Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| primary structure of alfalfa ferredoxin. | 1969 | 5769194 | |
| populations of dalapon-decomposing bacteria in soil as influenced by additions of dalapon or other carbon sources. | the numbers of bacteria capable of decomposing the herbicide dalapon were determined for five soils by the most-probable-number method. before treatment of the soils with dalapon, the numbers varied from 1,000 to 10,000 cells per g of soil. incubation of the soils with dalapon resulted in large increases (100-fold) in two of three soils in which dalapon was decomposed rapidly. lack of increase in numbers in spite of rapid decomposition in the other soil probably indicated breakdown by a chemical ... | 1969 | 5772393 |
| [electron microscopical study of the replicative rna of alfalfa mosaic virus]. | 1969 | 5772491 | |
| effects of corn distillers dried grains with solubles and dehydrated alfalfa meal on the utilization of urea nitrogen in beef cattle. | 1969 | 5773541 | |
| electron microscopy on in vivo aggregation forms of a strain of alfalfa mosaic virus. | 1969 | 5776316 | |
| studies on alfalfa mosaic virus. i. the protein and nucleic acid. | 1969 | 5777560 | |
| studies on alfalfa mosaic virus. ii. the structure of the virus components. | 1969 | 5777561 | |
| infection of phaseolus vulgaris with alfalfa mosaic virus: inhibitory effect of pretreatment with turnip yellow mosaic virus. | 1969 | 5777564 | |
| the reversible dissociation of alfalfa mosaic virus. | 1969 | 5777565 | |
| nosema sp. infecting a laboratory colony of the alfalfa weevil. | 1969 | 5777836 | |
| ineffectiveness of a microsporidian and a granulosis virus in activating a cytoplasmic polyhedrosis virus in the alfalfa caterpillar, colias eurytheme. | 1969 | 5777841 | |
| separation of top and bottom components of alfalfa mosaic virus by combined differential and density gradient centrifugation. | 1969 | 5782930 | |
| the production of new types of symptoms by mixtures of different components of two strains of alfalfa mosaic virus. | 1969 | 5784045 | |
| comparison of 131-i retention in the plasma of rabbits fed toxic quantities of cupric or molybdate ions as supplements to a commercial pelleted diet or to an oats-alfalfa laboratory diet. | 1969 | 5801359 | |
| nutritional studies on whole-extract coagulated leaf protein and fractionated chloroplastic and cytoplasmic proteins from lucerne (medicago sativa). | 1969 | 5807296 | |
| amino acid analyses of two strains of alfalfa mosaic virus. | 1969 | 5811915 | |
| comparisons between alfalfa silage and hay. | 1969 | 5812619 | |
| heptachlor persistence in the alfalfa-production environment. | 1965 | 5837883 | |
| properties of ribonucleic acid from alfalfa mosaic virus and related components. | 1965 | 5850883 | |
| effect of ration moisture level on value of alfalfa plus cracked corn as a complete-feed silage for lactating cows. | 1965 | 5893402 | |
| performance of steers and rumen fermentation as influenced by physical form of ingredients and alfalfa: corn ratio. | 1966 | 5905492 | |
| coumestrol in alfalfa as a factor in growth and carcass quality in lambs. | 1966 | 5905500 | |
| changes in concentrations of nitrogen and free and bound amino acids in alfalfa and pea infected by ditylenchus dipsaci. | 1966 | 5912635 | |
| [on the presence of rhizobium (rhizobium meliloti) in the nodules of alfalfa cultivated in sahara oases (el afiane, southeastern algeria)]. | 1966 | 5936219 | |
| effects of corn, wheat, oats and alfalfa leaf meal on the development of gastric ulcers in swine. | 1966 | 5948337 | |
| evidence for an unidentified growth factor(s) from alfalfa and otherplant sources for young guinea pigs. | 1966 | 5950206 | |
| enzymatic techniques for the study of pathways of carbohydrate utilization in the rumen. | enzymatic techniques were used to study the metabolism of carbohydrates by ruminal bacteria. a direct relationship was observed between the proportions of acetate and propionate formed and the specific activities of the enzymes which participate in forming these acids. an inverse relationship between butyrate formation and butyrate-forming enzymes was observed. the relative activities of succinic dehydrogenase to fumaric reductase, nicotinamide adenine dinucleotide-linked glutamic dehydrogenase ... | 1966 | 5950250 |
| medium without rumen fluid for nonselective enumeration and isolation of rumen bacteria. | colony counts which approximated those in a habitat-simulating, rumen fluid-agar medium (rfm) were obtained in medium 10, a medium identical to the rfm except for the replacement of rumen fluid with 1.5 x 10(-6)m hemin, 0.2% trypticase, 0.05% yeast extract, and a 6.6 x 10(-2)m volatile fatty acid mixture qualitatively and quantitatively similar to that in rumen fluid. single deletion of trypticase, yeast extract, or the volatile fatty acid mixture from medium 10 significantly reduced colony coun ... | 1966 | 5970467 |
| bioelectric activity of the central nervous system in normal and diapausing alfalfa weevils. | 1966 | 6003744 | |
| bloat producing capacity and pectin methyl esterase activity of alfalfa stands of various moisture levels. | 1966 | 6006708 | |
| the effects of alfalfa on serum cholesterol and in modifying or preventing cholesterol-induced atherosclerosis in rabbits. | 1967 | 6030862 | |
