In vitro gas production of foliage and fruits of forage trees with and without added PEG

2002 ◽  
Vol 2002 ◽  
pp. 137-137 ◽  
Author(s):  
R. Pinto Ruiz ◽  
CA Sandoval Castro ◽  
L. Ramírez Avilés

In Chiapas, México, natural vegetation is often used for grazing cattle. Local knowledge identify several plants and fruits as been consumed by cattle, But few information is available on their nutritive value. The objective of the present work was to assess the potential nutritive value and biological activity of tannins in 14 materials by means of the in vitro gas production technique.

2011 ◽  
Vol 66 (4) ◽  
pp. 526-540 ◽  
Author(s):  
A. D. Aguiar ◽  
L. O. Tedeschi ◽  
F. M. Rouquette ◽  
K. McCuistion ◽  
J. A. Ortega-Santos ◽  
...  

2017 ◽  
Vol 7 (4) ◽  
pp. 309-315 ◽  
Author(s):  
Tugay AYAŞAN ◽  
İsmail ÜLGER ◽  
Mikail BAYLAN ◽  
M. Nazım DİNÇER ◽  
Hatun BARUT ◽  
...  

Animals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 2212
Author(s):  
Mónica Gandarillas ◽  
Juan Pablo Keim ◽  
Elisa María Gapp

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.


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