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Articles 1321 - 1350 of 27412
Full-Text Articles in Entire DC Network
Dynamic Remodeling Of Centrioles And The Microtubule Cytoskeleton In The Lifecycle Of Chytrid Fungi, Alexandra F Long, Krishnakumar Vasudevan, Andrew Swafford, Claire M Venard, Jason E Stajich, Lillian K Fritz-Laylin, Jessica L Feldman, Tim Stearns
Dynamic Remodeling Of Centrioles And The Microtubule Cytoskeleton In The Lifecycle Of Chytrid Fungi, Alexandra F Long, Krishnakumar Vasudevan, Andrew Swafford, Claire M Venard, Jason E Stajich, Lillian K Fritz-Laylin, Jessica L Feldman, Tim Stearns
Biology Faculty Publications
Cell movement and division are complex behaviors driven by a dynamic internal cytoskeleton. The molecular components and principles of cytoskeletal assembly are well studied, but less is known about cytoskeletal remodeling events, including how centrioles transition from ciliary base to centrosome. Here we address this using the chytrid Rhizoclosmatium globosum, a zoosporic fungus which has centrioles and cilia, lost in most fungal lineages. Chytrids undergo reorganization of their microtubule cytoskeleton as they grow from zoospore to multinucleated coenocyte. We use evolutionary comparison, RNA sequencing, and expansion microscopy to understand this reorganization and further develop this organism as a model for …
Intersystem Crossing Outcompetes Triplet-Pair Separation From1(Tt) Below 270 K In Anthradithiophene Films, Eman M. Bu Ali, Arnau Bertran, Gabriel Moise, Shuangqing Wang, Rachel C. Kilbride, John E. Anthony, Claudia E. Tait, Jenny Clark
Intersystem Crossing Outcompetes Triplet-Pair Separation From1(Tt) Below 270 K In Anthradithiophene Films, Eman M. Bu Ali, Arnau Bertran, Gabriel Moise, Shuangqing Wang, Rachel C. Kilbride, John E. Anthony, Claudia E. Tait, Jenny Clark
Chemistry Faculty Publications
Singlet fission (SF) and triplet–triplet annihilation (TTA) are processes which may be exploited to boost the efficiency of solar energy technology. Despite being studied since the late 1960s, the mechanism of singlet fission is still not fully understood. This is partly because the main technique used to study singlet fission, optical or visible/near-IR transient absorption spectroscopy, cannot distinguish between the strongly coupled triplet-pair state1(TT), weakly interacting triplet pairs (T..T), and independent triplet states T1+ T1. To solve this problem, we combine transient optical spectroscopy performed as a function of magnetic field and transient electron …
“Literally Made Me Cry”: The Impact Of Course Material Costs On University Of Kentucky Students, Stephen Krueger
“Literally Made Me Cry”: The Impact Of Course Material Costs On University Of Kentucky Students, Stephen Krueger
Library Reports and White Papers
The Student Course Materials Cost Survey was administered September 16 – October 6, 2024. It was open to current students at the University of Kentucky (UK). The goals were to help UK Libraries better understand how the cost of course materials affects students at UK and to provide a snapshot of student spending across the university. The questions were based on similar research done at other institutions in Virginia (Virginia Course Materials Survey, 2021) and Florida (2022 Student Textbook and Instructional Materials Survey, 2022). Other work based on those surveys includes the 2023 Illinois Course Materials Survey (CARLI, 2023) and …
