Life Sciences | Open Access Articles | Digital Commons Network™

Afferent And Efferent Connections Of The Octavolateral Cerebellum In The Channel Catfish, Ictalurus Punctatus, Richard C. Rayborn

Master's Theses

No abstract provided.

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The Distribution Of Gamma-Aminobutyric Acid (Gaba) And Glutamate In The Electrosensory System Of The Channel Catfish, Ictalurus Punctatus, Christian M. Fay

Master's Theses

No abstract provided.

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Pinus Ponderosa Seedling Establishment And The Influence Of Competition With The Bunchgrass Agropyron Spicatum, Peter F. Kolb, Ronald Robberecht

Forest Management Faculty Publications

Interspecific competition between Agropyron spicatum (Pursh.) Scrib. & Smith bunchgrasses and naturally established seedlings of Pinus ponderosa was examined within a pine/bunchgrass community. A wire mesh was used to separate bunchgrass culms from pine seedling shoots to determine if the bunchgrass canopy influenced the survival of pine seedlings. In addition, two lengths of root exclusion tubes were used to determine the effects of bunchgrass root overlap on pine seedlings. The bunchgrass canopy did not significantly affect pine seedling survival. However, root competition, presumably for water, significantly decreased pine seedling survival. Exclusion of bunchgrass roots from a 0.15-m- and 0.30-m-deep root …

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Age-Biased Spring Dispersal In Male Wild Turkeys, A. V. Badyaev, W. J. Etges, Thomas E. Martin

Wildlife Biology Faculty Publications

No abstract provided.

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Leptographium Pyrinum Is A Mycangial Fungus Of Dendroctonus Adjunctus, Diana Six, T. D. Paine

Ecosystem and Conservation Sciences Faculty Publications

Several species of Dendroctonus (Coleop- tera: Scolytidae) have cuticular invaginations, or my- cangia, in the integument which are specialized for carrying specific symbiotic fungi. The mycangium of Dendroctonus adjunctus, located under a callus that surrounds the prothorax, has been recognized but the mycangial fungus has not yet been identified. Fungi from mycangia of Dendroctonus adjunctus were isolated and compared with Leptographium pyrinum and Ophiostoma adjuncti, two species of fungi known to be present in trees colonized by Dendroctonus ad- junctus. Fungi isolated from Dendroctonus adjunctus mycangia were determined to be morphologically and genetically identical to Leptographium pyrinum

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Effects Of Regional Origin And Genotype On Intraspecific Root Communication In The Desert Shrub Ambrosia Dumosa (Asteraceae), Bruce E. Mahall, Ragan M. Callaway

Biological Sciences Faculty Publications

Previous work has shown that the contact inhibition that occurs among roots of Ambrosia dumosa shrubs has a self/nonself recognition capability. In the current study, we investigated some of the geographic and genotypic dimensions of this recognition capability by using root observation chambers to observe the effects of encounters of individual roots on root elongation rates. We measured such effects in encounters between roots of plants from the same region and compared these to effects in encounters between roots of plants from two different regions. We also measured effects of encounters between roots of plants from the same clones and …

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Variation In Leaf Structure And Function In Quercus Douglasii Trees Differing In Root Architecture And Drought History, Ragan M. Callaway, Bruce E. Mahall

Biological Sciences Faculty Publications

Seasonal changes in leaf specific mass, nitrogen, chlorophyll, and photosynthetic properties were measured for two groups of spatially intermixed Quercus douglasii trees with different drought histories and apparently different root architectures. One group, referred to as ''high-psi(pd) trees, included trees with low amounts of fine root biomass in the upper 50 cm of soil and high predawn xylem pressure potentials (psi(pd)) during summer drought. These two characteristics indicate that trees in this group have deep roots, which may reach the water table. The second group, referred to as ''low-psi(pd) trees, had three to five times higher fine root biomass in …

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Vegetative Filter Strip Design For Grassed Areas Treated With Animal Manures, Dwayne R. Edwards, Tommy C. Daniel, Philip A. Moore Jr.

