutrient digestibility,and serum parameters of weaned beef *** Simmental crossbred male calves(body weight=86.47±4.41 kg and 70±4 d of age)were randomly divided into 2 groups:control(CON)(fed basal ration)and ADY(fed basal ration and 5 g/d ADY per calf).The dietary concentrate-to-roughage ratio was 35:*** the calves were regularly provided rations 3 times a day at 07:00,13:00,and 19:00 and had free access to wate *** experiment lasted for 60 *** average daily gain of ADY group was higher(P=0.007)than that of the CON group,and the ratio of feed intake to average daily gain in the ADY group was reduced(P=0.022)as compared to the CON *** concentration of ruminal ammonia-N was higher(P=0.023)in the CON group than that in the ADY group,but an opposite trend of microbial protein was found between the 2 ***,the ruminal concentrations of propionate and butyrate were higher(Prumen fermentation,nutrient digestibility,antioxidant ability,and immune response of weaned beef calves.

关键词： Active dry yeast Weaned beef calf Growth performance rumen fermentation Nutrient digestibility Immune response

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Influence of yeast on rumen fermentation,growth performance and quality of products in ruminants:A review

引用

Animal Nutrition 2021年第1期7卷 31-41页

作者： Abdulmumini B.Amin Shengyong Mao Centre for Ruminant Nutrition and Feed Engineering Research College of Animal Science and TechnologyNanjing Agricultural UniversityNanjing210095China Department of Animal Science Federal University DutseP.M.B 7156DutseJigawa StateNigeria Jilin Inter-Regional Cooperation Centre for the Scientific and Technological Innovation of Ruminant Precision Nutrition and Smart and Ecological Farming 132109JilinChina

This review aims to give an overview of the efficacy of yeast supplementation on growth performance,rumen pH,rumen microbiota,and their relationship to meat and milk quality in *** practice of feeding high grain diets to ruminants in an effort to increase growth rate and weight gain usually results in excess deposition of saturated fatty acids in animal products and increased incidence of rumen *** supplementation of yeast at the right dose and viability level could counteract the acidotic effects of these high grain diets in the rumen and positively modify the fatty acid composition of animal *** exerts its actions by competing with lactate-producing(Streptococcus bovis and Lacto-bacillus)bacteria for available sugar and encouraging the growth of lactate-utilising bacteria(Mega-sphaera elsdenii).*** is known to convert lactate into butyrate and propionate leading to a decrease in the accumulation of lactate thereby resulting in higher rumen ***,this creates a conducive environment for the proliferation of vaccenic acid-producing bacteria(Butyrivibrio fibrisolvens)and ciliate protozoa,both of which have been reported to increase the ruminal concentration of trans-11 and cis-9,trans-11-conjugated linoleic acid(CLA)at a pH range between 5.6 and *** addition of yeast into the diet of ruminants has also been reported to positively modify rumen biohydrogenation pathway to synthesise more of the beneficial biohydrogenation intermediates(trans-11 and cis-9,trans-11).This implies that more dietary sources of linoleic acid,linolenic acid,and oleic acid along with beneficial biohydrogenation intermediates(cis-9,trans-11-CLA,and trans-11)would escape complete bio-hydrogenation in the rumen to be absorbed into milk and ***,further studies are required to substantiate our ***,techniques like transcriptomics should be employed to identify the mRNA transcript expression levels of genes like stearoyl-CoA des

关键词： Yeast rumen fermentation Conjugated linoleic acid Biohydrogenation Milk yield Meat quality

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A comparison of average daily gain,apparent digestibilities,energy balance,rumen fermentation parameters,and serum metabolites between yaks(Bos grunniens)and Qaidam cattle(Bos taurus)consuming diets differing in energy level

引用

Animal Nutrition 2023年第1期12卷 77-86页

作者： Hu Liu Jianwei Zhou Allan Degen Hongshan Liu Xuliang Cao Lizhuang Hao Zhanhuan Shang Tao Ran Ruijun Long State Key Laboratory of Grassland Agro-Ecosystems Key Laboratory of Grassland Livestock Industry Innovation Ministry of Agriculture and Rural Affairs Engineering Research Center of Grassland IndustryMinistry of EducationCollege of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhou730000China International Centre for Tibetan Plateau Ecosystem Management College of EcologyLanzhou UniversityLanzhou730000China Desert Animal Adaptations and Husbandry Wyler Department of Dryland AgricultureBlaustein Institutes for Desert ResearchBen-Gurion University of NegevBeer Sheva8410500Israel Key Laboratory of Plateau Grazing Animal Nutrition and Feed Science of Qinghai Province Qinghai Academy of Animal Science and Veterinary MedicineState Key Laboratory of Plateau Ecology and AgricultureQinghai UniversityXining810016China