Evaluation Of Real-World Evidence To Assess Health Outcomes Related To Deprescribing Medications In Older Adults, Kaleen N. Hayes, Joshua David Niznik, Danijela Gnjidic, Frank Moriarty, Nha Tran, Antoinette B. Coe, Andrew R. Zullo, Sirui Zhang, Matthew Alcusky, Dimitri Bennett, Sirpa Hartikainen, Marie Laure Laroche, Xiaojuan Li, Joshua K. Lin, Jennifer L. Lund, Maurizio Sessa, Shahar Shmuel, Caroline Sirois, Denis Talbot, Miia Tiihonen, Xuerong Wen, Mouna J. Sawan, Daniela C. Moga
Evaluation Of Real-World Evidence To Assess Health Outcomes Related To Deprescribing Medications In Older Adults, Kaleen N. Hayes, Joshua David Niznik, Danijela Gnjidic, Frank Moriarty, Nha Tran, Antoinette B. Coe, Andrew R. Zullo, Sirui Zhang, Matthew Alcusky, Dimitri Bennett, Sirpa Hartikainen, Marie Laure Laroche, Xiaojuan Li, Joshua K. Lin, Jennifer L. Lund, Maurizio Sessa, Shahar Shmuel, Caroline Sirois, Denis Talbot, Miia Tiihonen, Xuerong Wen, Mouna J. Sawan, Daniela C. Moga
Epidemiology and Environmental Health Faculty Publications
Observational studies using real-world data (RWD) can address gaps in knowledge on deprescribing medications but are subject to methodological issues. Limited data exist on the methods employed to use RWD to measure the effects of deprescribing. To describe methodological approaches used in observational studies of deprescribing medications in older adults, we conducted a systematic review in Medline for observational studies published in English (January 1, 2000, to September 14, 2023) that examined the health effects of medication deprescribing in older adults. We described study characteristics and methods, focusing on the operationalization of deprescribing as an exposure and potential time-related biases. …
The Effects Of Overexpressing K2p Channels In Various Tissues On Physiology And Behaviors, Alaina C. Taul, Elizabeth R. Elliott, Douglas A. Harrison, Robin L. Cooper
The Effects Of Overexpressing K2p Channels In Various Tissues On Physiology And Behaviors, Alaina C. Taul, Elizabeth R. Elliott, Douglas A. Harrison, Robin L. Cooper
Biology Faculty Publications
Two-pore-domain K+ channels (K2p), known previously as leak channels, are responsible for maintaining the resting membrane potential of cells. Fifteen subtypes are known to exist in humans and eleven are known in Drosophila melanogaster, as well as six subfamilies; however, little is known about the expression of these subtypes in various animal tissues or the impact of altered expression on cellular physiology. The Drosophila melanogaster model allows for selective misexpression of certain neuron subsets, providing insight into individual cell types and the animal’s physiology more generally. Prior research on the overexpression of K2p channels and the resulting behavioral and …
Making Sense Of Myc In Skeletal Muscle, Ronald G. Jones, Sebastian Edman, Nathan Serrano, Yuan Wen, John J. Mccarthy, Christopher S. Fry, Ferdinand Von Walden, Kevin A. Murach
Making Sense Of Myc In Skeletal Muscle, Ronald G. Jones, Sebastian Edman, Nathan Serrano, Yuan Wen, John J. Mccarthy, Christopher S. Fry, Ferdinand Von Walden, Kevin A. Murach
Physiology Faculty Publications
No abstract provided.