Biosystems and Agricultural Engineering Faculty Publications

Vegetative filter strips (VFS) are a low-cost management option that have been demonstrated to be effective in reducing runoff transport of fertilizer constituents applied to grassed areas (pasture or meadow). Runoff quality studies involving fertilizers applied to grassed areas suggest that VFS can be designed by assuming that (1) only infiltration is responsible for pollutant removal, (2) the first post-application runoff event is most important from a water quality perspective (enabling a design event approach), and (3) no pollutant build-up that degrades VFS performance will occur. The purpose of this study was to develop a VFS design algorithm for grassed …

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A Direct, Approximate Solution To The Modified Green-Ampt Infiltration Equation, Puneet Srivastava, Thomas A. Costello, Dwayne R. Edwards

Biosystems and Agricultural Engineering Faculty Publications

Accurately predicting the rainfall-runoff process is of vital importance for water quality models as well as for correct design of various types of hydraulic structures. This article presents a method of describing the cumulative infiltration process as an explicit function of time using an approximation to the modified Green-Ampt equation given by Mein and Larson (1971). The resulting equation is helpful in predicting cumulative infiltration and therefore infiltration capacity for computer simulation models. The proposed method takes about 50% less time than the usual iterative technique for the same degree of accuracy. The maximum error due to approximation was 1% …

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Simulation Of Runoff Transport Of Animal Manure Constituents, Yang Wang, Dwayne R. Edwards, Tommy C. Daniel, H. Don Scott

Biosystems and Agricultural Engineering Faculty Publications

Runoff losses of land-applied animal manure constituents can adversely affect the quality of downstream waters. Reliable mathematical simulation models can help estimate runoff losses of animal manure constituents and identify management measures to reduce these losses. The objective of this study was to develop and calibrate an event-based simulation model to describe the runoff transport of solids (soil and manure particles) and nutrients (nitrogen and phosphorus) from areas treated with animal manure. The resulting model, consisting of linked hydrology, soil/manure transport, and nutrient transport components, is process-oriented and uses measurable parameters to the greatest degree possible. The three components of …

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Quality Of Runoff From Four Northwest Arkansas Pasture Fields Treated With Organic And Inorganic Fertilizer, Dwayne R. Edwards, Tommy C. Daniel, John F. Murdoch, Philip A. Moore Jr.

Biosystems and Agricultural Engineering Faculty Publications

Long-term land application of animal manures, even at agronomic rates, can promote accumulation of soil phosphorus (P) which can, in turn, contribute to increased P loadings to downstream waters. The objective of this study was to assess the soil and runoff effects of replacing animal manure as a soil amendment with inorganic fertilizer (ammonium nitrate, NH₄NO₃) on fields that had been treated previously with animal manures. Runoff from two pairs of small fields (0.57 to 1.46 ha) was sampled from September 1991 to April 1994. All fields had been treated previously with animal manures; after runoff …

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Poultry Litter-Treated Length Effects On Quality Of Runoff From Fescue Plots, Dwayne R. Edwards, Philip A. Moore Jr., Tommy C. Daniel, Puneet Srivastava

Biosystems and Agricultural Engineering Faculty Publications

Using experimental data and/or mathematical simulation models to identify practices that reduce pollution from manure-treated areas is sometimes perceived as limited by the unknown validity of extrapolating plot-scale data to larger areas and by uncertainties in modeling transport of various pollutants. The objectives of this study were to assess the effect of length of manure treatment on runoff concentrations of poultry litter constituents and to define the modes of transport (particulate versus soluble) for nitrogen (N), phosphorus (P), carbon (C), and solids. Poultry litter was applied to three 1.5- x 18.3-m fescue (Festuca arundinacea Schreb.) plots with runoff collection …

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Application Of Simplified Phosphorus Transport Models To Pasture Fields In Northwest Arkansas, Dwayne R. Edwards, C. T. Haan, Andrew N. Sharpley, John F. Murdoch, Tommy C. Daniel, Philip A. Moore Jr.

Biosystems and Agricultural Engineering Faculty Publications

Runoff transport of phosphorus (P) is often predicted from simple equations with parameters determined from data applicable primarily to row-cropped and fallow cover conditions. The applicability, accuracy, and precision of such P transport prediction equations under pasture situations are less well defined. The objectives of this study were to determine parameters of simplified runoff P transport equations for pasture fields and to assess the accuracy and precision of the equations. Runoff, sediment yield, soluble P transport, and particulate P transport data were collected from four pasture fields in northwestern Arkansas. Runoff event enrichment ratios and extraction coefficients were computed, and …

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Development Of A Biologically Based Aerobic Composting Simulation Model, Dennis P. Stombaugh, Sue E. Nokes

