scholarly journals Evaluasi Nilai Nutrisi dan Kecernaan In Vitro Pelepah Kelapa Sawit (Oil Palm Fronds) yang Difermentasi Menggunakan Aspergillus niger dengan Penambahan Sumber Karbohidrat yang Berbeda

2015 ◽  
Vol 15 (1) ◽  
pp. 13-19 ◽  
Author(s):  
Sitti Wajizah ◽  
Samadi Samadi ◽  
Yunasri Usman ◽  
Elmy Mariana

(The evaluation of  nutritive value and In Vitro digestibility of oil palm fronds through fermentation by using  Aspergillus niger  with  different soluble carbohydrate sources) ABSTRACT. Oil palm frond (OPF) is one of potential sources of alternative feed, but has limited use due to high crude fiber and low crude protein contents. Fermentation is one of the methods widely applied to improve nutritive value of animal feed. The purpose of this research is to increase nutritive value of fermented oil palm fronds by adding different soluble carbohydrate source into fermentation media. The results of the experiments indicated that fermented oil palm fronds by Aspergillus niger had a significant effect (P0,05)  on the content of crude protein, crude fiber, and ash. Generally, fermented oil palm fronds with different soluble carbohydrate was able to increase the content of crude protein of oil palm fronds, but not optimal yet in reducing the crude fiber content of fermented substrate. However, the addition of rice bran on the fermentation medium showed the best results, characterized by increasing crude protein and decreasing crude fiber contents as well as improved dry matter and organic matter digestibility, reflected in high concentration of VFA. 

2021 ◽  
Vol 8 (3) ◽  
pp. 212-221
Author(s):  
Ervinta Ervinta ◽  
Hasnudi ◽  
R. Edhy Mirwandhono ◽  
N Ginting ◽  
B Simanullang

Novelty statement: This study reveals that fermented agricultural and plantation waste by using different doses of eco enzyme turned out to have a good effect on the quality of the waste. The procedures and parameters standardised in this research can be used for production of ruminant feed.                Abstract: The low nutrient content of agricultural waste is an obstacle to use as feed. The addition of eco enzyme as biological activators can help the fermentation process. The aim of this research was to determine the effect of three doses of eco enzyme as a starter fermentation of rice straw, corn straw, and palm fronds on changes in the nutritional content of 21 days fermentation. This study used a completely randomized design method with two factorial (three treatments and three replications). Factor D: Doses (D1 = 1%; D2 = 3%; D3 = 5%) and factor L: Forage (L1 = rice straw; L2 = corn straw; L3 = oil palm fronds). The parameters studied were moisture content (MC), dry matter (DM), crude protein (CP), crude fiber (CF). The results of this research showed that addition of eco enzyme dose of 5% on L1, 3% on L2 and 3% L3 can increased water content and crude protein, and reduce levels of dry matter and crude fiber of forage compared without fermentation.


1966 ◽  
Vol 66 (3) ◽  
pp. 351-357 ◽  
Author(s):  
W. Ellis Davies ◽  
G. ap Griffith ◽  
A. Ellington

The primary growth of eight varieties of three species–white clover (3), red clover (4) and lucerne (1)–was sampled at fortnightly intervals and the percentage dry matter, in vitro digestibility, crude protein, water soluble carbohydrates, P, Ca, K, Na and Mg were determined.Differences between species were nearly always significant and the general order of merit was white clover, red clover and lucerne. The exceptions were for dry-matter percentage where this order was reversed, and red clover had the lowest Na and highest Mg content.


2020 ◽  
Vol 44 (3) ◽  
Author(s):  
Cuk Tri Noviandi ◽  
Dibya Ratnopama ◽  
Ali Agus ◽  
Ristianto Utomo

This study was done to determine the effects of bale sizes of bio-ammoniated rice straw on its nutrient quality and in vitro digestibility. Rice straw were bio-ammoniated by adding 2 g urea and 1 g probiotic/kg DM. By following a completely randomized design, rice straw was baled in 3 different weights (15, 25, and 35 kg) with six replications for each treatment, and then stored for 3 weeks. In the end of the week 3, bales were opened, aired, and then sampled for proximate analysis (dry matter, organic matter, crude protein, and crude fiber) and digestibility by in vitro gas production method. Using analysis of variance method, the proximate data showed that greater the bales size (15, 25, and 35 kg) increased crude protein (7.59, 7.86, and 9.95%, respectively; P<0.05) and decreased crude fiber contents (24.1, 22.1, and 18.8%, respectively; P<0.05). By increasing the size of bales also increased a, b, and c fractions (-0.79, 0.26, and 0.82 mL/100 mg DM; 20.2, 18.2, and 17.6 mL/100 mg DM; 0.012, 0.014, and 0.019 mL/h, respectively; P<0.05) as well as gas production (11.4, 11.5, and 13.8 mL/100 mg DM, respectively; P<0.05). It can be concluded that packing bio-ammoniated rice straw in 35 kg bale is the most effective way in increasing nutrient quality and digestibility of rice straw.