Understanding The Potential Impact Of Ostracism On Lgbtq Health Disparities, Ellen D.B. Riggle
Understanding The Potential Impact Of Ostracism On Lgbtq Health Disparities, Ellen D.B. Riggle
Political Science Faculty Publications
Research finds harmful impacts of ostracism on the health and well-being of the ostracized individual (as well as the ostracizer and members of the community). While often conceptualized as social (interpersonal), ostracism may originate at multiple levels of the socio-ecological system, including forms of political and institutional ostracism. The ostracism of LGBTQ people originates in cultural stigma and is reproduced and reinforced at all levels, from discriminatory laws and institutional policies (e.g., workplace, educational), to the actions of community or family members, to interactions with strangers. Ostracism, acute and chronic, creates increased risk for psychological and physical harm to LGBTQ …
Differential Susceptibility To Friendship Quality, Rebekah B. Clapham, Yuji Kim, Megan M. Davis, Haina H. Modi, Haley V. Skymba, Karen D. Rudolph
Differential Susceptibility To Friendship Quality, Rebekah B. Clapham, Yuji Kim, Megan M. Davis, Haina H. Modi, Haley V. Skymba, Karen D. Rudolph
Psychology Faculty Publications
Friendships assume a salient role in well-being during mid-adolescence. This research examined (a) how friendship quality (stressful vs. supportive) is differentially associated with mid-adolescents’ social adjustment (engagement in antisocial vs. prosocial behavior); (b) the extent to which these associations are contingent on individual differences in the tendency to base one's self-worth on peer approval; and (c) whether these associations differ in boys and girls. Adolescents (N = 324; 179 girls; Mage = 14.87; SD = 1.22) completed questionnaires during a school-based assessment. For boys, friendship stress was associated with more antisocial behavior among adolescents with high levels of avoidance-oriented …
The Effect Of Cellulolytic Enzyme Preparations As In Vitro Improvement For Forage Digestibility, G Bertin, Ph Hellings
The Effect Of Cellulolytic Enzyme Preparations As In Vitro Improvement For Forage Digestibility, G Bertin, Ph Hellings
IGC Proceedings (1977-2023)
The systematic study of commercial preparations of fungal cellulases has been undertaken with the aim of determining the principal components and the contribution of each to the digestion of the plant cell wall. These enzymes, normally have three fold role-silage preservative by hydrolysing the cellulosic wall of plant material, cellulases make available fermentable sugars to the lactic bacteria. -Improvement of digestibility we can increase gain by 1 % of the dry matter in forage. - Improvement of intake if the animal digests more quickly his gut will empty more rapidly thus making it available sooner for a new intake of …
Effect Of Cellulase Preparation On Fermentation Of Silage, E No, Y Harasawa, A Ataku, N Narasaki, T Sueyoshi
Effect Of Cellulase Preparation On Fermentation Of Silage, E No, Y Harasawa, A Ataku, N Narasaki, T Sueyoshi
IGC Proceedings (1977-2023)
The effects of cellulase preparation (Meicelase) on silage fermentation were studied using the first cutting alfalfa and timothy. In one-liter laboratory silos with Meicelase of 0, 0.2, 0.4 and 0:8% of the fresh grasses, the fermentative quality was examined throughout a 30 day ensilage period. The amount of the lactic acid in the silage with the Meicelase was considerably greater than the control silage with no additive. In addition, the pH of that silage was low and the content of water soluble carbohydrate (WSC) was high. However, the differences in the amount of Meicelase applied had no effects in the …
Effects Of Sample Drying Method On Estimates Of Nutritive Value Value, S Uchida, H Hayashi, T Horigome
Effects Of Sample Drying Method On Estimates Of Nutritive Value Value, S Uchida, H Hayashi, T Horigome
IGC Proceedings (1977-2023)
The influence of different drying methods for the sample used for analysis on the estimates of the nutritive value of silage was investigated. The silages and hay were made from the same grass and fed to three wethers to determine digestibilities. The samples for analytical use of silages and hay fed, and feces excreted, were prepared by three drying techniques of freeze drying (F), oven drying at 60 C (L) and oven drying at 100 C (H) and then each dried sample was ground in a Wiley mill to pass a 0.5 mm screen. The residual moisture in prepared samples …
Effect Of Lactic Acid Bacteria On Silage Fermentation, Ph Hellings, G Bertin, M Vanbelle
Effect Of Lactic Acid Bacteria On Silage Fermentation, Ph Hellings, G Bertin, M Vanbelle
IGC Proceedings (1977-2023)
Inoculants were tested to determine their suitability for use as silage aids. Studies carried out in laboratory indicated (1) that the minimum inoculum should be at least 105 viable organisms per gram of fresh fodder and (2) of all bacterial strains tested, only the Lactobacillus and, specifically, L. casei improved storage characteristics. But the efficiency of an inoculant was subordinated to the fermentable sugars content of the crops. In this respect, alfalfa and second cut grass had the lowest potential for ensilage. Energy was supplied as a mixture of milled barley and amylolytic complex. The influence of a 1: 1: …
Ensilage Of Alfalfa Press-Cake. A Kinetic Model For Ph, Acidity And Nitrogen Evolution, G Amdrich, L Lencioni, R Florentini, G Anelli
Ensilage Of Alfalfa Press-Cake. A Kinetic Model For Ph, Acidity And Nitrogen Evolution, G Amdrich, L Lencioni, R Florentini, G Anelli
IGC Proceedings (1977-2023)
A kinetic model to describe the time evolution of pH, acidity, metabolizable nitrogen and k1 • B, ( a function related to the bacteria concentration) during ensilage of alfalfa press-cake is suggested. The basic hypotheses of the model are given together with the related differential and integral equations. The kinetic model has been tested using experimental data obtained from two samples of alfalfa press-cake respectively ensiled with and without acid addition. The correlation coefficients obtained indicate the reliability of the suggested model.