Biosystems and Agricultural Engineering Faculty Publications

A relatively simple dynamic model based on microbial process kinetics has been developed for aerobic composting. Differential equations describing microbial, substrate, and oxygen concentrations, as well as moisture and temperature profiles have been derived as a function of vessel size and aeration rate. Microbial biomass growth was described using Monod growth kinetics as a function of degradable substrate concentration, oxygen concentration, moisture content, and compost temperature. Facility and fan operating costs have been included to permit economic optimization of the process. Predicted results demonstrated the ability of the model to quantify and describe the influence of multiple interacting factors (temperature, …

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Modulation Of Queuine Uptake And Incorporation Into Trna By Protein Kinase C And Protein Phosphatase, Rana C. Morris, Bonnie J. Brooks, K. Lenore Hart, Mark S. Elliot

Chemistry & Biochemistry Faculty Publications

It has been suggested that the rate of queuine uptake into cultured human fibroblasts is controlled by phosphorylation levels within the cell. We show that the uptake of queuine is stimulated by activators of protein kinase C (PKC) and inhibitors of protein phosphatase; while inhibitors of PKC, and down-regulation of PKC by chronic exposure to phorbol esters inhibit the uptake of queuine into cultured human fibroblasts. Activators of cAMP- and cGMP-dependent kinases exert no effect on the uptake of queuine into fibroblast cell cultures. These studies suggest that PKC directly supports the activity of the queuine uptake mechanism, and that …

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Deer Browse In The Interior Forest Of Warwick County Park, Jacquelyn Arnold, Joan M. Welch

Geography & Planning Faculty Publications

No abstract provided.

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Utilization Of Woody Browse By White-Tailed Deer (Odocoileus Virginianus) In Valley Forge National Park, Joanne T. Pomerantz, Joan M. Welch

Geography & Planning Faculty Publications

No abstract provided.

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Distribution Of Baird's Pocket Gopher (Geomys Breviceps) In Arkansas; With Additional County Records, Douglas A. Elrod, Gary A. Heidt, Mark R. Ingraham, Earl G. Zimmerman

Journal of the Arkansas Academy of Science

Recently, a population of pocket gophers in the north-central portion of Arkansas was determined to be the plains pocket gopher (Geomys Imrsarius), rather than Baird's pocket gopher (Geomys breviceps). This changed the known range of both species extensively. A detailed examination of the known range of Baird's pocket gophers (G. breviceps) in Arkansas resulted in 12 new county records. Biogeographically, G. breviceps appears to be found in all physiographic regions within the state with the possible exception ofCrowley's ridge. It is most common in the Gulf Coastal Plain and rarest in the Mississippi Alluvial Plain. The distribution ofG. breviceps is …

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Forest Stand Dynamics, Update Edition, Chadwick Dearing Oliver, Bruce A. Larson

Yale School of the Environment Other Publications

This book describes the various growth patterns of forests from a mechanistic point of view. Its purpose is to help silviculturists, forest managers, and ecologists understand and anticipate how forests grow and respond to intentional manipulations and natural disturbances. Demands on the forest have been increasing for timber production, wildlife habitat, water protection, recreation, and protection from fires, insects, and diseases. These demands have created an emphasis on prescribing site-specific treatments for individual stands of trees, rather than treating broad areas uniformly

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Mitochondrial Dna Variation In Screwworm, David B. Taylor, Allen L. Szalanski, Richard D. Peterson Ii

Department of Entomology: Faculty Publications

Polymerase chain reaction-restriction fragment length polymorphism (PCRRFLP) analysis was used to characterize mitochondrial DNA (mtDNA) variation in screwworms, Cochliomyia hominivorax, and secondary screwworm, C. macellaria, from the Caribbean, North America and South America. Four amplicons, totaling 7.1 kb, were analysed with sixteen restriction enzymes. A total of 133 restriction sites was observed in the two species, 104 in C. hominivorax, of which nineteen were variable, and ninety-five in C. macellaria, none of which was variable. Fourteen mtDNA haplotypes were observed among eighteen C. hominivorax examined. Mean divergence between C. hominivorax haplotypes (d) was 0.0064 …

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Oviposition And Calling Behavior Of Codling Moth (Lepidoptera: Tortricidae) In The Presence Of Codlemone, Thomas J. Weissling, Alan L. Knight

Department of Entomology: Faculty Publications

The effect of the major component of codling moth, Cydia pomonella (L.) sex pheromone (codlemone, E,E-8,10-dodecadien-l-ol) on female calling and oviposition behavior was investigated. Calling by virgin females was similar between moths placed in sealed containers containing codlemone or codlemone-free air. However, when pheromone emitted by females was removed by a continuous air stream, calling in codlemone-permeated air was significantly higher than in clean air. The temporal pattern of calling was unaltered by the presence of codlemone. In a laboratory no-choice test, oviposition rates by codling moth females were similar in the presence of codlemone and in codlemone-free air. However, …

