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粗饲料的微生物处理

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2021-02-09 23:23
tags:

-

2021年2月9日发(作者:ripe)


promotion of empl


oyment, form a reasonabl


e and orderly pattern of income


distribution, build a m


ore fair and sustainable


social se


curity systems, me


dical a


nd


health system reform. The ple


nary, i


nnovation of social gover


nance, must focus


on the maintena


nce of fundamental interest


s of the over


whelming majority of the pe


opl


e, maximize factors, e


nha


nce


social devel


opme


nt, improvi


ng social gover


nance, the interests


of national security,


ensure that the


pe


ople live a


nd w


ork, social sta


bility and order.


o improve soci


al governa


nce, stimulati


ng social orga


nization, innovative a


nd effective system of preventi


ng and resolvi


ng social


confli


cts, improvi


ng the


public security system, set up the Nati


ona


l Security


Council, nati


onal


security systems and nati


onal security strategy to ensure nati


onal security. Plenary sessi


on, t


he constr


ucti


on of ecologi


cal civ


ilization, you must esta


blish


systems of ecol


ogical sy


stem, usi


ng the system to


protect the ecologi


cal envir


onment.


o improve natural re


sour


ces asset pr


operty right system a


nd use control


red line of delimitation


of ecol


ogical


protecti


on, re


sources


paid


use system a


nd e


col


ogical compe


nsati


on system in


ecological environment pr


otecti


on manag


ement system reform. Ple


nary session, ce


ntering


on buil


ding a liste


ning party command, ca


n win a


nd


having a fine


style of the people's army, a strong army under the


new sit


uation


of the party Goals, re


stricting t


he devel


opme


nt of national defe


nse a


nd army buildi


ng is solved outstanding


contra


dicti


ons a


nd


problems, innovati


on a


nd development of military the


ory, e


nha


nce military strategi


c guidance, improve t


he military strategy in t


he new


period, buil


ding a modern military force system with Chine


se characteristi


cs.


o deepe


n the a


djustment of personnel system reform in the arm


y, military poli


cy and system reform, promote t


he devel


opme


nt of military and


civilia


n integration de


pth.


Plenary


sessi


on stre


ssed t


hat com


prehe


nsive reform must be to strengt


hen a


nd impr


ove the party's leader


shi


p, give full play to the core r


ole of the


party commands t


he overall sit


uation and


coor


dinati


ng all parties, improvi


ng the party's lea


ding water ... Margi


n. Challenge


d the lea


dership


of the Communist Party of China, Marxism-Le


nini


sm and M


ao Zedong thoug


ht by De


ng Xia


o-ping'


s flag, repla


ced by t


hree repre


sentatives a


nd the harmonic society.


The former Communist Par


ty spirit and


social cohe


sion poi


nt of almost all


political makeover.


Chara


cteristics of socialism publi


c ow


nership i


s shifting to


private ow


nership,


planned reg


ulation and market regulation, the pr


oletarian regime


controlled


by the elite. Of univer


sal equality, fairness a


nd basic


principle


s of distri


buti


on system is socialist soci


ety, however after economic monopolize


d by


powerful


, vested intere


sts grow, employer


s do


not hav


e the same stat


us, hardly se


ems fair soci


al distri


buti


on.


State key protection of capital i


nterests rather t


han the interests


of citizens, ha


d bee


n hits t


he bottom of the proletariat


粗饲料的微生物处理



姓名:王红杨



班级 :动科系


08


级动营


3




学号:


3188


摘要:粗饲料是指在饲料中天然水分含量在


60%

以下,干物质中粗纤维含量等于或


高于


18%


,并以风干物形式饲喂的饲料。如牧草、农作物秸秆、酒糟等。


< p>
这类饲料


的营养价值一般较其他饲料低,消化能含量一般不超过

< p>
10.5MJ/kgDM


,有机物质消


化率在


65%


以下。


而地球上最丰富的多糖物质是 纤维素,


世界上


50%


的生物量来自天


然纤维素,


估计年产量在


100


亿吨~


500


亿吨。


作物秸秆等粗饲料是我国尚未充分利


用的一大饲料资源,其中进作物秸秆每年就有


5


亿多吨。但由于直接饲喂这类饲料


难以被动 物消化吸收,因此只有其中很少一部分在草食动物中得以利用,且大都仅


作填充料使用; 在猪禽等单胃动物中因纤维含量过高而基本未以利用。如何有效地


开发利用作物秸秆等粗 饲料资源,是国内外畜牧专家长期以来研究的重要课题。而


饲料微生物是做为畜、禽和鱼 类的饲料以及适用于加工或改善饲料质量的微生物。


在日益发展的基础上,


人们逐渐认识并利用微生物增加饲料新品种或改进饲料质量。



关键词:粗饲料



微生物处理



利用率



一.