Ensilage Of Alfalfa Press-Cake, G Anelli, G Andrich, M Contini, L Lencioni
Ensilage Of Alfalfa Press-Cake, G Anelli, G Andrich, M Contini, L Lencioni
IGC Proceedings (1977-2023)
The Istituto Industrie Agrarie of the University of Pisa has developed a wet green crop fractionation process which involves the ensilage of the press-cake. This note reports some experimental results on the alfalfa press-cake ensiled with or without addition of acid. The evolution of silages was evaluated through organoleptic and chemical parameters. The good behaviour· during the ensilage shows that alfalfa press-cake is suitable to be ensiled even without previous acidification.
Coagulation Of Sheep Milk Added With Alfalfa Juice And Protein Concentrate, L Lencioni, R Florentini, A M. Pisanelli, C Galoppini
Coagulation Of Sheep Milk Added With Alfalfa Juice And Protein Concentrate, L Lencioni, R Florentini, A M. Pisanelli, C Galoppini
IGC Proceedings (1977-2023)
This note reports some experimental results on the preparation of food-grade products obtained by enzyme coagulation of sheep milk added with alfalfa juice, decolourized whole protein concentrate and cytoplasmic protein concentrate. Working conditions are reported together with the yields, chemical composition and organoleptic properties of the coagula. Products obtained from milk supplemented with low alfalfa juice (��5% dry basis) or protein concentrates (;;;;:10% dry basis) show a good acceptability. The ripening greatly reduces grass flavour and taste.
Effect Of Remaining Brown Juice In Wet Protein Curd On The Quality Of Leaf Protein After Drying, Y S. Cho, J K. Kim, T Horigome, S Uchifa
Effect Of Remaining Brown Juice In Wet Protein Curd On The Quality Of Leaf Protein After Drying, Y S. Cho, J K. Kim, T Horigome, S Uchifa
IGC Proceedings (1977-2023)
The influence of remaining brown juice ( deproteinised juice) in wet protein curd on the quality of resulting leaf protein was examined. Freshly cut Italian ryegrass and red clover were fractionated into protein curd, brown juice and pressed cake. Various leaf proteins were prepared by drying the protein curds retaining different amounts of brown juice at 65°C followed by acetone-washing, and by immediate acetone-washing of the protein curd. Casein-brown juice mixtures at the ratio of 1 :3 and 1: 6 were also prepared. The crude protein content of the dry matter in brown juice was very low, 9. 9% for …
The Nutritive Value Of Mixtures Of White Leaf Protein And Other Food Proteins, R Carlsson, P Hanczakowski
The Nutritive Value Of Mixtures Of White Leaf Protein And Other Food Proteins, R Carlsson, P Hanczakowski
IGC Proceedings (1977-2023)
The nutritive value of white leaf proteins were studied, as food supplements. The protein was obtained by heatfractionation ( Chenopodium quinoa Willd.) or by de-pigmentation (Medicago sativa L. ). The leaf protein was substituting 50% of the protein in a diet, where the remaining 50% came from wheat gluten, soya bean meal, bone-meat meal, fish meal, skim milk or whey. The nutritive value was estimated by the Thomas-Mitchell nitrogen balance method. The proximate chemical composition of the food protein products, and their amino acid composition were analysed. In every mixture but the one with gluten the biological value was higher …
Effect Of Contamination By Aspergillus Flavus On The Nutritive Value Of Leaf Protein Concentrate Of Leucaena Leucocphala During Storage, H T. Ostrowski-Meissner, I Komang, W Supratman, I Barchia, S Cacang