| stimulatory effects of diseased and disease-free alfalfa hay on the uterus of ovariectomized ewes. | 1967 | 6039798 | |
| effect of various essential oils isolated from douglas fir needles upon sheep and deer rumen microbial activity. | the effects of essential oils isolated from douglas fir needles on sheep and deer rumen microbial activity were tested by use of an anaerobic manometric technique. rumen microorganisms were obtained from a sheep which had been fed mainly on alfalfa hay and dried range grass. one deer used in this study had access to douglas fir trees the year around, whereas the other deer had no access to douglas fir. all of the monoterpene hydrocarbons isolated from douglas fir needles-alpha-pinene, beta-pinen ... | 1967 | 6049303 |
| toxicity of tobacco smoke to the spotted alfalfa aphid therioaphis maculata (buckton). | 1967 | 6053423 | |
| [on a substance inhibiting the sperm vesicle from alfalfa]. | 1967 | 6055939 | |
| [effects of administration of constituents of the medic herb (medicago sativa l.) in broilers]. | 1967 | 6057663 | |
| bloat in cattle. 13. efficacy of molasses-salt blocks containing poloxalene in control of alfalfa bloat. | 1967 | 6064143 | |
| transfer coefficients of fallout cesium-137 to milk of dairy cattle fed pasture, green-cut alfalfa, or stored feed. | 1967 | 6067957 | |
| effects of feed intake upon bloating patterns in lambs fed alfalfa soilage. | 1967 | 6068030 | |
| [antagonism of soil fungi to verticillium albo-atrum r. and b., agent of verticillium wilt of alfalfa]. | 1967 | 6068176 | |
| poloxalene for treatment of cattle with alfalfa bloat. | 1967 | 6068181 | |
| copper sulfate-induced fermentation changes in continuous cultures of the rumen microbial ecosystem. | the effect of cuso(4) on fermentation was studied in a continuously cultured rumen ecosystem. cuso(4), introduced at a level of 50 mg/500 ml of culture volume twice daily, caused a marked inhibition of fermentation of concentrates. fermentation of alfalfa hay was not inhibited by the same cuso(4) concentration when the inoculum for the culture was obtained from a cow maintained on a normal concentrate ration. when the inoculum was from a cow on a high concentrate ration, hay fermentation was par ... | 1967 | 6077413 |
| [activating effect of alfalfa extracts on the activity of estradiol dipropionate]. | 1967 | 6077869 | |
| influence of dietary fiber on the performance and cellulase activity of growing-finishing swine. | number of cellulolytic bacteria and their cellulase activity were determined from fecal samples of eight pairs of littermate pigs representing four litters (26 to 32 kg) fed a low or high fiber diet ad libitum (0 or 35% alfalfa meal, respectively) over a 70-d period. fecal samples were obtained from all pigs on d 0, 5, 11, 18, 32, 53 and a final sample between d 67 to 70. cecum and colon samples were obtained at slaughter. growth and carcass data were also obtained during the study. pigs fed the ... | 1984 | 6090377 |
| effect of diet on t-2 toxicosis. | t-2 toxin is an emetic trichothecene mycotoxin produced by fusarium molds. this compound causes feed refusal, emesis and lesions in the gastrointestinal tract of livestock, poultry and man. studies in our laboratory have indicated that the feeding of high fibre diets, non-nutritive mineral additives and high fat diets can largely overcome feed refusal caused when t-2 toxin is fed to rats. subsequent experiments were designed to determine the mechanism by which such diets exert this effect. rats ... | 1984 | 6093476 |
| effect of whole and fractionated dietary alfalfa meal on zearalenone toxicosis and metabolism in rats and swine. | experiments were conducted to determine the mechanism by which dietary alfalfa can protect against zearalenone toxicosis. female weanling rats were fed semipurified diets containing whole alfalfa meal, fractionated alfalfa meal (fiber, solvent extract, and water extract), and purified components of alfalfa (coumestrol, saponin, lignin, coumestrol + lignin, and saponin + lignin) with and without 250 mg zearalenone/kg of diet. all ingredients were provided for 2 weeks at levels corresponding to th ... | 1984 | 6093971 |
| effect of sodium bicarbonate addition to alfalfa hay-based diets on digestibility of dietary fractions and rumen characteristics. | three trials were to evaluate effects of sodium bicarbonate in alfalfa hay-based diets. in experiment 1, four jersey cows were fed diets of 40:60 chopped alfalfa hay:grain with either 0, .25, .5, and .75% sodium bicarbonate in a 4 x 4 latin square digestion trial. dry matter and fiber digestion were unaffected. volatile fatty acids of ruminal fluid and milk fatty acids were not different. in experiment 2, two rumen fistulated cattle were fed diets of experiment 1 for changes of ruminal fluid cha ... | 1984 | 6094626 |
| response of milking cows fed a high concentrate, low roughage diet plus sodium bicarbonate, magnesium oxide, or magnesium hydroxide. | to determine the ability of mineral supplements to elevate depressed milk fat percent, we placed 42 holstein cows in early to midlactation in seven blocks and assigned each to one of six treatments: control (25% corn silage and alfalfa haylage, 75% concentrate, mostly corn, dry matter); control plus magnesium oxide ground to pass a .425-mm sieve; control plus prilled magnesium oxide sieved to between 1.70 and .425 mm; control plus sodium bicarbonate; control plus reactive powdered magnesium oxid ... | 1984 | 6097603 |