Yaks(Bos grunniens),indigenous to the harsh Qinghai-Tibetan Plateau,are well adapted to the severe conditions,and graze natural pasture without supplements all year *** cattle(Bos taurus),introduced to the Qinghai-Tibetan Plateau 1,700 years ago,are raised at a lower altitude than yaks,provided with shelter at night and offered supplements in *** on their different backgrounds,we hypothesized that yaks have lower energy requirements for maintenance than *** test this hypothesis,we measured average daily gain(ADG),apparent digestibilities,energy balance,rumen fermentation parameters,and serum metabolites in growing yaks and cattle offered diets differing in metabolizable energy(ME)levels(6.62,8.02,9.42 and 10.80 MJ/kg),but with the same crude protein *** castrated yaks(155±5.8 kg)and 6 castrated Qaidam cattle(154±8.0 kg),all 2.5 years old,were used in 2 concurrent 4×4 Latin square *** and acid detergent fiber digestibilities were greater(P<0.05)in yaks than in cattle,and decreased linearly(P<0.05)with increasing dietary energy level;whereas,digestibilities of dry matter,organic matter,crude protein and ether extract increased(P<0.05)linearly with increasing energy *** ADG was greater(P<0.001)in yaks than in cattle,and increased(P<0.05)linearly with increasing energy *** the regressions of ADG on ME intake,the estimated ME requirement for maintenance was lower(P<0.05)in yaks than in cattle(0.43 vs.0.57 MJ/kg BW0.75).The ratios of digestible energy(DE):gross energy and ME:DE were higher(P<0.05)in yaks than in cattle,and increased(P<0.05)linearly with increasing dietary energy *** pH decreased(P<0.05),whereas concentrations of total volatile fatty acids(VFAs)and ammonia increased(P<0.01)with increasing dietary energy level,and all were greater(P<0.05)in yaks than in *** of ruminal acetate and iso-VFAs were greater(P<0.05),whereas propionate was lower(P<0.05)in yaks than in cattle

关键词： Yaks Dietary energy level Average daily gain Apparent digestibility rumen fermentation Serum metabolite

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effects of Increasing Non-Fiber Carbohydrate to Neutral Detergent Fiber Ratio on rumen fermentation and Microbiota in Goats

引用

Journal of Integrative Agriculture 2013年第2期12卷 319-326页

作者： LIU Da-cheng ZHOU Xiang-li ZHAO Pei-ting GAO Min HAN Hao-qi HU Hong-lian College of Veterinary Medicine Inner Mongolia Agricultural University Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease of Ministry of Agriculture Animal Nutrition Institute of Agriculture and Animal Husbandry Academy of Inner Mongolia

Six rumen-cannulated lactating Guanzhong goats were used to investigate changes in ruminal fermentation pattern and the microbiota following a subacute rtmainal acidosis （SARA） inducing procedure. Induction of SARA was performed by increasing dietary non-fiber carbohydrate （NFC） to neutral detergent fiber （NDF） ratio from 1.02 （stage 1） to 1.24 （stage 2）, 1.63 （stage 3） and 2.58 （stage 4）. A dynamic pH monitoring system, real-time fluorescent quantitative PCR and conventional anaerobic culture were used to assess changes in ruminal pH and microbiota. Results indicated that rumen fermentation patterns changed significantly with increased NFC：NDF ratio. The decline in ruminal pH was caused by increased ruminal total volatile fatty acids （TVFA）, which was mainly attributed to a significant increase in ruminal butyrate, rather than the accumulation of ruminal lactic acid. In addition, in the course of SARA, the number of rumen microoganisms altered significantly, with increases in ruminal amylolytic bacteria, Lactobacilli, Streptococcus bovis and Megasphaera elsdenii, the latter particularly dramatically indicating that it may be the main factor responsible for the increase in butyrate, and decrease in protozoa.

关键词： rumen fermentation rumen microorganisms subacute ruminal acidosis goat

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effects of urea plus nitrate pretreated rice straw and corn oil supplementation on fiber digestibility,nitrogen balance,rumen fermentation,microbiota and methane emissions in goats

引用

Journal of Animal Science and Biotechnology 2019年第2期10卷 491-500页

作者： Xiumin Zhang Rodolfo F.Medrano Min Wang Karen A.Beauchemin Zhiyuan Ma Rong Wang Jiangnan Wen Lukuyu A.Bernard Zhiliang Tan Key Laboratory for Agro-Ecological Processes in Subtropical Region National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry ProductionInstitute of Subtropical AgricultureChinese Academy of SciencesChangsha 410125HunanChina University of the Chinese Academy of Sciences Beijing 100049China College of Veterinary Science and Medicine Central Luzon State UniversityScience City of Munoz3120 Nueva EcijaPhilippines College of Animal Science and Technology Hunan Agricultural UniversityChangsha 410128People’s Republic of China Agriculture and Agri-Food Canada Lethbridge Research and Development CentreLethbridgeAlberta T1J 4B1Canada International livestock Research Institute POB 30709Nairobi 00100Kenya.