Effect Of Contamination By Aspergillus Flavus On The Nutritive Value Of Leaf Protein Concentrate Of Leucaena Leucocphala During Storage, H T. Ostrowski-Meissner, I Komang, W Supratman, I Barchia, S Cacang
IGC Proceedings (1977-2023)
Leaf protein concentrate extracted from tree legume Leucaena leucocephala cultivar Cunningham (LLP) was stored under humid tropical conditions (24-28°C and 84-92% rh) in the form of wet cake during a 10 day period. Samples of LLP were taken every second day for chemical analyses and protein quality assays. The effect of storage on dried LLP was also assessed against two control proteins: peanut meal (PNM) and fish meal (FM), either free of aflatoxins or infected by the aflatoxigenic fungus Aspergi_llus flavus to the level 280 mcg aflatoxin B1 equivalent/kg. Storage of wet LLP under such conditions resulted in infestation by …
Physiological Activity Of Alfalfa Lpc And Brown Juice, A Sagasaki, T Kawakami, M Naito, H Yamada, Y Kuroyanagi, K Suzumura, R Kayama
Physiological Activity Of Alfalfa Lpc And Brown Juice, A Sagasaki, T Kawakami, M Naito, H Yamada, Y Kuroyanagi, K Suzumura, R Kayama
IGC Proceedings (1977-2023)
With the purpose of searching physiological active component(s) contained in alfalfa leaf, green leaf protein concentrate (LPC) and brown juice were tested against the effects on the inutagenicity of mutagen and hyperlipemia. LPC and brown juice were found to inactivate the mutagenicity of 2•aminoanthracene by the Ames test, and the capacity was more powerful in LPC than in brown juice. Further feeding of alfalfa LPC or its brown juice added diet to hamster reduced the total cholesterol and triglyceride levels in serum.
Influence Of The Age Of Chicken On The Metabolizable Energy Value Of Alfalfa Leaf Protein Concentrate, S Terapuntuwat, I Tasaki
Influence Of The Age Of Chicken On The Metabolizable Energy Value Of Alfalfa Leaf Protein Concentrate, S Terapuntuwat, I Tasaki
IGC Proceedings (1977-2023)
Influence of the age of chicken on the nitrogen corrected metabolizable energy (MEn) value of alfalfa leaf protein concentrate (LPC) was investigated. Chickens of various ages were fed diets containing certain amounts of the LPC, and droppings were collected quantitatively. The MEn of the diets was determined as the difference between consumed energy and excreted energy which was corrected with retained energy as body protein. Then the MEn value of the LPC was calculated using the values of the LPC containing diets and that of cornstarch which was obtained from data for a LPC-free diet. As a result, the MEn …
High Value Productions From Lucerne: A New Zealand Perspective, R M. Mcdonald, P E. Donnelly, R A. Mills, S R. Vaughan
High Value Productions From Lucerne: A New Zealand Perspective, R M. Mcdonald, P E. Donnelly, R A. Mills, S R. Vaughan
IGC Proceedings (1977-2023)
Research at Ruakura has aimed at improving the economics of lucerne protein extraction, by extracting more of the protein (up to 85%) and by searching for ways to get maximum value for each of the components in the lucerne. Presently most lucerne protein concentrate is sold on the basis of its protein and xanthophyll contents, which are valued by poultry growers. Other components, including carotene, chlorophyll and vitamin E, are not valued in poultry feed and consequently could be extracted and sold separately. Carotene and vitamin E have recently been associated with cancer prevention. The paper also discusses the value …
Effect Of Drying Methods On The Nutritive Value Of Leaf Protein Concentrates Coagulated By Acidification, Heat Or Anaerobic Fermentation, M Ohshima