| intraspecies variability in transmission efficiency of stylet-borne viruses by the pea aphid (acyrthosiphon pisum). | the efficiency of bean yellow mosaic virus (bymv; potyvirus group) tranasmission from pea to pea plants by 36 clones of the pea aphid (acyrthosiphon pisum) was studied. the efficiency of the clones varied; it was not related to the aphid colour form (green, red or yellow) or the origin of the clone (host plant, geographic area). with alfalfa mosaic virus, the virus-vector relationships concerning transmission efficiency were, in general, similar to those found with bymv. the behaviour of the clo ... | 1980 | 6108064 |
| calcium excretion in feces of ungulates. | 1. fecal excretion of calcium was examined in 122 individual ungulates representing 7 species of equidae, 3 species of tapiridae, 3 species of rhinocerotidae, 2 species of elephantidae, 2 species of hippopotamidae, 12 species of bovidae, 2 species of cervidae, 3 species of camellidae and 1 species of giraffidae. 2. animals were fed timothy hay, a low calcium diet or alfalfa hay, a high calcium diet. 3. in a few cases oat straw or prairie hay was used instead of timothy hay. 4. samples of feces w ... | 1983 | 6131781 |
| effect of bilirubin infusion on excretion of bilirubin and biliverdin in rabbits. | intravenous infusion of bilirubin (br) at 171 micrograms/min/kg into rabbits resulted in biliary concentration of br increasing from 3.8 (control) to 243 mg/dl and br excretion increasing from 1.7 to 66 micrograms/min/kg. br infusion resulted in biliary concentrations of biliverdin (bv) increasing from 9.1 to 30 g/dl and bv excretion increasing from 4.2 to 8.2 micrograms/min/kg. br infusion produced a progressive decline in bile flow. bv was the predominant bile pigment in control rabbits fed ei ... | 1983 | 6139208 |
| nucleotide sequence of the putative recognition site for coat protein in the rnas of alfalfa mosaic virus and tobacco streak virus. | the sequence of the 3'-terminal 180 and 140 nucleotides of rnas 2 and 3, respectively, of tobacco streak virus (tsv) was deduced by reverse transcription in the presence of a specific primer and chain terminators. homology between the two rnas was found to be restricted to a 3-terminal region of about 45 nucleotides. the data were compared with the sequence of the homologous region of 145 nucleotides occurring at the 3'-termini of the alfalfa mosaic virus (a1mv) rnas, which contains the specific ... | 1980 | 6160470 |
| aortic sudanophilia an zinc-copper ratios in the liver of vervet monkeys fed different types of dietary fibre. | vervet monkeys (cercopithecus aethiops pygerethrus) were fed a semipurified diet containing 40% sucrose, 25% casein, 14% hydrogenated coconut oil and 15% fibre for 6 months. alfalfa, cellulose, or wheat straw was the source of the fibre. all the diets led to aortic sudanophilia, but the group fed wheat straw had the highest copper level in the liver and the least sudanophilia. the order to severity of the sudanophilia, the ratio of zinc to copper in the fibers, and the ratio of zinc to copper in ... | 1981 | 6164104 |
| the effect of dietary fiber on human pancreatic enzyme activity in vitro. | human pancreatic juice was used as a source of amylase, lipase, trypsin, and chymotrypsin. the human pancreatic juice was incubated with one of several dietary fibers, including alfalfa, oat bran, pectin. solka floc, wheat bran, and xylan. in addition, the human pancreatic juice was incubated without any fiber, which was used as the control. incubation with solka floc (cellulose) and xylan (a hemicellulose) resulted in a substantial loss of activity in all enzymes assayed. wheat bran and oat bra ... | 1981 | 6165234 |
| effect dietary corn starch intake on pancreatic amylase and intestinal maltase and ph in cattle. | the ph optimum of pancreatic alpha-amylase from grain-fed steers was determined to be 6.9, while that of intestinal maltase was established at 5.8. both assays were found to be linear up to 1 hr of incubation. the v max of pancreatic amylase was determined to be pancreatic amylase was determined to be 1.15 mg of maltose monohydrate produced/hr. activities of pancreatic and intestinal maltase were not reduced (p greater than .05) during the interval from sample collection from the animal until an ... | 1981 | 6165710 |
| heterogeneous chromatographic behaviour or soluble rna replicase from healthy and virus-infected tobacco leaves: an improvement of the purification methodology. | during purification of soluble rna replicase from healthy and alfalfa mosaic virus-infected tobacco leaves, crude extracts were chromatographed on deae-sephadex a-25, and three rna-dependent rna polymerase activities were obtained; one of these was previously characterized as a true rna replicase, the remaining two were not studied (chifflot et al., 1980, virology 100, 91). we now demonstrate that all of these activities correspond to the same rna replicase, complexed or not to cellular or viral ... | 1981 | 6173393 |
