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1. A meta-analysis of malate effects on methanogenesis in ruminal batch cultures

Author:
Forster, R.J.,   et al.   ; Ungerfeld, E.M.;     Show all 2 Author
Source:
Animal feed science and technology 2011 v.166-167 pp. 282-290
ISSN:
0377-8401
Subject:
animal performance; emissions; energy; feeds; foods; greenhouse gases; in vitro studies; malates; meta-analysis; methane production; ruminants; stoichiometry; volatile fatty acids
Abstract:
... The objective of this meta-analysis was to understand effects of malate on methanogenesis in ruminal batch cultures in order to help explain in vivo responses to malate supplementation. Six published in vitro studies comprising 76 treatment means in which malate was added to compete with methanogenesis for reducing equivalents were combined, and responses of CH₄ and volatile fatty acid production ...
DOI:
10.1016/j.anifeedsci.2011.04.018

2. Characterization of rumen bacterial diversity and fermentation parameters in concentrate fed cattle with and without forage

Author:
Forster, R.J.,   et al.   ; Petri, R.M.; Yang, W.; McKinnon, J.J.; McAllister, T.A.;     Show all 5 Authors
Source:
Journal of applied microbiology 2012 v.112 no.6 pp. 1152-1162
ISSN:
1364-5072
Subject:
Fibrobacter succinogenes; Ruminococcus; Selenomonas ruminantium; bacteria; bacterial communities; cattle; community structure; denaturing gradient gel electrophoresis; diet; digesta; fermentation; forage; osmolality; pH; quantitative polymerase chain reaction; rumen; rumen bacteria; rumen fermentation
Abstract:
... Aims: To determine the effects of the removal of forage in high‐concentrate diets on rumen fermentation conditions and rumen bacterial populations using culture‐independent methods. Methods and Results: Detectable bacteria and fermentation parameters were measured in the solid and liquid fractions of digesta from cattle fed two dietary treatments, high concentrate (HC) and high concentrate wit ...
DOI:
10.1111/j.1365-2672.2012.05295.x

3. Eugenol for dairy cows fed low or high concentrate diets: Effects on digestion, ruminal fermentation characteristics, rumen microbial populations and milk fatty acid profile

Author:
Forster, R.J.,   et al.   ; Benchaar, C.; Lettat, A.; Hassanat, F.; Yang, W.Z.; Petit, H.V.; Chouinard, P.Y.;     Show all 7 Authors
Source:
Animal feed science and technology 2012 v.178 no.3-4 pp. 139-150
ISSN:
0377-8401
Subject:
Protozoa; bacteria; biohydrogenation; dairy cows; dairy protein; essential oils; eugenol; experimental design; fatty acid composition; fatty acids; feed additives; feed concentrates; lactation; milk; milk fat; milk production; pH; rumen; rumen fermentation; starch; total mixed rations
Abstract:
... Four ruminally cannulated primiparous lactating cows were used in a 4×4 Latin square design experiment (28 d periods) with a 2×2 factorial arrangement of treatments to examine effects of eugenol supplementation, concentrate proportion of the diet and their interaction on digestion, ruminal fermentation, microbial populations, milk production and milk composition, including milk fatty acid (FA) pro ...
DOI:
10.1016/j.anifeedsci.2012.10.005

4. Isolation and characterization of a ferulic acid esterase (Fae1A) from the rumen fungus Anaeromyces mucronatus

Author:
Forster, R.J.,   et al.   ; Qi, M.; Wang, P.; Selinger, L.B.; Yanke, L.J.; McAllister, T.A.;     Show all 6 Authors
Source:
Journal of applied microbiology 2011 v.110 no.5 pp. 1341-1350
ISSN:
1364-5072
Subject:
Clostridium thermocellum; Escherichia coli; Ruminococcus albus; acetates; amino acid sequences; barley straw; cDNA libraries; catalytic activity; clones; complementary DNA; fatty acid esters; ferulic acid; feruloyl esterase; genes; nucleotides; p-coumaric acid; polypeptides; proteinase inhibitors; rumen fungi; sequence analysis; serine
Abstract:
... Aims: A novel ferulic acid esterase gene from rumen fungus Anaeromyces mucronatus was cloned, heteroexpressed in Escherichia coli and characterized. Methods and Results: A total of 30 clones exhibiting activity on α-naphthyl acetate (α-NA) were isolated from an A. mucronatus YE505 cDNA library. Sequence analysis revealed that these clones represented two esterase-coding sequences. The gene, fae1A, ...
DOI:
10.1111/j.1365-2672.2011.04990.x

5. Repeated ruminal dosing of Ruminococcus flavefaciens NJ along with a probiotic mixture in forage or concentrate-fed dairy cows: Effect on ruminal fermentation, cellulolytic populations and in sacco digestibility

Author:
Forster, R.J.,   et al.   ; Chiquette, J.; Talbot, G.; Markwell, F.; Nili, N.;     Show all 5 Authors
Source:
Canadian journal of animal science 2007 v.87 no.2 pp. 237-249
ISSN:
0008-3984
Subject:
dairy cows; Ruminococcus flavefaciens; probiotics; feed concentrates; forage; cow feeding; rumen fermentation; cellulolytic microorganisms; digestibility; digestive system diseases; strains; microbial ecology; feed supplements; hay
Abstract:
... Many studies have introduced exogenous bacterial strains into the rumen in an attempt to improve fermentation processes or counteract ruminal digestive disorders. Some attempts have been successful in the establishment of the new strain although others have failed. To a large extent, particular conditions necessary to the establishment of a new strain are not yet fully understood. In the present s ...