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Molecular Differentiation Of Alfalfa Weevil Strains (Coleoptera: Curculionidae), S. J. Erney, K. P. Pruess, S. D. Danielson, T. O. Powers

Department of Entomology: Faculty Publications

Mitochondrial DNA was amplified and sequenced from eastern, western, and Egyptian strains of alfalfa weevil, Hypera postica (Gyllenhal). Eastern and Egyptian weevils differed at only 2 nucleotide sites in 1,031 base pairs sequenced; western weevils differed by 5% sequence divergence. Three restriction sites were identified which separated eastern and western haplotypes. No intrastrain polymorphism was detected in 150 weevils from Nebraska. Collections from Lincoln in eastern Nebraska and Scottsbluff in western Nebraska were fixed for the eastern and western haplotypes, respectively. Eastern and western haplotypes were found together in the same fields in a broad overlap region in central Nebraska.

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Determination Of Toxicity And Bioactivity Of Four Organic Insecticides Recommended For Control Of Pests In Vegetable Crops, Hugo Humberto Rodriguez Salvatierra

Theses and Dissertations

This work was done to determine the toxicity and bioactivity of four organic insecticides and ultimately find answers about their toxic potential. Thus, farmers will be able to take the necessary precautions when using them. This investigation was performed in the Laboratory of Biology of the Eastern University Center (Chiquimula) at the University of San Carlos, Guatemala. In order to determine the acute toxicity and bioactivity of the organic insecticides ANONAZO, BOX, AJORIN, and NARCISO, five doses were used in albino mice and three concentrations in nauplii of brine shrimp (Artemia salina). The finney basic program was used for calculating …

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Modeling The Vertical Distribution Of Oyster Larvae In Response To Environmental Conditions, Margaret M. Dekshenieks, Eileen E. Hofmann, John M. Klinck, Eric N. Powell

CCPO Publications

A size-structured, time and vertically-dependent model was used to investigate the effects of water column structure on the distribution of larvae of the oyster Crassostrea virginica. Formulations used to model larval growth and behavior are based upon laboratory studies. Simulated vertical larval distributions obtained for conditions representative of a well-mixed, partially stratified and strongly stratified water column illustrate the effect that salinity and temperature gradients have on moderating larval swimming and hence on larvae vertical location. For well-mixed conditions, smaller larvae are dispersed throughout most of the water column. For strongly stratified conditions, the smaller-sized larvae cluster within the …

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Visual Cortical Plasticity Following Unilateral Sensorimotor Cortical Lesions In The Neonatal Rat, Eleftherios Stelios Papathanasiou

Master's Theses

No abstract provided.

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A Pcr Assay For The Detection Of Wuchereria Bancrofti In Blood, Min Zhong, James Mccarthy, Lou Ann Bierwert, Michelle Lizotte-Waniewski, Suzanne Chanteau, Thomas Nutman, Eric A. Ottesen, Steven A. Williams

Biological Sciences: Faculty Publications

To identify Wuchereria bancrofti DNA sequences that could be used as the basis for a simple and rapid parasite detection assay, a genomic library of W. bancrofti was constructed and screened for highly repeated DNA. The repeat found with the highest copy number was 195 basepairs (bps) long, 77% AT, and 300 copies per haploid genome. This sequence was designated the Ssp I repeat because it has a unique recognition site for that restriction endonuclease in all or most of the repeat copies. The Ssp I repeat DNA family is dispersed, genus-specific, and exists in all of the different geographic …

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Evaluation Of Nitrogen, Phosphorus, And Organic Matter Balance In The Feedlot As Affected By Nutrition, Sheri Bierman, Terry J. Klopfenstein, Rick Stock, Drew Shain

Nebraska Beef Cattle Reports

A steer finishing trial was conducted to evaluate level and source of dietary fiber on nitrogen, phosphorus, and organic matter excretion. One-hundred twenty steers were fed one of the following treatments: wet corn gluten feed (41.5% of diet DM), 7.5% roughage diet, and all concentrate diet. Nitrogen, phosphorus, and organic matter intake of steers fed wet corn gluten feed were greater than the other two treatments. Fecal nitrogen output was greatest with the wet corn gluten feed diet. All treatments lost about 50% of excreted nitrogen through volatilization. The all concentrate treatment had the highest percentage of phosphorus and organic …