| effect of diet on amino and nucleic acids of rumen bacteria and protozoa. | amino acid composition and nucleic acid content of pure cultures of rumen bacteria (17 species) were analyzed. amino acid composition between gram-positive and -negative organisms was not different. the total nitrogen content of gram-negative bacteria (10.8%) was significantly higher than gram-positive organisms (9.9%). deoxyribonucleic acid-nitrogen: total nitrogen (mg/g) differed between gram-positive (8.8) and gram-negative (18.9) bacteria, but there was no significant difference in ratio of ... | 1982 | 6185549 |
| molecular characterization of tn5-induced symbiotic (fix-) mutants of rhizobium meliloti. | to investigate the expression of specific symbiotic genes during the development of nitrogen-fixing root nodules, we conducted a systematic analysis of nodule-specific proteins and rnas produced after the inoculation of alfalfa roots with a series of rhizobium meliloti mutants generated by site-directed transposon tn5 mutagenesis. the mutagenized region of the rhizobium genome covered approximately 10 kilobases and included the region encoding the nitrogenase polypeptides. all mutant strains tha ... | 1983 | 6196347 |
| complete nucleotide sequence of rna 3 from alfalfa mosaic virus, strain s. | we report the sequence of rna 3 from strain s of alfalfa mosaic virus (2,055 nucleotides). this rna codes for a 32.4 kd protein (p3) and for the 24 kd coat protein (p4). the largest part of the sequence was established using rna sequencing methods. the completion of the sequence in the region coding for p3 was achieved with cloned cdna synthesized after priming at internal sites of rna 3. comparison of the rna sequences coding p3 and p4 proteins in strain s with those reported in the literature ... | 1984 | 6205697 |
| primary structural comparison of rna-dependent polymerases from plant, animal and bacterial viruses. | possible alignments for portions of the genomic codons in eight different plant and animal viruses are presented: tobacco mosaic, brome mosaic, alfalfa mosaic, sindbis, foot-and-mouth disease, polio, encephalomyocarditis, and cowpea mosaic viruses. since in one of the viruses (polio) the aligned sequence has been identified as an rna-dependent polymerase, this would imply the identification of the polymerases in the other viruses. a conserved fourteen-residue segment consisting of an asp-asp seq ... | 1984 | 6207485 |
| effect of dietary alfalfa on zearalenone toxicity and metabolism in rats and swine. | experiments were conducted with rats and swine to determine the potential of dietary alfalfa as a treatment for zearalenone (z) toxicosis. ninety-six female weanling wistar rats were fed a casein-based semipurified diet containing 0, 15 or 25% alfalfa and 0 or 250 micrograms z/g feed. exposure to z for 14 d resulted in reduced growth, feed consumption and feed efficiency as well as kidney and liver enlargement and reduced activity of 3 alpha-hydroxysteroid dehydrogenase (3 alpha-hsd). z had no e ... | 1982 | 6214539 |
| effect of dietary wheat bran, alfalfa, pectin and carrageenan on plasma cholesterol and fecal bile acid and neutral sterol excretion in rats. | 1980 | 6247470 | |
| intestinal microflora in the guinea pig as observed by scanning electron microscopy. effect of fibrous dietary supplements. | the gastrointestinal ecosystems of weanling guinea pigs fed a purified diet with and without supplements of cabbage, alfalfa and holocellulose were examined by scanning electron microscopy. the diets, which were based on soybean protein, sucrose and wood cellulose, were fed for 28 days and the mucosa and associated microbes were fixed in situ. bacteria, rods and cocci being the predominant morphological types, were commonly observed on the epithelial surface of the jejunum and ileum and much les ... | 1980 | 6249899 |
| the effect of starch on forage fiber digestion kinetics in vitro. | purified corn and wheat starch were added to alfalfa, coastal bermudagrass, fescue, and orchardgrass hays at 0, 40, 60, and 80% of the total as-fed substrate, and fiber digestion kinetics were determined in vitro. kinetics were estimated by the model r = doe-k(t-l) + u where r is residue remaining at time t, do is digestible fraction, k is digestion rate constant, l is discrete lag time, and u is indigestible fraction. parameters of the model were estimated by logarithmic transformation and a di ... | 1980 | 6253541 |
| fiber sources for complete calf starter rations. | complete calf starter rations containing either 1) alfalfa hay, 2) cottonseed hulls, or 3) alfalfa-beet pulp as sources of fiber were fed to holstein heifer calves at two locations on a limited milk program from 3 days to 12 wk of age. rations were isonitrogenous and similar in content of crude fiber and acid detergent fiber. although growth and development were normal on all rations, calves fed the cottonseed hull ration consumed more starter and gained more body weight than calves fed the othe ... | 1980 | 6255021 |
| evaluation of an alfalfa silage-corn silage roughage feeding program for raising dairy heifers. | one hundred and ninety-seven dairy heifers, which included a holstein line, an ayrshire line, and a reciprocal cross line, were assigned randomly to two forage treatments at 57 days of age. forages fed to control heifers consisted of 40% grass-legume hay, 20% wilted grass silage, and 40% corn silage (dry matter). the second, or silage group, was fed a dry matter mixture of 40% corn silage and 60% direct cut alfalfa silage, formic acid treated. both groups of heifers were fed the same quantity of ... | 1980 | 6259225 |