6. Enumeration of Megasphaera elsdenii in rumen contents by real-time Taq nuclease assay

Author:
Forster, R.J.,   et al.   ; Ouwerkerk, D.; Klieve, A.V.;     Show all 3 Authors
Source:
Journal of applied microbiology 2002 v.92 no.4 pp. 753-758
ISSN:
1364-5072
Subject:
Megasphaera elsdenii; acidosis; correlation; fluorescent dyes; nucleotide sequences; probiotics; ribosomal DNA; rumen; rumen bacteria; sequence homology; starch; steers
Abstract:
... Aims: To develop a real-time Taq nuclease assay (TNA) to enable the in vivo enumeration of Megasphaera elsdenii. Methods and Results: Megasphaera elsdenii YE34 was phenotypically characteristic of the species and had 16S rDNA sequence similarity of 98% to previously described isolates. Calibration of the number of cells of M. elsdenii against the cycle threshold of fluorescent dye release gave a s ...
DOI:
10.1046/j.1365-2672.2002.01580.x
PubMed:
11966917

7. Storage lipid accumulation and acyltransferase action in developing flaxseed

Author:
Forster, R.J.,   et al.   ; Sorensen, B.M.; Furukawa-Stoffer, T.L.; Page, E.K.; Mir, Z.; Weselake, R.J.;     Show all 6 Authors
Source:
Lipids 2005 v.40 no.10 pp. 1043-1049
ISSN:
0024-4201
Subject:
lipid content; diacylglycerol acyltransferase; plant biochemistry; docosahexaenoic acid; fatty acid composition; eicosapentaenoic acid; Linum usitatissimum; plant fats and oils; linseed; triacylglycerols; oilseed crops; seed development
DOI:
10.1007/s11745-005-1467-0
PubMed:
16382576

8. Identification of bacteriocin-like inhibitors from rumen Streptococcus spp. and isolation and characterization of bovicin 255

Author:
Forster, R.J.,   et al.   ; Whitford, M.F.; McPherson, M.A.; Teather, R.M.;     Show all 4 Authors
Source:
Applied and environmental microbiology 2001 v.67 no.2 pp. 569-574
ISSN:
0099-2240
Subject:
Streptococcus bovis; ribosomal DNA; cattle; phylogeny; bacteriocins; amino acid sequences; genes; nucleotide sequences; molecular weight; rumen bacteria; antibacterial properties
Abstract:
... Streptococci obtained from rumen sources were tested for the production of antibacterial compounds using a deferred-antagonism plating assay. Of 35 isolates tested, 7 were identified that inhibited the growth of other streptococci. None of the inhibitory activity was due to bacteriophage. Three isolates, LRC0253, LRC0255, and LRC0476, were selected for further characterization. Analysis of 16S rib ...
DOI:
10.1128/AEM.67.2.569-574.2001
PubMed:
11157218
PubMed Central:
PMC92622

9. Molecular analysis of bacterial populations in the ileum of broiler chickens and comparison with bacteria in the cecum

Author:
Forster, R.J.,   et al.   ; Gong, J.; Yu, H.; Chambers, J.R.; Wheatcroft, R.; Sabour, P.M.; Chen, S.;     Show all 7 Authors
Source:
FEMS microbiology ecology 2002 v.41 no.3 pp. 171-179
ISSN:
0168-6496
Subject:
Enterococcus cecorum; Lactobacillus; bacteria; broiler chickens; cecum; databases; genes; ileum; intestinal microorganisms; mucosa; probiotics; restriction fragment length polymorphism; ribosomal RNA; sequence analysis
Abstract:
... Bacterial populations in the ileum of broiler chickens were analyzed by molecular analysis of 16S rRNA genes and compared to those in the cecum. Bacteria found in the ileal mucosa were mainly Gram-positive with low G+C content. There were 15 molecular species among 51 cloned sequences. More than 70% of the cloned sequences were related to lactobacilli and Enterococcus cecorum. Two sequences had 95 ...
DOI:
10.1111/j.1574-6941.2002.tb00978.x
PubMed:
19709251

10. 16S rDNA analysis of Butyrivibrio fibrisolvens: phylogenetic position and relation to butyrate-producing anaerobic bacteria from the rumen of white-tailed deer

Author:
Forster, R.J.,   et al.   ; Teather, R.M.; Gong, J.; Deng, S.J.;     Show all 4 Authors
Source:
Letters in applied microbiology 1996 v.23 no.4 pp. 218-222
ISSN:
0266-8254
Subject:
rumen; Odocoileus virginianus; Butyrivibrio fibrisolvens; ribosomal DNA; phylogeny; nucleotide sequences; chemotaxonomy
DOI:
10.1111/j.1472-765X.1996.tb00069.x
PubMed:
8987694