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Potential of citric and yeast waste fermentation products supplemented with fiber-degrading enzymes as alternatives to soybean meal in ruminant nutrition. [PDF]
BMC Vet ResRungchaicharoenphai M +5 more
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The in vitro gas production technique: Limitations and opportunities
Animal Feed Science and Technology, 2005This preface outlines the reasons for undertaking the special issue, comments on the review process that was used, provides a brief summary of the papers included and discusses some of the implications of these papers on in vitro gas technique methodology and its applications.
U. Krishnamoorthy +2 more
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A semi-automated in vitro gas production technique for ruminant feedstuff evaluation
Animal Feed Science and Technology, 1999Abstract This technical note describes the Reading Pressure Technique (RPT) – an in vitro feed evaluation system based on a semi-automated gas production technique. Substrates are incubated together with buffered rumen fluid in sealed fermentation flasks. A pressure transducer, interfaced with a PC allows accumulated head-space gas pressure values to
Rogerio M Mauricio +5 more
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Animal Feed Science and Technology, 2005
Abstract Volatile fatty acids (VFA) resulting from rumen fermentation are measured in in vitro gas production techniques (IVGPT) by including bicarbonate in the incubation medium and measuring indirect gas produced. During ensiling, anaerobic fermentation of plant organic matter also produces VFA, along with lactic acid.
M.J.A. Palmer +3 more
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Abstract Volatile fatty acids (VFA) resulting from rumen fermentation are measured in in vitro gas production techniques (IVGPT) by including bicarbonate in the incubation medium and measuring indirect gas produced. During ensiling, anaerobic fermentation of plant organic matter also produces VFA, along with lactic acid.
M.J.A. Palmer +3 more
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Faecal Matter as Inoculum for In Vitro Gas Production Technique
Animal Nutrition and Feed Technology, 2016Rumen inoculum (RI) was replaced by fresh faecal inoculum (FI) on microbial nitrogen equivalent. Microbial nitrogen in FI was estimated as total N minus N bound to neutral detergent in stover-fed bullocks and 2.8 gram of FI provided similar (6.4 mg) microbial N to that of 10 ml of RI.
C.S. Pandian +4 more
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In vitro gas production: a technique revisited
Journal of Animal Physiology and Animal Nutrition, 1997SummaryThe stoichiometrical relationship between gas volumes and short chain fatty acid (SCFA) production has been exemplified for an in vitro gas test based on the bicarbonate buffer. It is outlined that, even though variation in the molar proportion of acetate, propionate and butyrate will influence gas volumes, quite similar amounts of total carbon,
M. Blümmel, H. P. S. Makkar, K. Becker
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In vitro cumulative gas production techniques: History, methodological considerations and challenges
Animal Feed Science and Technology, 2005Methodology used to measure in vitro gas production is reviewed to determine impacts of sources of variation on resultant gas production profiles (GPP). Current methods include measurement of gas production at constant pressure (e.g., use of gas tight syringes), a system that is inexpensive, but may be less sensitive than others thereby affecting its ...
Rymer, C. +3 more
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Nutritional evaluation of pulse screenings by in vitro gas production technique
Indian Journal of Animal Research, 2016The present study was planned to evaluate the chemical composition and nutritive values of commonly available pulse chunies of Green gram (GGC), Black gram (BGC), Bengal gram (BnGC) and Red gram (RGC) available in the local markets of Hyderabad, Andhra Pradesh.
Partha Sarathi Swain* +4 more
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Journal of Animal Physiology and Animal Nutrition, 2008
SummaryAn in vitro trial was conducted to investigate the effect of different inoculum sources (buffalo vs. cattle) on rumen fermentation and degradability. Incubations were carried out using rumen fluid obtained from buffalo or cattle fed the same diet [60% grass hay and 40% concentrate; 18 kg dry matter (DM)/day].
CALABRO', SERENA +6 more
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SummaryAn in vitro trial was conducted to investigate the effect of different inoculum sources (buffalo vs. cattle) on rumen fermentation and degradability. Incubations were carried out using rumen fluid obtained from buffalo or cattle fed the same diet [60% grass hay and 40% concentrate; 18 kg dry matter (DM)/day].
CALABRO', SERENA +6 more
openaire +4 more sources