Background: Urea pretreatment is an efficient strategy to improve fiber digestibility of low quality roughages for ruminants. Nitrate and oil are usually used to inhibit enteric methane(CH4) emissions from ruminants. The objective of this study was to examine the combined effects of urea plus nitrate pretreated rice straw and corn oil supplementation to the diet on nutrient digestibility, nitrogen(N) balance, CH4 emissions, ruminal fermentation characteristics and microbiota in goats. Nine female goats were used in a triple 3 × 3 Latin Square design(27 d periods). The treatments were: control(untreated rice straw, no added corn oil), rice straw pretreated with urea and nitrate(34 and 4.7 g/kg of rice straw on a dry matter [DM] basis, respectively, UN), and UN diet supplemented with corn oil(15 g/kg soybean and15 g/kg corn were replaced by 30 g/kg corn oil, DM basis, UNCO).Results: Compared with control, UN increased neutral detergent fiber(NDF) digestibility(P rumen, but decreased N retention(-21.2%, P < 0.001), dissolved hydrogen concentration(-22.8%, P < 0.001), molar proportion of butyrate(-18.2%, P < 0.05),(acetate + butyrate) to propionate ratio(P < 0.05) and enteric CH4 emissions(-10.2%, P < 0.05). In comparison with UN, UNCO increased N retention(+34.9%, P < 0.001) and decreased copies of protozoa(P < 0.001) and methanogens(P < 0.001). Compared with control, UNCO increased NDF digestibility(+8.3%, P < 0.001), reduced ruminal dissolved CH4 concentration(-24.4%, P < 0.001) and enteric CH4 emissions(-12.6%, P < 0.05).Conclusions: A combination of rice straw pretreated with urea plus nitrate and corn oil supplementation of the diet improved fiber digestibility and lowered enteric CH4 emissions without negative effects on N retention. These strategies improved the utilization of rice straw by goats.

关键词： Dissolved hydrogen Methane Nitrate Oil rumen fermentation Urea

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Long-term and combined effects of N-[2-(nitrooxy)ethyl]-3-pyridinecarboxamide and fumaric acid on methane production,rumen fermentation, and lactation performance in dairy goats

引用

Journal of Animal Science and Biotechnology 2022年第3期13卷 852-863页

作者： Zongjun Li Xinjian Lei Xiaoxu Chen Qingyan Yin Jing Shen Junhu Yao College of Animal Science and Technology Northwest A&F UniversityYangling 712100ShaanxiChina

Background:In recent years,nitrooxy compounds have been identified as promising inhibitors of methanogenesis in ***,when animals receive a nitrooxy compound,a high portion of the spared hydrogen is eructated as gas,which partly offsets the energy savings of *** objective of the present study was to evaluate the long-term and combined effects of supplementation with N-[2-(nitrooxy)ethyl]-3-pyridinecarboxamide(NPD),a methanogenesis inhibitor,and fumaric acid(FUM),a hydrogen sink,on enteric CH4production,rumen fermentation,bacterial populations,apparent nutrient digestibility,and lactation performance of dairy ***:Twenty-four primiparous dairy goats were used in a randomized complete block design with a 2×2factorial arrangement of treatments:supplementation without or with FUM(32 g/d)or NPD(0.5 g/d).All samples were collected every 3 weeks during a 12-week feeding *** FUM and NPD supplementation persistently inhibited CH4yield(L/kg DMI,by 18.8%and 18.1%,respectively)without negative influence on DMI or apparent nutrient *** supplemented in combination,no additive CH4suppression was *** showed greater responses in increasing the molar proportion of propionate when supplemented with NPD than supplemented alone(by 10.2%vs.4.4%).The rumen microbiota structure in the animals receiving FUM was different from that of the other animals,particularly changed the structure of phylum *** milk production and serum total antioxidant capacity were improved by NPD,but the contents of milk fat and protein were decreased,probably due to the bioactivity of absorbed NPD on body ***:Supplementing NPD and FUM in combination is a promising way to persistently inhibit CH4emissions with a higher rumen propionate ***,the side effects of this nitrooxy compound on animals and its residues in animal products need further evaluation before it can be used as an animal feed additiv

关键词： Bacterial populations Dairy goat Fumaric acid Lactation performance Methane emissions N-[2-(nitrooxy)ethyl]-3-pyridinecarboxamide rumen fermentation

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：