rumen is a persistent and specific ecosystem consists of bacteria, protozoa and fungus where feed fermentation takes place in it. produced hydrogen in rumen can be used in the synthesis of the volatile fatty acids and the microbial protein and its excess would be eliminated through the production of methane by methanogenesis. nutritionists have tried to find ways to decrease loss and energy and...

fert, M.E. Cameron, B. R. Smith-Konter, R.T. Pappalardo, and G. C. Collins, University of Michigan, Atmospheric Oceanic and Space Sciences Department, [email protected], Jet Propulsion Laboratory California Institute of Technology, [email protected], University of Hawaii at Manoa, Department of Geology and Geophysics, [email protected], [email protected], 4 Wheaton College, Ph...

Degradation of plant N in the rumen results in the formation of ammonia-N and NAN. Rumen bacteria utilise these breakdown products to synthesise their cell proteins. This study was carried out to investigate the in vivo degradation of N-labelled duckweed in the rumen and the utilisation of the degradation products by rumen bacteria. We found that duckweed protein was relatively resistant to rum...

The adsorption of CO(2) in Li-, Na-, and K-FER was investigated by a combination of volumetric adsorption experiments, FTIR spectroscopy, and density functional theory. Experimental isosteric heats of CO(2), Q(st), depend significantly on the cation size, cation concentration, and on the amount of adsorbed CO(2). The differences observed in experimentally determined isosteric heats were interpr...

Hem observat que les construccions fer/donar + substantiu psicològic en català antic i medieval tenen una distribució diferent a la es dóna actual. Concretament, actualment s’hi observa predilecció per l’ús del verb fer, tria contrasta amb altres llengües, com ara el castellà: fer por vs. dar miedo. Tanmateix, llengua antiga hi ha “no·∙m fa paor” al costat de “los que·∙t donen por”. En aquest a...

BACKGROUND Rumen microbes play a greater role in host energy acquisition than that of gut-associated microbes in monogastric animals. Although genome-enabled advancements are providing access to the vast diversity of uncultivated microbes, our understanding of variables shaping rumen microbial communities is in its infancy. Viruses have been shown to impact microbial populations through a myria...

Rumen nitrogen metabolism values were estimated by the use of a single injection of 15(NH4)2SO4 into the rumen of sheep and consecutive 15N enrichment measurements in the rumen ammonia pool, rumen non-NH3-N (NAN) pool, rumen purine pool and blood urea-N (BUN) pool for a period of 24 h. Synthesis and degradation of N compounds in the rumen and passage of N to and from the rumen were evaluated on...

s of Scientific Investigations: Metabolism of n-Alkanesand Oversynthesis of Products by Microorganisms, Pushchino,Russia (1991) pp. 143–146. 49. T. Venter, J.L.F. Kock, P.J. Botes, M.S. Smit, A. Hugo, M. Jo-seph, Acetate enhances citric acid production by Yarrowialipolytica when grown on sunflower oil, Syst. Appl. Micro-biol. 27 (2004) 135–138. 50. T.K. Klasson, E.C. Clausen...

Fes/Fer non-receptor tyrosine kinases regulate cell adhesion and cytoskeletal reorganisation through the modification of adherens junctions. Unregulated Fes/Fer kinase activity has been shown to lead to tumours in vivo. Here, we show that Drosophila Fer localises to adherens junctions in the dorsal epidermis and regulates a major morphological event, dorsal closure. Mutations in Src42A cause de...

Terminal erythropoiesis is accompanied by extreme demand for iron to ensure proper hemoglobinization. Thus, erythroblasts must modify the "standard" post-transcriptional feedback regulation, balancing expression of ferritin (Fer; iron storage) versus transferrin receptor (TfR1; iron uptake) via specific mRNA binding of iron regulatory proteins (IRPs). Although erythroid differentiation involves...