scholarly journals Higher ruminal pH increases in vitro digestion of diets containing dried distillers grains with solubles

2009 ◽  
pp. 66-70
Author(s):  
S. Uwituze ◽  
J.M. Heidenreich ◽  
James S. Drouillard
Keyword(s):  
In Vitro Digestion ◽  
Distillers Grains ◽  
Distillers Grains With Solubles ◽  
Dried Distillers Grains ◽  
Ruminal Ph

In vitro gas production including methane from bermudagrasses supplemented with dried distillers grains with solubles

2020 ◽  
Vol 36 (2) ◽  
pp. 172-182
Author(s):  
W.B. Smith ◽  
M.D. Miller ◽  
W.L. Crossland ◽  
T.R. Callaway ◽  
L.O. Tedeschi ◽  
...  
Keyword(s):  
Gas Production ◽  
Distillers Grains ◽  
Distillers Grains With Solubles ◽  
Dried Distillers Grains ◽  
In Vitro Gas Production

scholarly journals PSIX-41 The potential for different supplement sources to reduce frothy legume bloat based on in vitro degradation characteristics

2019 ◽  
Vol 97 (Supplement_3) ◽  
pp. 390-391
Author(s):  
Ronald J Trotta ◽  
Kendall C Swanson
Keyword(s):  
Initial Rate ◽  
Rumen Fluid ◽  
In Vitro Digestion ◽  
Corn Silage ◽  
Distillers Grains With Solubles ◽  
Dried Distillers Grains ◽  
Grass Hay ◽  
Wheat Middlings ◽  
Digestion Kinetics

Abstract Previous research has shown that supplementation of corn silage or grass hay can reduce the incidence of frothy legume bloat in cattle. However, forage-based supplements may not be the most feasible supplements due to the infrastructure required for harvest, storage, and feeding. The objective of this experiment was to evaluate the effects of different supplement sources, commonly available in the upper Midwest, on in vitro digestion kinetics and extent of digestion of alfalfa-based diets. Two ruminally-cannulated steers (928.1±25.5 kg BW) were fed alfalfa hay at 2.0% of BW and served as donors of rumen fluid. Treatments were early-bud alfalfa (CON) or a combination (DM basis) of 80% early-bud alfalfa with 20% of corn silage (CS), brome grass hay (BGH), soybean hulls (SBH), beet pulp (BP), corn grain (CORN), dried distillers’ grains with solubles (DDGS), or wheat middlings (MIDD). Tubes were incubated for 0, 3, 6, 9, 12, 15, 18, 21, 24, 48, or 72-h and assessed for rate and extent of digestion. Samples were run in duplicate and replicated over 4 days. Data were analyzed using the GLM procedure of SAS. Measurements reported are from the 48-h incubation. Apparent DM and OM digestibility was increased (P < 0.001) with SBH, BP, CORN, and MIDD and decreased with BGH. True DM digestibility was increased (P < 0.001) with SBH, BP, CORN, and DDGS and decreased with BGH. All treatments besides BGH and MIDD reduced (P < 0.001) NDF digestibility in comparison to CON. All treatments besides BP reduced (P < 0.001) the absolute initial rate (3-h) of apparent DM digestion, and SBH had the lowest rate. These data show that SBH increases the extent of digestion, while reducing the initial rate of degradation, suggesting that SBH has potential to reduce the incidence of frothy legume bloat as an alternative to corn silage or grass hay.

In vitro study of the effect of corn dried distillers grains with solubles on rumen fermentation in sheep

2015 ◽  
Vol 18 (4) ◽  
pp. 751-758 ◽  
Author(s):  
E. Pecka-Kiełb ◽  
W. Zawadzki ◽  
A. Zachwieja ◽  
O. Michel ◽  
M. Mazur ◽  
...  
Keyword(s):  
In Vitro Study ◽  
Short Chain Fatty Acids ◽  
Ammonia Concentration ◽  
Rumen Fermentation ◽  
Distillers Grains ◽  
Partial Substitution ◽  
Distillers Grains With Solubles ◽  
Dried Distillers Grains ◽  
Ruminal Microorganisms