1967 ◽  
Vol 47 (2) ◽  
pp. 161-167 ◽  
Author(s):  
S. Smoliak ◽  
L. M. Bezeau

Five native grasses and one sedge of the Stipa-Bouteloua prairie, three introduced grasses collected at five stages of growth, and four shrubby species collected at three stages of growth were analyzed for proximate chemical constituents.The amounts of phosphorus and digestible and crude protein of all species decreased with maturity, while the cellulose increased. Introduced grasses generally contained more crude protein than native grasses. Shrubby species were higher in crude protein and phosphorus than native grasses. No consistent trend was observed in relative total ash and calcium content at progressive stages of development. The estimated nutritive value index was high for all grasses and low for two Artemisia species. The seasonal declines in crude protein and phosphorus suggest that protein and phosphorus supplements are desirable for range cattle during the fall, winter, and early spring.


1969 ◽  
Vol 20 (4) ◽  
pp. 643 ◽  
Author(s):  
RJ Clements

In a highly variable breeding population of P. tuberosa, marked responses were obtained to three generations of selection for high and low crude protein concentration (percentage nitrogen x 6.25) in whole tillers at heading. Total response was similar in each direction, and realized heritability estimates were h2 = 0.25 and h2 = 0.20 in the high and low directions respectively. The responses were accompanied by positively correlated changes in in vitro digestibility and in characters commonly used as indicators of nutritive value of herbage. However, there were large negatively correlated changes in seedling vigour, relative growth rates, and other morphological and physiological characters. The implications of the results for pasture plant breeding are discussed.


1969 ◽  
Vol 49 (3) ◽  
pp. 351-359 ◽  
Author(s):  
Alastair McLean ◽  
S. Freyman ◽  
J. E. Miltimore ◽  
D. M. Bowden

Seasonal changes in the quality of pinegrass (Calamagrostis rubescens) on native forest range in southern British Columbia included declines in crude protein content and in vitro digestibility of dry matter and increases in content of lignin, acid-detergent fiber, and ash. The decline in average daily gains of beef heifers was more rapid than changes in quality of the pinegrass over the grazing period from June to October.Pinegrass contained adequate nutrients for the rapid growth of yearlings or for maintaining weanling calves until August 1, whereupon protein and phosphorus supplementation were required. Nutrient requirements of pregnant cows and replacement heifers were adequately met until September 1.Copper and zinc were inadequate throughout the season. Calcium, iron, and manganese contents, however, were satisfactory. Silica was high and must be considered a potential problem in pinegrass utilization.Digestible dry matter gave a high positive correlation with crude protein and phosphorus and a high negative correlation with lignin, acid-detergent fiber, and total ash.Crude fiber, crude fat, and total soluble carbohydrate contents of pinegrass did not closely follow changes in either animal gains or in vitro digestible dry matter.Crude protein, phosphorus, and acid-detergent fiber appear to give a good indication of animal yields on pinegrass and could be used to evaluate pinegrass quality where animal data are not available.


1987 ◽  
Vol 67 (4) ◽  
pp. 1057-1067 ◽  
Author(s):  
D. R. BUXTON ◽  
G. C. MARTEN ◽  
J. S. HORNSTEIN

When normally harvested for hay, the basal portion of alfalfa (Medicago sativa L.) stems is low in forage quality. This study was conducted to determine whether genetic variation for in vitro digestible dry matter (IVDDM) and crude protein (CP) concentration of stems of perennial Medicago spp. could be identified and whether morphological and chemical traits were associated with variation in these characteristics of stems. The lower six nodes and internodes of stems and total herbage from 64 Plant Introduction (PI) accessions and five cultivars of field-grown plants were harvested twice when most plants were at the early seed-pod stage of maturity. Several morphological and growth traits were measured, and both stems and total herbage were evaluated for IVDDM and CP concentration. Covariant analysis was used to adjust in IVDDM and CP concentration of stems for differences in plant maturity. Significant variation for IVDDM and CP concentration in stems existed among the cultivars and among the accessions. Some accessions had significantly higher stem IVDDM or CP concentration than control cultivars. The M. sativa accession, PI 440496, had the fourth highest stem IVDDM and third highest stem CP, with concentrations of 374 and 79 g kg−1, respectively. The number of ridges on stems (stem shape) was significantly correlated with stem IVDDM and CP concentration with average correlation coefficients of 0.30 and 0.35, respectively. Cell-wall concentration and lignin concentration per unit cell wall of stems were both negatively correlated with stem IVDDM and CP concentration. Selection for improved nutritive value of stems may have potential for improving the nutritive value of alfalfa herbage.Key words: Alfalfa, forage quality, crude protein, in vitro digestibility, Medicago sativa L.


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