The Effect of Effective Microorganisms-4 (Em 4) Addition on the Physical Quality of Sugar Cane Shoots Silage

The Effect of Effective Microorganisms-4 (Em 4) Addition on the
Physical Quality of Sugar Cane Shoots Silage
Sofia Sandi*, Muhakka, & Ardi Saputra
Study Program of Animal Science, Faculty of Agriculture, University of Sriwijaya,
Jl. Raya Palembang Km.32, Inderalaya, Ogan Ilir, Sumatera Selatan, 30662,
Indonesia
*e-mail:sofiasandi_nasir@yahoo.com

Abstract
This research aimed to find out the physical quality of silage sugarcane
shoots with the addition of Effective microorganism (EM-4). This research was
conducted in the Laboratory of animal science and in the Laboratory of Chemistry
and Microbiology the Faculty of Agriculture Sriwijaya University. Shoots of sugar
cane were cut into pieces as long as pieces 2-3 cm and dried up to obtain water
levels 60-70%,then the addition of EM4 was done according to dose treatment and
stored for 21 days. Physical observation, temperature and the amount of lactic acid
bacteria were analyzed descriptively while the measurement of the degree of acidity
and percentage fungi of used Completely Randomized Design with 5 treatments
and 3 replications. The treatments were: T0= shoots of sugar cane without
treatment (control), T1= shoots of sugar cane+4%EM4 (v/w), T2= shoots of sugar
cane+6%EM4 (v/w), T3= shoots of sugar cane+ 8%EM4 (v/w), T4= shoots of sugar

cane+10%EM4 (v /w). The results showed that the temperature of silage sugar cane
ranges from 27.5-29oC.The ever increasing doses of EM4 showed a yellowish green
color. The flavor was sour and fresh fragrant, the increase in the amount of lactic
acid bacteria, significantly affect (P0.05) n degrees acd (pH). The result showed that the contnued
degrees acd (pH) slase ths research s vared n sugar cane crtera from good to
bad. The qualty of a good slase found n treatment T4 (4.3) and the qualty of poor
for treatment T0 (5.2). Macaulay (2004) sad that can slase the qualty of beng
nducted nto four categores, whch s well (pH 3.2-4.2), good (pH 4.2-4.5), bad
(pH 4.5-4.8), and very bad (> 4.8). The addton of the EM-4 pH affect the qualty
of slage, because the hgher the awardng of EM-4 to 10% dose, then the greater
the decrease n pH. A decrease n the pH of the slage s nfluenced by lactc acd
bactera durng the process of enslase. Wth the large number of lactc acd bactera
contaned n the slage sugarcane leaf would be more effectve to facltate the process of enslase and wll contnue to progress untl the pH s low enough to nhbt
the growth of mkoorgansme predomnantly adverse (Lopez, 2000).
Total Lactic Acid Bacteria
Lactc acd bactera are a group of bactera that are capable of convertng carbohydrates (glucose) nto lactc acd. Baktersdal effects of lactc acd are assocated wth a decrease n the pH of the envronment beng 3 to 4.5 so that the growth
of other bactera ncludng pembusuk bactera wll be hampered. The largest amount
of lactc acd bactera n treatment of T4 (5.2 x 108 CFU/gr), whle the lowest treatment T0 (3.4 x 106 CFU/gr). The dfference n the amount of lactc acd bactera s
affected by pH of slage. the pH wll determne whch mcroorgansms are actve n
makng slage. Lactc acd bactera shows optmal actvty at pH= 4.3 (Woolford,

1984). Treatment wth addtonal t4 EM-4 to 10% placeman phænogamous durng the lowest enslase. Wth the number of lactc acd bactera contaned n slage
shoots of sugar cane of nhbtng the growth wll manly mkoorgansme s harmful.
Chen and Wenberg (2008), declare slage good domnated by workng lactc acd
bactera and produces lactc acd on the contrary, the process of fermentaton slage
a less well cause clostrda develops characterzed by hgh levels of butyrc acd
(elfernk et al., 2000).

Conclusons
Based on the research nconclusve that ncreases n dosages effectve mcroorgansm- 4 treatment of 10% dosages can mprove the physcal qualty of of slage
shoots of sugar cane.

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