scholarly journals Evaluating Chemical Composition, Fatty Acid Profiles, Antioxidant Activity and Nutritive Value of Pomegranate By-Product using in Vitro Gas Production Technique

2018 ◽  
Vol 9 (22) ◽  
pp. 92-100
Author(s):  
Simin Khorsandi ◽  
Ahmad Riasi ◽  
Mohammad Khorvash ◽  
◽  
◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Fatty Acid ◽  
Chemical Composition ◽  
Nutritive Value ◽  
Gas Production ◽  
Fatty Acid Profiles ◽  
Production Technique ◽  
In Vitro Gas Production

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
Keyword(s):  
Biological Activity ◽  
Local Knowledge ◽  
Nutritive Value ◽  
Gas Production ◽  
Natural Vegetation ◽  
Production Technique ◽  
Grazing Cattle ◽  
In Vitro Gas Production

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.

scholarly journals Determination of Nutritive Value of Citrus Tree Leaves for Sheep Using In vitro Gas Production Technique

2007 ◽  
Vol 20 (4) ◽  
pp. 529-535 ◽  
Author(s):  
Ali Karabulut ◽  
Onder Canbolat ◽  
Cagri O. Ozkan ◽  
Adem Kamalak
Keyword(s):  
Nutritive Value ◽  
Gas Production ◽  
Citrus Tree ◽  
Production Technique ◽  
Tree Leaves ◽  
In Vitro Gas Production

scholarly journals Determination of in vitro rumen digestibility and potential feed value of tiger nut varieties

2021 ◽  
Vol 50 (5) ◽  
Author(s):  
T. Ayaşan ◽  
E. Sucu ◽  
I. Ülger ◽  
H. Hızlı ◽  
P. Cubukcu ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Nutritive Value ◽  
Energy Content ◽  
Rumen Fluid ◽  
Gas Production ◽  
Time Dependent ◽  
In Vivo Studies ◽  
In Vitro Digestibility ◽  
In Vitro Gas Production

Tiger nut (Cyperus esculentus L.), or chufa, is a plant that is found in nature and is cultivated for its edible tubers. The purpose of this study was to determine the chemical composition, nutritive value, and in vitro digestibility of three tiger nut varieties using the in vitro gas production technique. These varieties were Sarışeker (yellow), Introduction 1, and Balyumru (brown). Rumen fluid was obtained from two cannulated Holstein animals. Time-dependent in vitro gas production was monitored at 3, 6, 9, 12, 24, 48, 72, and 96 hours of incubation. The varieties differed in dry matter (DM), crude ash (CA), ether extract (EE), neutral detergent fibre (NDF), and non-fibre carbohydrate (NFC) content (P <0.05). They also differed in the instantaneous volume of gas produced and in time-dependent gas production. Balyumru produced more gas at the onset of incubation than Introduction 1 and Sarışeker. However, over time, the gas produced by digestion of Introduction 1 exceeded the other two varieties. The amounts of gas produced at each time-point were intercorrelated. It is recommended that these results should lead to further evaluation in in vivo studies. Keywords: chemical composition, energy content, in vitro gas production

scholarly journals Chemical composition, secondary metabolites, in vitro gas production characteristics and acceptability study of some forage for ruminant feeding in South-Western Nigeria

2020 ◽  
Vol 40 (1) ◽  
pp. 179-190
Author(s):  
K. O. Yusuf ◽  
O. A. Isah ◽  
O. M. Arigbede ◽  
A. O. Oni ◽  
C. F. I. Onwuka
Keyword(s):  
Chemical Composition ◽  
Secondary Metabolites ◽  
Nutritive Value ◽  
Condensed Tannin ◽  
Short Chain Fatty Acids ◽  
Gas Production ◽  
Metabolizable Energy ◽  
In Vitro Gas Production ◽  
Tridax Procumbens