| effect of chronic intake of dietary fibers on the ultrastructural topography of rat jejunum and colon: a scanning electron microscopy study. | this report is an attempt to quantitate the observable topographical characteristics of small and large intestine after a specific dietary regimen under well-defined states of lipid absorption and metabolism. alfalfa, white wheat bran, cellulose, and pectin were fed for 6 wk at a level of 15 g/100 g diet to four groups of rats (12 rats per dietary group). a 5th control group was maintained on purina rat chow. three animals from each group were blind-coded for morphological assessment. after anes ... | 1981 | 6259920 |
| effect of dietary protein, alfalfa, and zeolite on excretory patterns of 5',5',7',7'-[3h]zearalenone in rats. | a series of experiments was conducted to determine how dietary protein, alfalfa, or zeolite influence the excretory patterns of zearalenone (z), a uterotropic mycotoxin synthesized by fusarium fungi. rats were fed diets containing 16.3% casein, 40% casein, 11.2% casein + 25% alfalfa, or 25% casein + 25% alfalfa. also fed were diets containing 0, 1, 2, or 5% anion exchange zeolite. tracer doses of [3h]z were administered either as a constituent of the diet or as a topical application on the skin ... | 1980 | 6260315 |
| ultrastructural modifications of intestinal and colonic mucosa induced by free or bound bile acids. | there is substantial evidence that bile acids may enhance the colon tumorigenesis induced by chemical carcinogens and that agents stimulating increased bile acid excretion may show similar promoting or enhancing activity. to test the premise that these agents might modify topographical ultrastructure of the small intestine and colon in the absence of carcinogens, rats were fed for 6 weeks on chemically defined diets containing 2% levels of three commercial bile acid sequestrants or 15% levels of ... | 1981 | 6266663 |
| terminal uridylyl transferase of vigna unguiculata: purification and characterization of an enzyme catalyzing the addition of a single ump residue to the 3'-end of an rna primer. | an enzyme which catalyzes the addition of a single ump residue from utp to the 3'-end of an rna primer and which is referred to as terminal uridylyl transferase (tut) has been extensively purified from the membrane fraction of vigna unguiculata leaves. the purification procedure involved (i) solubilization by cation depletion (ii) deae-sepharose cl-6b column chromatography (iii) affinity chromatography of poly(u)-sepharose 4b and (iv) glycerol gradient centrifugation. the molecular weight of the ... | 1981 | 6269049 |
| physical and genetic characterization of symbiotic and auxotrophic mutants of rhizobium meliloti induced by transposon tn5 mutagenesis. | we have physically and genetically characterized 20 symbiotic and 20 auxotrophic mutants of rhizobium meliloti, the nitrogen-fixing symbiont of alfalfa (medicago sativa), isolated by transposon tn5 mutagenesis. a "suicide plasmid" mutagenesis procedure was used to generate tn-5-induced mutants, and both auxotrophic and symbiotic mutants were found at a frequency of 0.3% among strains containing random tn5 insertions. two classes of symbiotic mutants were isolated: 4 of the 20 formed no nodules ... | 1982 | 6274841 |
| clustering of nitrogen fixation (nif) genes in rhizobium meliloti. | a cloned 17.3-kilobase region of the rhizobium meliloti genome with homology to the klebsiella pneumoniae nitrogenase structural genes was studied. limits on the extent of homology were determined. transposon mutagenesis of this region of the genome verified that it contained functional nif genes, some transposon insertions resulted in a defective symbiotic phenotype, whereas others had no noticeable effect on symbiotic competence. the relative position of insertions yielding these two phenotypi ... | 1982 | 6274844 |
| influence of dietary fibers on fermentation in the human large intestine. | fiber sources were fed to 24 men to evaluate the effect of fiber on large intestinal microflora. the diets were low fiber basal or the basal diet supplemented with coarse bran, fine bran, cabbage, or cellulose (solka floc). twelve subjects (group 1) were fed all fiber sources using a latin square design with 2-week experimental periods followed by a 3-week period on the basal diet. group 2 made one diet change after the first experimental period, then remained on that diet throughout the experim ... | 1982 | 6275053 |
| carbohydrate fermentation in the large intestine of lambs. | in one of two experiments, six 4-mo-old wethers fitted with ileal and cecal cannulas were fed three levels of concentrate (0, 40 or 80% corn) with forage in a replicated 3 x 3 latin square design. chromic oxide was fed as a marker. quantities of starch recovered at the ileum and digested in the large intestine increased (p less than .05) with increased starch intake. quantities of acid detergent fiber (adf) recovered at the ileum increased with increased adf intake; however; adf digestion (grams ... | 1982 | 6282799 |