粗饲料微生物处理的原理



利用某些有 益微生物,在适宜培养的条件下,分解秸秆中难以被家畜利用的纤


维素或木质素,并增加 菌体蛋白,维生素等有益物质,软化秸秆,改善味道,从而


提高粗饲料的营养价值。



二.



微生物的选择



微生物的种类很多,< /p>


但用于饲料生产真正有价值的是乳酸菌,纤维分解菌和某


些真菌。 在粗饲料微生物的处理方面,国外筛选出一批优良菌种用于发酵秸秆,如


层孔菌属,裂褶 菌属,多孔菌属,担子菌,酵母菌,木霉等。我国已经培育出一些


可供生产应用的优良菌 株,并有了成型的固体培养技术,已有一定的优势。



三.



菌种的要求



最初多采用单菌种发酵,


后来有研究者发现多菌种混合发酵效率更高,


但对相

< p>
应的菌种提出了更高的要求。


1.


能够分解纤维素。


2.


能够利用 有机氮转化为菌体


蛋白,合成和分泌更多的营养物质。


3.


能够改变原料的适口性。


4.


能够产生多种


分解酶。


5.


不产生有毒物质。


6.


具有促生长快的优势特性。


7.


菌体耐性高,不


容易自溶分解。


8.


如果用固体好氧发酵,注意选用耐高温的菌株。




.


微生物发酵秸秆饲喂动物情况

< p>


bvi


ousl


y, face China's Socialist system, the Communist Party is


not the party.


In that


case,


politi


cal chaos has


been very tig


ht. Is remodeli


ng or reconstr


ucti


on, i


s a corre


ction or a st


ove. Whether t


o turn rig


ht or left, is ba


ck to the


source or


put forwar


d new


politi


cal idea


s.


This is to determine the road


problems in


Chi


na, is al


so the key


out of the


dee


p water of the reform of the e


conomic sy


stem.


After 18, the new


Central colle


ctive leader


shi


p attache


s great importance to


politi


cal orie


ntation.


First, the


s


ng from the Ce


ntral Government's


self- restraint,


whi


ch prea


ches and pr


o-image,


broug


ht fresh feeling to t


he communit


y.


Secondly,


before reform and


ope


ning


up a


nd reform and openi


ng two


periods after non-negative, untying the tangle of the society a long time on t


his issue. T


hird, a


new ge


neration


of party l


eaders on various occa


sions to Ma


o Ze-Dong and Mao Ze


-Dong's t


houg


ht of evaluati


on has room for manoe


uvre, through to t


he ruli


ng ide


ology


of Mao Zedong thoug


ht,


is the call


of the soul to the Socia


list Revoluti


on a


nd constructi


on. Em


pty talks jeopardize


national interest


s and try again, is a


n affirmation of Deng


Xiao


-pi


ng's reform idea


s.


These strong politi


cal sig


nal showi


ng a new ge


neration of pol


itical lea


ders is sti


ll keepi


ng to the Socialist r


oad.


Four is revisiti


ng the


o Ze-Dong's hist


orical


cycle


of


nti-corr


uption and the im


portance of the


Constituti


on, re


organizati


on is


bad style


of officialdom, was to civilize people obey the la


w, while improvi


ng the


col


or change of the regime


of vigilance.


Five is to reform into dee


per waters a


nd stre


ssed t


hat top


-level design, this is a revie


w on t


he reform and


openi


ng up i


n the pa


st, is also looking for a way out.


Si


x foreign and Russi


a closer, the flexible attitude on the i


ssue of the Korean


peni


nsula, Sino- Ja


pane


se fishi


ng har


dline


Chi


na on the isla


nd


out of the


sha


dow


began to gradually plan development. Signs show that t


he new l


eadership


began t


o make a left turn in politics.


However, as


of right now


, not only i


deol


ogical


confusi


on i


n the communit


y, the


new lea


dershi


p's thi


nking i


s messy. New lea


ders


both


stresse


d the need to im


plement the


Constituti


on, stre


ssed t


he ne


ed to tur


n off the power in a


cage. Also stresses that Ma


o Zedong thoug


ht cannot


be lost,


30 years aft


er the reform and


ope


ning up 30 years ag


o ca


n not deny ea


ch


other. Both adv


ocate


democra


cy and release


en does


not speak of


itical constraints.


Neither


deny the hist


ory of the CPC Ce


ntral Committee on several issue


s ...


Comrades: today


brings t


ogether member


s, mainly in


order to


provi


de a platform to Exchange a


nd lear


n from each


other i


n order t


o facilitate our work. Just now, we focus


on taxation, pla


nni


ng and stabilit


y, safety,


proje


ct constr


uction, typi


cal topics


such as


private facts pr


ese


ntation and interacti


on, and towns currently exist in the in


-de


pth a


nalysis


of the problems to


be solved, to ex


plore


new methods t


o solve t


he pr


oblem. It


can


be sai


d that summing


up t


he achievement,


no grandstanding


; analy


sis

-


-


-


-


-


-


-


-



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