scholarly journals In vitro gas production of foliage from three browse tree species treated with different dose levels of exogenous fibrolytic enzymes

2016 ◽  
Vol 100 (5) ◽  
pp. 920-928 ◽  
Author(s):  
D. López ◽  
J. F. Vázquez-Armijo ◽  
N. López-Villalobos ◽  
H. A. Lee-Rangel ◽  
A. Z. M. Salem ◽  
...  
Keyword(s):  
Tree Species ◽  
Gas Production ◽  
Fibrolytic Enzymes ◽  
In Vitro Gas Production ◽  
Dose Levels

scholarly journals In vitro gas production kinetics and degradability of a diet for growing lambs: effect of fibrolytic enzyme products at different dose levels

2016 ◽  
Vol 15 (3) ◽  
pp. 453-460 ◽  
Author(s):  
Daniel López-Aguirre ◽  
Javier Hernández-Meléndez ◽  
Rolando Rojo ◽  
Fernando Sánchez-Dávila ◽  
Nicolás López-Villalobos ◽  
...  
Keyword(s):  
Gas Production ◽  
Production Kinetics ◽  
In Vitro Gas Production ◽  
Dose Levels

Influence of individual and mixed extracts of two tree species on in vitro gas production kinetics of a high concentrate diet fed to growing lambs

2011 ◽  
Vol 136 (2-3) ◽  
pp. 192-200 ◽  
Author(s):  
F.S. Jiménez-Peralta ◽  
A.Z.M. Salem ◽  
P. Mejia-Hernández ◽  
M. González-Ronquillo ◽  
B. Albarrán-Portillo ◽  
...  
Keyword(s):  
Tree Species ◽  
Gas Production ◽  
Production Kinetics ◽  
In Vitro Gas Production ◽  
Kinetics Of

OLIVE CAKE SILAGE AS ALTERNATIVE ROUGHAGE FOR RUMINANT: EFFECT ON RUMEN DEGRADABILITY AND IN-VITRO GAS PRODUCTION

2020 ◽  
Vol 23 (2) ◽  
pp. 265-272
Author(s):  
Fatma Hadhoud ◽  
M. Shaaban ◽  
A. Abd El Tawab ◽  
M. Khattab ◽  
H. Ebeid ◽  
...  
Keyword(s):  
Gas Production ◽  
Olive Cake ◽  
In Vitro Gas Production

scholarly journals Associative Effects between Forages and Concentrates on In Vitro Fermentation of Working Equine Diets

Animals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 2212
Author(s):  
Mónica Gandarillas ◽  
Juan Pablo Keim ◽  
Elisa María Gapp
Keyword(s):  
High Performance ◽  
Volatile Fatty Acid ◽  
Animal Species ◽  
Nutritive Value ◽  
Gas Production ◽  
In Vitro Fermentation ◽  
In Vitro Gas Production ◽  
Production Experiment ◽  
Need To Evaluate

Background: Horses are hindgut fermenters, and it is therefore important to determine the postgastric nutritive value of their feedstuffs and diets. Moreover, it has been demonstrated in other animal species that the fermentation of diets results in different values than those expected from pure ingredients. Therefore, the general objective of this work is to evaluate the gas production (GP) and volatile fatty acid (VFA) concentration, as well as the associative effects, of mixtures of different forages and concentrated foods, which are representative of the traditional diets of high-performance horses. Methods: An in vitro gas production experiment was conducted to assess the fermentation of two forages and three concentrates that are typical in horse diets. The combination of 70% of forage and 30% concentrates was also assessed to determine potential associative effects. Results: Concentrates and grains produced higher GP and VFA than forages when evaluated alone. When experimental diets were incubated, GP parameters and VFA concentrations of forage–concentrate mixtures had unexpected differences from the values expected from the fermentation of pure ingredients, suggesting the occurrence of associative effects. Conclusions: Our results indicate that there is a need to evaluate the fermentation of diets, rather than predicting from the values of pure ingredients.

scholarly journals Preserving Porphyra umbilicalis and Saccharina latissima as Silages for Ruminant Feeding

Animals ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 1957
Author(s):  
Margarita Novoa-Garrido ◽  
Carlos Navarro Marcos ◽  
María Dolores Carro Travieso ◽  
Eduarda Molina Alcaide ◽  
Mogens Larsen ◽  
...  
Keyword(s):  
Dry Matter ◽  
Nutritional Value ◽  
Volatile Fatty Acids ◽  
Gas Production ◽  
Saccharina Latissima ◽  
Porphyra Umbilicalis ◽  
In Vitro Gas Production ◽  
Ruminal Degradability ◽  
Kinetics Of

The study analyzed the characteristics, chemical composition, and in vitro gas production kinetics of Porphyra umbilicalis and Saccharina latissima silages. Each seaweed was ensiled in vacuum bags (three bags/silage) following a 2 × 3 factorial design, with two pre-treatments (unwilted or pre-wilted) and three silage types: unwashed seaweed ensiled without additive; seaweed washed and ensiled without additive; and seaweed washed and ensiled with 4 g of formic acid (FAC) per kg seaweed. Silages were kept for 3 months in darkness at 20 °C. Pre-wilting prevented (p < 0.001) effluent formation and reduced (p ≤ 0.038) the production of NH3-N and volatile fatty acids for both seaweeds. Both pre-wilting and washing increased (p < 0.05) the ruminal degradability of P. umbilicalis silages but not of S. latissima silages. The pH of the FAC-treated silages was below 4.0, but ranged from 4.54 to 6.23 in non FAC-treated silages. DL-lactate concentrations were low (≤23.0 g/kg dry matter) and acetate was the predominant fermentation product, indicating a non-lactic fermentation. The estimated ruminal degradability of the P. umbilicalis and S. latissima silages was as average, 59.9 and 86.1% of that for high-quality rye-grass silages, respectively, indicating a medium-low nutritional value of these seaweed silages for ruminants.

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