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Nitrogen metabolism in the rumen.
Protein metabolism in the rumen is the result of metabolic activity of ruminal microorganisms. The structure of the protein is a key factor in determining its susceptibility to microbial proteasesExpand
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Invited review: Essential oils as modifiers of rumen microbial fermentation.
Microorganisms in the rumen degrade nutrients to produce volatile fatty acids and synthesize microbial protein as an energy and protein supply for the ruminant, respectively. However, thisExpand
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Plant extracts affect in vitro rumen microbial fermentation.
Different doses of 12 plant extracts and 6 secondary plant metabolites were incubated for 24 h in diluted ruminal fluid with a 50:50 forage:concentrate diet. Treatments were: control (no additive),Expand
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A three-step in vitro procedure for estimating intestinal digestion of protein in ruminants.
A three-step in vitro procedure was developed to estimate intestinal digestion of proteins in ruminants. Dacron bags containing feed samples were suspended in the rumen for 16 h. Residue containingExpand
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A review of plant-derived essential oils in ruminant nutrition and production
Public concern over use of antibiotics in livestock production has increased in recent years because of their possible contribution to emergence of antibiotic resistant bacteria, and theirExpand
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Screening for the effects of natural plant extracts at different pH on in vitro rumen microbial fermentation of a high-concentrate diet for beef cattle.
Six natural plant extracts and three secondary plant metabolites were tested at five doses (0, 0.3, 3, 30, and 300 mg/L) and two different pH (7.0 and 5.5) in a duplicate 9 x 5 x 2 factorialExpand
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Effects of cinnamaldehyde and garlic oil on rumen microbial fermentation in a dual flow continuous culture.
Eight continuous culture fermentors inoculated with ruminal liquor from heifers fed a 50:50 alfalfa hay:concentrate diet (17.6% crude protein, 28.0% neutral detergent fiber) were used in 3 replicatedExpand
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Effect of essential oil active compounds on rumen microbial fermentation and nutrient flow in in vitro systems.
Two experiments were conducted to determine the effects of several essential oil active compounds on rumen microbial fermentation. In the first experiment, 4 doses (5, 50, 500, and 5,000 mg/L) of 5Expand
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Effect of garlic oil and four of its compounds on rumen microbial fermentation.
Different concentrations (3, 30, 300, and 3000 mg/L of culture fluid) of garlic oil (GAR), diallyl sulfide (DAS), diallyl disulfide (DAD), allicin (ALL), and allyl mercaptan (ALM) were incubated forExpand
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Effects of pH and pH fluctuations on microbial fermentation and nutrient flow from a dual-flow continuous culture system.
Eight dual-flow continuous culture fermenters (1400 ml) were used in two consecutive periods to study the effects of pH and pH fluctuations on microbial fermentation and nutrient flow. FermentersExpand
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