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Dried Poultry Waste As A Nonprotein Nitrogen Source For Ruminants, Sheri Bierman, Terry J. Klopfenstein, Rick Stock, Dan Herold

Nebraska Beef Cattle Reports

Two trials were conducted to evaluate the use of dried poultry waste as a source of degradable intake protein in growing and finishing ruminant diets. Trial 1 utilized eight-eight crossbred lambs (62 lb) in a 60-day growing period and subsequent 60-day growing period and subsequent 60-day finishing period. In the growing period, lambs were fed seven levels of degradable intake protein, 5.6 to 7.7% of diet DM (7.6 to 9.7% CP) from either urea or dried poultry waste. In the finishing period, lambs (71 lb) were fed a control diet containing no added N, 4.1% degradable intake protein (9.6% CP) …

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Multi-Elemental Analysis Of Liver Biopsies And Serum To Determine Trace Element Status Of Cows, David Hickok, Pablo Martin, Dennis R. Brink, Richard J. Rasby, Michael Carlson, Norm Schneider

Nebraska Beef Cattle Reports

Cattle producers have commonly supplemented trace elements to prevent deficiencies. The beef cow, primarily grazing forage or fed harvested forage, may be able to store adequate amounts of trace elements in the liver during periods of excess availability to maintain homeostasis during periods of marginal availability. Therefore, the objective of this study was to determine the seasonal effects on trace element status of multiparous cows in the absence of supplementation. Trace element concentrations in the liver biopsy were compared with serum concentrations removed at the same time.

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Rumen Degradable Protein Requirements Of Gestating Beef Cows Grazing Dormant Native Sandhills Range, Karla Hollingsworth-Jenkins, Terry J. Klopfenstein, Don C. Adams, Jim Lamb

Nebraska Beef Cattle Reports

Protein, the most expensive winter supplement, may be overfed because the actual rumen degradable and escape protein requirements are unknown. Rumen degradable protein is protein degraded by the rumen microorganisms and used by them for their growth and protein synthesis. Escape protein is protein which is not degraded in the rumen but enzymatically digested in the small intestine for use by the animal at the tissue level. Metabolizable protein is the combination of digestible microbial protein and escape protein that flows to the small intestine for use by the host animal. Previous Nebraska reports (Karges et al.. 1991 Beef Cattle …

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Full-Text Articles in Life Sciences

Afferent And Efferent Connections Of The Octavolateral Cerebellum In The Channel Catfish, Ictalurus Punctatus, Richard C. Rayborn

Master's Theses

The Distribution Of Gamma-Aminobutyric Acid (Gaba) And Glutamate In The Electrosensory System Of The Channel Catfish, Ictalurus Punctatus, Christian M. Fay

Master's Theses

Pinus Ponderosa Seedling Establishment And The Influence Of Competition With The Bunchgrass Agropyron Spicatum, Peter F. Kolb, Ronald Robberecht

Forest Management Faculty Publications

Age-Biased Spring Dispersal In Male Wild Turkeys, A. V. Badyaev, W. J. Etges, Thomas E. Martin

Wildlife Biology Faculty Publications

Leptographium Pyrinum Is A Mycangial Fungus Of Dendroctonus Adjunctus, Diana Six, T. D. Paine

Ecosystem and Conservation Sciences Faculty Publications

Effects Of Regional Origin And Genotype On Intraspecific Root Communication In The Desert Shrub Ambrosia Dumosa (Asteraceae), Bruce E. Mahall, Ragan M. Callaway

Biological Sciences Faculty Publications

Variation In Leaf Structure And Function In Quercus Douglasii Trees Differing In Root Architecture And Drought History, Ragan M. Callaway, Bruce E. Mahall

Biological Sciences Faculty Publications

Vegetative Filter Strip Design For Grassed Areas Treated With Animal Manures, Dwayne R. Edwards, Tommy C. Daniel, Philip A. Moore Jr.

Biosystems and Agricultural Engineering Faculty Publications

A Direct, Approximate Solution To The Modified Green-Ampt Infiltration Equation, Puneet Srivastava, Thomas A. Costello, Dwayne R. Edwards

Biosystems and Agricultural Engineering Faculty Publications

Simulation Of Runoff Transport Of Animal Manure Constituents, Yang Wang, Dwayne R. Edwards, Tommy C. Daniel, H. Don Scott

Biosystems and Agricultural Engineering Faculty Publications

Quality Of Runoff From Four Northwest Arkansas Pasture Fields Treated With Organic And Inorganic Fertilizer, Dwayne R. Edwards, Tommy C. Daniel, John F. Murdoch, Philip A. Moore Jr.