| effects of dietary fibers on lipid metabolism in liver and adipose tissue in chicks. | two experiments were conducted to investigate the effect of dietary fibers on lipid metabolism with 14-day-old male chicks fed isonitrogenous and isocaloric diets with or without 4% cellulose or 8% alfalfa meal for 3 and 6 weeks. feeding the cellulose or alfalfa meal resulted in significant reductions in hepatic lipid deposition and plasma lipid content. hepatic de novo fatty acid synthesis from acetate, glucose and leucine was significantly reduced by feeding the cellulose or alfalfa meal. trig ... | 1982 | 6284893 |
| effects of intraruminal infusions of mineral salts on volatile fatty acid production in steers fed high-grain and high-roughage diets. | four rumen fistulated holstein steers were used to assess the effects of intraruminal salt infusions on various rumen characteristics including volatile fatty acid production rates. in the first experiment, the basal diet consisted of 75% concentrate and 25% corn silage (high-grain diet). the experimental design was a 4 x 4 latin square in which the four treatments were: 1) intraruminal infusion of 8 liters of water (control) or 8 liters of water plus 2) 288 g sodium bicarbonate, 3) 200 g sodium ... | 1982 | 6286743 |
| influence of high-fiber diet on bacterial populations in gastrointestinal tracts of obese- and lean-genotype pigs. | bacterial populations from gastrointestinal tracts of genetically lean and obese pigs fed a low- or high-fiber diet (0 or 50% alfalfa meal, respectively) were enumerated with rumen fluid media and specific energy sources. total culture counts in rectal samples declined 56 (p greater than 0.05) and 63% (p less than 0.05) in lean and obese animals, respectively, 3 weeks after feeding the high-fiber diet. after 8 weeks, culture counts had risen and were similar to those obtained before alfalfa was ... | 1982 | 6289744 |
| proton-magnetic-resonance studies on the coat protein of alfalfa mosaic virus. | 1982 | 6290214 | |
| effect of feeding alfalfa and refined plant fibers on the toxicity and metabolism of t-2 toxin in rats. | experiments were conducted to determine the effect of dietary fibers on t-2 toxicosis in rats. weanling rats were fed varying levels of cellulose, hemicellulose, lignin and pectin with and without t-2 toxin (3 micrograms/g feed) for 2 weeks. only lignin showed promise of overcoming feed refusal and growth depression in animals fed t-2 toxin. further experiments feeding alfalfa meal (0, 5, 10, 15, 20 or 25%) with and without t-2 toxin indicated that this lignin-rich feedstuff could largely overco ... | 1983 | 6296341 |
| effects of dietary fibers on mineral status of chicks. | we investigated the effects of replacing dietary starch with dietary fibers of various types and particle sizes on utilization of bivalent cations by chicks. inclusion of polyethylene powder, alfalfa cell walls, corn bran, oat bran and wheat bran into diets resulted in lower serum and tibia zn levels. however, addition of pectin, cellulose and a xylose:gum arabic (50:50) mixture did not affect tissue zn levels, whereas addition of 4% lignin increased serum zn level from 2.50 to 3.44 micrograms/m ... | 1983 | 6298389 |
| complete nucleotide sequence of alfalfa mosaic virus rna 1. | double-stranded cdna of alfalfa mosaic virus (almv) rna 1 has been cloned and sequenced. from clones with overlapping inserts, and other sequence data, the complete primary sequence of the 3644 nucleotides of rna 1 was deduced: a long open reading frame for a protein of mr 125,685 is flanked by a 5'-terminal sequence of 100 nucleotides and a 3' noncoding region of 163 nucleotides, including the sequence of 145 nucleotides the three genomic rnas of almv have in common. the two uga-termination cod ... | 1983 | 6298738 |
| dietary influences on excretory pathways and tissue residues of zearalenone and zearalenols in the rat. | experiments were conducted with male weanling rats to determine the effect of high dietary protein (40% casein), alfalfa (25%), protein + alfalfa (25% casein + 25% alfalfa), or anion-exchange resin (5%) on the relative proportions of free and conjugated zearalenone and zearalenols excreted in urine and feces following a single oral dose of zearalenone. about 90% of the dose was excreted in feces after 48 h while the remaining 10% was excreted in urine. zearalenone and metabolites were excreted m ... | 1982 | 6299487 |
| in vitro binding of the food mutagen 2-amino-3-methylimidazo[4,5-f]quinoline to dietary fibers. | the ability of three kinds of fiber to bind to 2-amino-3-methylimidazo[4,5-f]quinoline (iq), a potent bacterial mutagen formed during the cooking of meat, was investigated to determine interactions among important food components. at ph 6.5 corn bran, wheat bran, and alfalfa meal each bound approximately 50% of the available iq after incubation for 1 hour. binding was ph-dependent, occurred optimally between ph 4 and 6, and was probably due to a cation-exchange mechanism. the ph at which iq is e ... | 1983 | 6300504 |