IGC Proceedings (1977-2023)
SUMMARY To determine the effect of heat-treatments on the nutritive value of leaf protein concentrate(LPC), several LPCs prepared by different procedures were fed to rats. The nutritive value of ladino clover LPC separated centrifugally from acidified juice and freeze-dried was compared with that of LPC prepared from the same acidified juice by heating to 70°C with an electric heater before the centrifugation and oven-dried at 70°C. The heat-treatments reduced not only the apparent digestibility of crude protein by 5%, but also the nutritionally available lysine content of LPC. Response of rats to lysine supplementation in addition to methionine was observed …
Effect Of Anaerobic Fermentation Of Plant Juice On The Yield And The Nutritive Value Of Leaf Protein Concentration, M Ohshima, H Ueda
Effect Of Anaerobic Fermentation Of Plant Juice On The Yield And The Nutritive Value Of Leaf Protein Concentration, M Ohshima, H Ueda
IGC Proceedings (1977-2023)
Effect of treatments of plant juice on the yield and nutritive value of leaf protein concentrate (LPC) was studied with special reference to anaerobic fermentation using lucerne and Italian rye grass as the materials. Lucerne juice was .subdivided into three portions. The two portions were heated to 70°C immediately or after being adjusted to pH 8 with NaOH. The other portion was anaerobically fermented for 7 days. One half of ryegrass juice was heated to 70°C after being adjusted to pH 4 with HCI and the other half was submitted to the fermentation. After the treatments, each juice was centrifuged …
Alkali Treatment Of Rice Whole Crop Silage, T Tobino, N Mikami, A Yamazaki, R Kobayashi, K Furugouri
Alkali Treatment Of Rice Whole Crop Silage, T Tobino, N Mikami, A Yamazaki, R Kobayashi, K Furugouri
IGC Proceedings (1977-2023)
Application of Na OH for rice whole crop at the time of ensiling increased digestibility, intake and body weight gain of Holstein steers. As rice whole crop silage is inclined to cause secondary fermentation, when the moisture content is not sufficient, water addition to the filling material is necessary. The suitable application level of NaOH is 3 to 4% of silage dry matter and it can be applied successfully using 20 to 30% solution. The rate of notreacted Na in the NaOH applied silages was 20 to 40% and it changed wholly to the form of Na2CO3 -Na. The greater …
The Effect Of The Harvest Time, Height And Length Of Cutting On The Quality And Nutrient Yield Of Japanese Millet Silage, T Nakui, N Yahara, S Takai
The Effect Of The Harvest Time, Height And Length Of Cutting On The Quality And Nutrient Yield Of Japanese Millet Silage, T Nakui, N Yahara, S Takai
IGC Proceedings (1977-2023)
The experiments were made to determine the appropriate harvest time, height and length of cutting of Japanese millet for silage. Harvesting the millet at the end of the late dough stage was found to be the most favorable for silage, and the fermenting quality of the silage was improved by higher cutting and keeping the length of the cutting short ( < 10 mm). Dry weight yield of the plant (x) well correlated with TDN yield (Y) of the silage (r = 0.91, Y = 0.511x - 64.7). A negative correlation was obtained between the rate of temperature rise during the second fermentation process of silage broken the seal and the content of butyric acid in the silage. The second fermentation was suppressed when the butyric acid content in the total acid of the silage was more than 3 % .