Biosystems and Agricultural Engineering Faculty Publications

Poultry Litter-Treated Length Effects On Quality Of Runoff From Fescue Plots, Dwayne R. Edwards, Philip A. Moore Jr., Tommy C. Daniel, Puneet Srivastava

Biosystems and Agricultural Engineering Faculty Publications

Application Of Simplified Phosphorus Transport Models To Pasture Fields In Northwest Arkansas, Dwayne R. Edwards, C. T. Haan, Andrew N. Sharpley, John F. Murdoch, Tommy C. Daniel, Philip A. Moore Jr.

Biosystems and Agricultural Engineering Faculty Publications

Development Of A Biologically Based Aerobic Composting Simulation Model, Dennis P. Stombaugh, Sue E. Nokes

Biosystems and Agricultural Engineering Faculty Publications

Modulation Of Queuine Uptake And Incorporation Into Trna By Protein Kinase C And Protein Phosphatase, Rana C. Morris, Bonnie J. Brooks, K. Lenore Hart, Mark S. Elliot

Chemistry & Biochemistry Faculty Publications

Deer Browse In The Interior Forest Of Warwick County Park, Jacquelyn Arnold, Joan M. Welch

Geography & Planning Faculty Publications

Utilization Of Woody Browse By White-Tailed Deer (Odocoileus Virginianus) In Valley Forge National Park, Joanne T. Pomerantz, Joan M. Welch

Geography & Planning Faculty Publications

Distribution Of Baird's Pocket Gopher (Geomys Breviceps) In Arkansas; With Additional County Records, Douglas A. Elrod, Gary A. Heidt, Mark R. Ingraham, Earl G. Zimmerman

Journal of the Arkansas Academy of Science

Forest Stand Dynamics, Update Edition, Chadwick Dearing Oliver, Bruce A. Larson

Yale School of the Environment Other Publications

Mitochondrial Dna Variation In Screwworm, David B. Taylor, Allen L. Szalanski, Richard D. Peterson Ii

Department of Entomology: Faculty Publications

Oviposition And Calling Behavior Of Codling Moth (Lepidoptera: Tortricidae) In The Presence Of Codlemone, Thomas J. Weissling, Alan L. Knight

Department of Entomology: Faculty Publications

Molecular Differentiation Of Alfalfa Weevil Strains (Coleoptera: Curculionidae), S. J. Erney, K. P. Pruess, S. D. Danielson, T. O. Powers

Department of Entomology: Faculty Publications

Determination Of Toxicity And Bioactivity Of Four Organic Insecticides Recommended For Control Of Pests In Vegetable Crops, Hugo Humberto Rodriguez Salvatierra

Theses and Dissertations

Modeling The Vertical Distribution Of Oyster Larvae In Response To Environmental Conditions, Margaret M. Dekshenieks, Eileen E. Hofmann, John M. Klinck, Eric N. Powell

CCPO Publications

Visual Cortical Plasticity Following Unilateral Sensorimotor Cortical Lesions In The Neonatal Rat, Eleftherios Stelios Papathanasiou

Master's Theses

A Pcr Assay For The Detection Of Wuchereria Bancrofti In Blood, Min Zhong, James Mccarthy, Lou Ann Bierwert, Michelle Lizotte-Waniewski, Suzanne Chanteau, Thomas Nutman, Eric A. Ottesen, Steven A. Williams

Biological Sciences: Faculty Publications

Evaluation Of Nitrogen, Phosphorus, And Organic Matter Balance In The Feedlot As Affected By Nutrition, Sheri Bierman, Terry J. Klopfenstein, Rick Stock, Drew Shain

Nebraska Beef Cattle Reports

Dried Poultry Waste As A Nonprotein Nitrogen Source For Ruminants, Sheri Bierman, Terry J. Klopfenstein, Rick Stock, Dan Herold

Nebraska Beef Cattle Reports

Multi-Elemental Analysis Of Liver Biopsies And Serum To Determine Trace Element Status Of Cows, David Hickok, Pablo Martin, Dennis R. Brink, Richard J. Rasby, Michael Carlson, Norm Schneider

Nebraska Beef Cattle Reports

Rumen Degradable Protein Requirements Of Gestating Beef Cows Grazing Dormant Native Sandhills Range, Karla Hollingsworth-Jenkins, Terry J. Klopfenstein, Don C. Adams, Jim Lamb

Nebraska Beef Cattle Reports