| in vitro effect of ph variations on rumen fermentation, and in vivo effects of buffers in lambs before and after adaptation to high concentrate diets. | an in vitro wheat fermentation study (exp. 1) was conducted to investigate the effect of ph (ph 7, 6, 5 and 4) on rumen lactate and vfa production. in another study (exp. 2), lambs were fed high concentrate diets containing either no additions (control), 2% sodium bentonite, 2% limestone, 2% nahco3 or 10% alfalfa hay. the effect of these diets was determined on ruminal and systemic measurements before and after dietary adaptation. effect of the control, bentonite, limestone and nahco3 treatments ... | 1983 | 6302060 |
| site of protein digestion in steers: predictability. | the nature and predictability of protein digestion in steers were examined in a series of experiments. bypass and intestinal digestion of supplemental proteins were measured with angus steers (203 to 254 kg) fitted with dual reentrant intestinal cannulas. daily feed intakes were 1.8 to 1.9% of body weight. two trials were conducted with soybean meal, cottonseed meal, a hardened casein, meat meal and two different sources of dehydrated alfalfa meal fed with an 80% concentrate diet. in the third t ... | 1983 | 6302061 |
| characteristics of water soluble markers for measuring rumen liquid volume and dilution rate. | the utility of five water soluble markers (wsm) for measuring rumen liquid volume and dilution rate was examined in nine in vitro and in vivo experiments. the wsm tested included polyethylene glycol (peg) and ethylenediaminetetraacetic acid (edta) complexes of cr, co, fe and yb. feedstuffs incubated in vitro absorbed variable amounts of distilled h2o and autoclaved rumen fluid with roughages imbibing greater (p less than .05) amounts of fluid than feeds higher in starch. liquid present in the fe ... | 1983 | 6302062 |
| effects of varying particle size of forage on digestion and chewing behavior of dairy heifers. | eighteen holstein heifers were fed long and chopped coarse and fine alfalfa hay ad libitum to evaluate effects of physical form on digestion and chemical composition of feed and fecal particles and to examine the applicability of a sinusoidal model to chewing behavior. recordings of jaw movement were divided into 1-h segments for analysis. least square mean size of fecal particles from coarse and finely chopped diets were 290 and 297 micrometers as compared to 227 micrometers on long hay. intake ... | 1983 | 6304163 |
| complete nucleotide sequence of alfalfa mosaic virus rna 2. | double-stranded cdna of in vitro polyadenylated alfalfa mosaic virus (almv) rna 2 has been cloned and sequenced. the use of an oligodeoxyribonucleotide corresponding to the known sequence of the 5'-end of rna 2 to prime second-strand dna synthesis, enabled us to construct the complete primary structure of almv rna 2. the sequence of 2,593 nucleotides contains a long open reading frame for a protein of mr 89,753 starting at the first aug codon from the 5'-end. this coding region is flanked by a 5 ... | 1983 | 6304618 |
| response of early weaned rabbits to source and level of dietary fiber. | growth, cecal volatile fatty acids, mineral profile of plasma, liver weight and gastrointestinal weights were measured in rabbits fed isonitrogenous, equicaloric diets containing 3, 6, 9 or 12% dietary crude fiber from either alfalfa or coastal bermuda grass. rabbits were fed from 4 to 8 wk of age. alfalfa diets improved (p less than .05) average daily gain (20.5 vs 11.9 g/d) and livability (67.5 vs 42.5%). feed intake, average daily gain and livability increased linearly with increasing fiber c ... | 1983 | 6305903 |
| effects of dietary cabbage, brussels sprouts, illicium verum, schizandra chinensis and alfalfa on the benzo[alpha]pyrene metabolic system in mouse liver. | male c57b16 mice were fed on diets containing either 20% cabbage, 20% brussels sprouts, 20% alfalfa, 5% schizandra chinensis or 5% illicium verum (two chinese medicinal herbs) or on a chow or purified basal diet for 14 days after a 1-wk equilibration period on the basal diet. liver microsomal fractions were assayed for cytochrome p-450 content, aryl hydrocarbon hydroxylase (ahh) and epoxide hydrolase (eh). liver microsome-mediated benzo[a]pyrene (bp) metabolism (with and without an eh inhibitor, ... | 1983 | 6311701 |
| 5'-conformation of capped alfalfa mosaic virus ribonucleic acid 4 may reflect its independence of the cap structure or of cap-binding protein for efficient translation. | most eukaryotic mrnas are characterized by the presence of a 5'-terminal cap structure (m7gpppn), and removal of the cap or translation of capped mrnas in the presence of cap analogues (m7g) results in most cases in a significant decrease in the translational efficiency of the mrnas. one way of explaining the importance of the 5'-cap is that cap-binding proteins recognize the cap structure, destabilize the mrna secondary structure, and thus allow the 40s ribosomal subunit to bind to the mrna [so ... | 1983 | 6317016 |
| effect of dietary fiber on a guinea pig intestinal anaerobe, bacteroides ovatus. | the purpose of this study was to determine the effect of fibrous plant components on the growth of intestinal bacteria. an anaerobe was isolated from the guinea pig cecum and identified as bacteroides ovatus. the organism was grown anaerobically in two types of media and shown to require hemin or protoporphyrin ix. treatment of the media with water-insoluble fractions of alfalfa, cabbage, spinach or wheat bran inhibited growth of the culture. inhibition occurred whether the residue remained in t ... | 1984 | 6319647 |