Effect Of Stage Growth And Chopping Length On Ensiling Characteristics, Digestibility And Palatability Of Guinea-'A', S Panditharatne, J P. Fontenot, V G. Allen, M.C N. Jayasuriya
Effect Of Stage Growth And Chopping Length On Ensiling Characteristics, Digestibility And Palatability Of Guinea-'A', S Panditharatne, J P. Fontenot, V G. Allen, M.C N. Jayasuriya
IGC Proceedings (1977-2023)
Ensiling of forages is a common practice in temperate areas, but is not used extensively in tropical countries. Preservation of excess forage during rainy seasons would provide a more even distribution of feed during the year. Experiments were conducted to investigate fermentation characteristics, and digestibility and palatability of Guinea-'A' (Panicum maximum, ecotype A) silage by sheep. Guinea-'A' grass was harvested after 2- and 3-week growth periods, and ensiled chopped or unchopped in 210 liter metal drums, double lined with polyethylene. Cutting grass at 2 weeks decreased pH and increased lactic acid of silage, compared to cutting at 3 weeks. Chopping …
Analysis Of The Factors Affecting On Disappearance Of Nitrate In Grass During Ensilage, T Masuko, T Otani, K Awaya
Analysis Of The Factors Affecting On Disappearance Of Nitrate In Grass During Ensilage, T Masuko, T Otani, K Awaya
IGC Proceedings (1977-2023)
From 1979 to 1985, a series of experiments was carried out. In these experiments, Italian rye grass containing large amounts of nitrate was ensiled in laboratory silos with CaCO3, glucose and urea immediately after harvesting, and at three moisture levels adjusted by pre-wilting. In each experiment, the grasses were chopped to about 2 cm length and then packed in 1.5 liter glass bottles. The silos were kept at 28°C in the incubator and opened 50-80 days after ensiling. The nitrate content and crude protein content of original grass were-high and WSC content of that was low. In thirty grass silages …
A Technique To Study The Relative Merits Of Different Silage Additves, A D. Drysdale, D A. Parker
A Technique To Study The Relative Merits Of Different Silage Additves, A D. Drysdale, D A. Parker
IGC Proceedings (1977-2023)
Expansion in the use of silage additives in the more difficult silage-making areas of Europe has created the need for a simple laboratory method to assess the relative values of the wide range of products now offered. A technique is described which can be used to study potential new additives and to monitor existing products. Using direct-cut lucerne(Medicago sativa) ensiled quickly it is possible to produce a high pH, poorly fermented, untreated silage and against this the relative effects of different additive treatments can be assessed. In an example discussed, lucerne of 14% dry matter (DM) and buffering capacity 44m-equiv …
Control Of Silage Fermentation By Inoculation With Lactobacillus Casei, K Ataku, H Nakamura, N Narasaji, M Kikuchi
Control Of Silage Fermentation By Inoculation With Lactobacillus Casei, K Ataku, H Nakamura, N Narasaji, M Kikuchi
IGC Proceedings (1977-2023)
The D( -) isomer of lactic acid is largely produced by silage fermentation. Accordingly, this study focused on Lactobacillus casei (LC) in which produces L( +) lactic acid. The influences of the inoculation of LC and Lactobacillus plantarum (LP) on the quality of silage and on the isomer ratio of the lactic acid were examined with and without 2% glucose addition at two ensilage temperature (20°C and 30°C). Orchardgrass and alfalfa were ensiled in laboratory silos, capacity one-liter. When either LP and LC was added, a large quantity of lactic acid was produced, the pH dropped sharply, and the quality …
Losses During Ensiling Due To Gas Exchange, H Honig, E Zimmer
Losses During Ensiling Due To Gas Exchange, H Honig, E Zimmer
IGC Proceedings (1977-2023)
Gas exchange leading to air infusion into the silo during the storage period is one of the main reasons for poor silage quality and additional losses. To make these losses better predictable, and to show ways to ensiling technology to avoid them, the parameters influencing the gas exchange in silage stacks have to be defined and quantified. The motive powers for this gas exchange are "breathing" in gastight systems, and CO2 flow off in "open" systems. Recent experiments using 6 m3 pilot silos to evaluate and quantify these losses, especially those due to CO2 flow off, show the following results: …