Abstract The aim of the in vitro study was to determine the effect of corn dried distillers grains with solubles (corn DDGS), used as a replacement for the concentrate ingredients of sheep diet, on rumen fermentation. The material for the study was the ruminal fluid of Polish Merino sheep which was incubated during 4-, 8- or 24-hour periods. Five groups of samples were prepared for in vitro fermentation: C – control, incubated with the substrate consisting of the concentrate ingredients; D1, D2 and D3, where DDGS was used as a substrate added in proportions of 10, 20 and 30% of dry matter of the concentrate; and D4, where 100% DDGS was used as a substrate. After fermentation, the gas and short chain fatty acids (SCFAs) analyses were performed using gas chromatography. The ammonia concentration and pH were also determined, and the SCFA utilization index (NGR), the fermentation efficiency (FE) and the index of cell yield of ruminal microorganisms (CY) were calculated. This research showed no effect of DDGS on the methane emission. The positive correlations between the amount of methane and ammonia concentrations in the 8- and 24-hour fermentation periods were found. DDGS addition increased propionate proportion, but decreased production of acetate (p<0.01). Additionally, D1, D2, D3 and D4 substrates lowered isobutyrate (p<0.05) and isovalerate (p<0.01) production. Based on the results obtained, it can be stated that partial substitution of the concentrate ingredients with DDGS did not have deleterious effect on sheep rumen fermentation processes.

In Vitro Ruminal Fluid Fermentation as Influenced by Corn-Derived Dried Distillers' Grains with Solubles

2014 ◽  
Vol 62 (4) ◽  
pp. 345-351 ◽  
Author(s):  
Dorota Miśta ◽  
Ewa Pecka ◽  
Andrzej Zachwieja ◽  
Wojciech Zawadzki ◽  
Rafał Bodarski ◽  
...  
Keyword(s):  
Distillers Grains ◽  
Ruminal Fluid ◽  
Distillers Grains With Solubles ◽  
Dried Distillers Grains

Effect of Propionibacterium acidipropionici P169 on growth performance and rumen metabolism of beef cattle fed a corn- and corn dried distillers’ grains with solubles-based finishing diet

2014 ◽  
Vol 94 (2) ◽  
pp. 363-369 ◽  
Author(s):  
N. Narvaez ◽  
A. Y. Alazzeh ◽  
Y. Wang ◽  
T. A. McAllister
Keyword(s):  
Beef Cattle ◽  
Growth Performance ◽  
Feed Efficiency ◽  
Distillers Grains ◽  
Propionibacterium Acidipropionici ◽  
Distillers Grains With Solubles ◽  
Dried Distillers Grains ◽  
Ruminal Ph ◽  
Ruminal Acidosis ◽  
Rumen Metabolism

Narvaez, N., Alazzeh, A. Y., Wang, Y. and McAllister, T. A. 2014. Effect of Propionibacterium acidipropionici P169 on growth performance and rumen metabolism of beef cattle fed a corn- and corn dried distillers’ grains with solubles-based finishing diet. Can. J. Anim. Sci. 94: 363–369. A growth and metabolism experiment was conducted to evaluate the effect of Propionibacterium acidipropionici P169 on feedlot steers fed a corn- and corn dried distillers' grains with soluble (DDGS)-based finishing diet. Steers (40 non-cannulated and 8 ruminally cannulated) were divided into two groups and administered 10 g head−1 d−1 of maltodextrin containing 1×1011 colony-forming units (CFU) of P169 or the same amount of carrier (Control), top-dressed once daily upon feeding. Feed intake, growth rate and feed efficiency were determined over 115 d. For cannulated steers, ruminal pH was monitored continuously for 5 d during the second week of each month over the entire feeding period with rumen samples collected 3 h after feeding on days 1 and 5. Molar proportions of butyrate, branched-chain volatile fatty acids (VFA) and NH3-N concentration increased (P<0.01) with P169, whereas total VFA, molar proportions of propionate, the acetate:propionate ratio, and lactate concentration did not differ (P>0.05) between treatments. P169 had a limited effect on ruminal pH as duration and area under the curve both at pH 5.5 and 5.2 as well as frequency of acute ruminal acidosis bouts were similar (P>0.05) for both groups. Compared with control steers, steers fed P169 had more (P<0.05) bouts of subacute ruminal acidosis (SARA). All steers had similar (P>0.05) feed intake, growth rate, feed efficiency and carcass characteristics, except for longissiumus muscle area, being less (P<0.05) for P169 steers than controls. Supplementing P169 to beef cattle fed a corn- and corn DDGS-based finishing diet had no effect on growth performance of beef cattle or ruminal pH and increased the bouts of SARA.

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