| computer-aided nucleic acid secondary structure modeling incorporating enzymatic digestion data. | we present a computer-aided method for determining nucleic acid secondary structure. the method utilizes a program which has the capability to filter matrix diagonal data on the basis of diagonal length, stabilization energy, and chemical and enzymatic data. the program also allows the user to assign selected regions of the structure as uniquely single-stranded or paired, and to filter out "trade-off" structures on the basis of such pairing. in order to demonstrate the utility of the program we ... | 1984 | 6320093 |
| effect of fiber and phytate source and of calcium and phosphorus level on phytate hydrolysis in the chick. | broiler chicks were fed a corn-soybean meal diet or a corn-soybean meal diet containing either 15% rice bran, 15% wheat bran, 15% alfalfa meal, 10% cellulose, or 10% cottonseed hulls. all diets contained 3190 kcal/kg of metabolizable energy, 22.8% protein, and either 1.0% calcium and .5% nonphytate phosphorus (pnp) or .85% calcium and .42% pnp. the diets were fed for 3 weeks at which time a digestion trial was conducted to determine the amount of phytate hydrolyzed. chicks consuming diets contai ... | 1984 | 6324157 |
| influence of sodium bicarbonate and magnesium oxide on digestion and metabolism in yearling beef steers abruptly changed from high forage to high energy diets. | eight rumen-cannulated steers (initial wt 330kg) were adapted to a mixed alfalfa-grass hay diet for 30 d and abruptly changed to complete mixed diets of corn silage, snapped ear corn and a corn-based supplement to determine the effects of buffers on diet adaptation, digestion and ruminal metabolism. the diets contained: 1) no buffer, 2) .5% magnesium oxide (mgo), 3) 1.0% sodium bicarbonate (nahco3) and 4) .5% mgo and 1.0% nahco3, as a percentage of diet dry matter (dm). digestion, metabolism and ... | 1983 | 6325380 |
| rhizobium meliloti nodulation genes allow agrobacterium tumefaciens and escherichia coli to form pseudonodules on alfalfa. | regions of the rhizobium meliloti symbiotic plasmid (20 to 40 kilobase pairs long) containing nodulation (nod) genes were transferred to agrobacterium tumefaciens or escherichia coli by conjugation. the a. tumefaciens and e. coli transconjugants elicited root hair curling and the formation of ineffective pseudonodules on inoculated alfalfa plants. a tumefaciens elicited pseudonodules formed at a variable frequency, ranging from 15 to 45%, irrespective of the presence of the ti plasmid. these pse ... | 1984 | 6327629 |
| effects of intake of a mixed dairy steers on digestion events. | ruminally cannulated steers were in a 4 x 4 latin square to determine the effect of amount of feed ingested on fiber digestion and other digestion events. alfalfa haylage, corn silage, and a corn-soybean meal mix were incorporated in a ratio 45:20:35 (dry matter) and fed at either 100, 85, 70, or 55% of ad libitum intake. acid-insoluble ash, lanthanum, and chromium-ethylenediaminetetraacetic acid were digestion, particulate, and liquid markers. apparent digestibility of dry matter, neutral deter ... | 1984 | 6330190 |
| evaluation of a mathematical model of rumen digestion and an in vitro simulation of rumen proteolysis to estimate the rumen-undegraded nitrogen content of feedstuffs. | twelve grain mixtures, one lucerne (medicago sativa) hay and one maize silage which had been used in mixed diets for which dietary nitrogen undegraded in the rumen (udn) had been estimated with duodenally-cannulated cows, were studied. total n in the feeds was fractionated into pool a (n soluble in borate-phosphate buffer), pool b (total n--(pool a + pool c)) and pool c (acid-detergent-insoluble n or residual n after 24 h incubation in protease solution). n solubilization in protease solution co ... | 1983 | 6357276 |
| collaborative study of the mpn, anderson-baird-parker direct plating, and hydrophobic grid-membrane filter methods for the enumeration of escherichia coli biotype i in foods. | five health protection branch laboratories compared two membrane filter methods (the anderson-baird-parker direct plating, and a hydrophobic grid-membrane filter method) against the most probable number procedure (mpn) for enumerating escherichia coli biotype i in foods. results were available in 24 h by both membrane filter methods, compared with 10-14 days by the mpn procedure. for ground beef, parmesan cheese, and cut green beans, the hydrophobic grid method generally gave the highest recover ... | 1983 | 6362808 |
| effects of feeding frequency on glucose concentration, glucose turnover, and insulin concentration in steers. | patterns of diurnal variation of glucose production, utilization, and concentration and of variation of insulin concentration in blood plasma were studied. four holstein steers (200 kg) were in a switchback design. each received 4.6 kg of 70% chopped alfalfa hay and 30% dry cracked corn daily, either as two equal meals at 12-h intervals or 12 equal meals at 2-h intervals. none of mean daily glucose production, utilization, and concentration nor mean insulin concentration was affected by feeding ... | 1984 | 6378999 |