Studies were conducted to evaluate the nutritive value of eight selected forages (Tridax procumbens, Merremia aegyptia, Aspilia africana, Tithonia diversifolia, Alchornea cordifolia, Alchornea laxiflora, Synedrella nodiflora, and Newbouldia laevis) consumed by ruminants in South-Western Nigeria. Chemical composition and qualitative analysis of saponins, phenol and steroids of the plants were determined. In vitro gas production (IVGP) was carried out for 72 hours on the plants. Metabolizable energy (ME), Organic matter digestibility (OMD) and Short chain fatty acids (SCFA) were predicted and methane (CH4) was measured. Five of the plants were subjected to acceptability study using cafeteria method. The result of the chemical composition revealed that M. aegyptia had the highest value of CP (22.09 %) while Tridax procumbens had the lowest (10.50 %). A. africana had the highest content of Calcium, Phosphorus and Zinc with values of 3.10 %, 0.93 % and 39 ppm respectively. The analysis of secondary metabolites showed that A. africana, T. diversifolia and S. nodiflora were high in saponin while A. cordifolia, A. laxiflora, T. diversifolia and A. africana were implicated for condensed Tannin. N. laevis recorded a high level of steroids. Results showed significant variations in the values of IVGP, ME, OMD, SCFA and CH4 obtained for the plants. The order of preference of the plants by the calves were M. aegyptia>A. cordifolia > N. laevis > A. axiflora> T. diversifolia. The study revealed that the forages are rich in crude protein as well as micro and macro minerals. They are also rich in highly fermentable carbohydrates which affirm them as ruminant feed resource.

Effects of different forage combinations in total mixed rations on in vitro gas production kinetics, ruminal and milk fatty acid profiles of lactating cows

2018 ◽  
Vol 89 (9) ◽  
pp. 1261-1270 ◽  
Author(s):  
Sarvvl Bai ◽  
Zhi-Jun Cao ◽  
Bin-Bin Cao ◽  
Hong-Jian Yang ◽  
Sheng-Li Li ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Gas Production ◽  
Milk Fatty Acid ◽  
Fatty Acid Profiles ◽  
Lactating Cows ◽  
Production Kinetics ◽  
In Vitro Gas Production

Determination of nutritive value of forages in south Texas using an 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 ◽  
...  
Keyword(s):  
Nutritive Value ◽  
Gas Production ◽  
South Texas ◽  
Production Technique ◽  
In Vitro Gas Production

scholarly journals 19. Improving the Prediction of Methane Production Determined by in Vitro Gas Production Technique for Ruminants

2016 ◽  
Vol 16 (2) ◽  
pp. 565-584
Author(s):  
Chung-Nan Chen ◽  
Tzu-Tai Lee ◽  
Bi Yu
Keyword(s):  
Chemical Composition ◽  
Starch Content ◽  
Gas Production ◽  
Neutral Detergent Fiber ◽  
Chemical Compositions ◽  
Production Technique ◽  
In Vitro Gas Production ◽  
True Digestibility ◽  
Protein Rich

Abstract Twelve feedstuffs (cereals, fibrous byproducts, protein-rich byproducts and forages) were determined for methane (CH4) production by the in vitro gas production technique (IVGPT) and were correlated with their chemical compositions to predict enteric CH4 originating from these feedstuffs in ruminants. Corn, soybean hull, soybean meal and corn silage generated the highest CH4 production from their respective categories. The average CH4 production of fibrous byproducts (44.6 ml/g DM incubated) was significantly higher than that of cereals (40.3 ml/g DM incubated), forages (33.3 ml/g DM incubated) and protein-rich byproducts (31.0 ml/g DM incubated) after the 48-h incubation (P≤0.05). The highest average total volatile fatty acid (VFA) concentration was determined in cereals (53.6 mM). The acetate to propionate ratio was significantly lower in cereals when compared with other categories of feedstuff (P≤0.05). The correlation analysis showed that in vitro true digestibility (IVTD) positively correlated with the CH4 production in all four categories of feedstuffs (P≤0.05). The neutral detergent fiber (NDF) and acid detergent fiber (ADF) content positively correlated with CH4 production in every category of feedstuffs except cereals. The starch content negatively correlated with CH4 production for fibrous and protein-rich byproducts (P≤0.05), but it positively correlated with CH4 production for forages (P≤0.05). The CH4 production was predicted more accurately by the equations proposed for each category (R2=0.944, 0.876, 0.942 and 0.915 for cereals, fibrous and protein-rich byproducts and forages, respectively) than for the unclassified feedstuffs (R2=0.715). In conclusion, the contribution of individual chemical composition to CH4 production differed depending on the category of feedstuffs. The precision of CH4 prediction could be substantially improved by classifying feedstuffs into categories according to their chemical composition, and selecting the appropriate predictors for each category. Information about the CH4 output of these feedstuffs will be useful in formulating low CH4-producing diets for ruminants.

Sign in / Sign up

Export Citation Format

Share Document