Index Catalog // ScholarsArchive@OSU

Computer simulation of beef cattle production systems in the Llanos of Columbia

Creator:: Levine, Joel Martin
Abstract:: A simulation model capable of execution on a programmable calculator was developed to study voluntary intake, liveweight change, and fertility of grade Zebu cows in the Llanos of Colombia. Organic nitrogen in the diet and meta bolic weight were used to predict intake; age, liveweight, and energy concentration were the...
Resource Type:: Dissertation

Meat tenderness studies : 1. Electrical stimulation-delayed chilling of beef carcasses. 2. Protein quality of pressurized meat

Creator:: Ali, Elgasim Elgasim
Abstract:: A 2x2 factorial experimental design with 2 replications was used to study the effects of a combination of electrical stimulation and delayed chilling of pre-rigor muscle on meat characteristics. Twenty Standard and Good grade beef cattle were slaughtered and 5 carcasses were assigned to each of the 4 treatments. Meat...
Resource Type:: Dissertation

Flow cytometric evaluation of spermatozoan nuclear chromatin structure and viability

Creator:: Ballachey, Brenda Elizabeth
Abstract:: I. Frozen bovine semen samples were measured by flow cytometry (FCM) to determine if FCM analyses could be useful for sperm quality evaluation and prediction of bull fertility. Fluorescent dyes utilized were acridine orange, to measure sperm nuclear chromatin heterogeneity by quantifying susceptibility of the chromatin to denaturation, and rhodamine...
Resource Type:: Dissertation

Nutritional implications in broilers fed single or a combination of feed ingredients during feed shortages in the Republic of Yemen

Creator:: Modhish, Abdulmalek M.
Abstract:: Most of the feed required for poultry production in the Republic of Yemen is imported from Europe. Sometimes, feed shipments arrive later due to lack of hard currencies to pay for the feed or to pay the freight charges. Yemeni broiler producers in such cases feed their birds a single...
Resource Type:: Dissertation

Sampling submicrometer particles suspended in near sonic and supersonic free jets of air

Creator:: Martone, Joseph Arthur
Abstract:: This experiment is concerned with sampling submicrometer particles in near sonic and supersonic flows. The study employed a high volume condensation aerosol generator to produce stearic acid particles having a geometric mean diameter of 0.8 μm and a geometric standard deviation of 1.28. The aerosol was diluted with dry air...
Resource Type:: Dissertation

Effect of a direct-fed microbial on performance of single comb white leghorn chickens

Creator:: Nahashon, Samuel N.
Abstract:: Six experiments were carried out with Single Comb White Leghorn laying chickens to assess the effect of feeding a source of direct-fed microbials (Lactobacillus; Lacto) and its carrier [condensed cane molasses solubles (CCMS)] on the retentions of fat, nitrogen and several minerals; on the status of the pH of the...
Resource Type:: Dissertation

β-lactoglubin adsorption equilibrium and kinetics at silanized silica surfaces

Creator:: Krisdhasima, Viwat
Abstract:: The adsorption equilibrium and kinetic behavior exhibited by β-lactoglobulin at silanized silicon surfaces of varying hydrophobicity were examined using ellipsometry. Adsorption equilibrium results were used to construct adsorption isotherms; the adsorbed mass of β-lactoglobulin was observed to increase with increasing surface hydrophobicity, within a defined range of hydrophobicity. Adsorption kinetics...
Resource Type:: Dissertation

Inhibited feathering, K[I] a sex-linked dominant gene in the turkey (Meleagris gallopavo), genetics and nutrition

Creator:: Zakrzewska, Elz̊bieta Iwona
Resource Type:: Dissertation

Model of late Pleistocene-Holocene variations in rate of sediment accumulation : Panama Basin, eastern equatorial Pacific

Creator:: Pisias, Nicklas G.
Abstract:: The assumption of constant quartz accumulation for the deep-sea sediment core Y69-106P, taken in the Panama Basin, has been used to date the core and construct a sedimentation rate versus time curve for it. Stratigraphic control for the calculated time scale includes three carbon-14 measurements, the extinction of the radiolarian...
Resource Type:: Masters Thesis

Thermo-hygro rheological behavior of materials used in the manufacture of wood-based composites

Creator:: Ren, Shan
Abstract:: Thermo-hygro-rheology of wood-adhesive systems plays an important role during the hot pressing process of wood based composites. The principal objective of this research is to quantitatively study the thermo-hygro rheological characteristics of wood-adhesive systems used in such composites. This is with a view to providing material characteristics which may be...
Resource Type:: Dissertation

ScholarsArchive@OSU

Computer simulation of beef cattle production systems in the Llanos of Columbia

Meat tenderness studies : 1. Electrical stimulation-delayed chilling of beef carcasses. 2. Protein quality of pressurized meat

Flow cytometric evaluation of spermatozoan nuclear chromatin structure and viability

Nutritional implications in broilers fed single or a combination of feed ingredients during feed shortages in the Republic of Yemen

Sampling submicrometer particles suspended in near sonic and supersonic free jets of air

Effect of a direct-fed microbial on performance of single comb white leghorn chickens

β-lactoglubin adsorption equilibrium and kinetics at silanized silica surfaces

Inhibited feathering, K[I] a sex-linked dominant gene in the turkey (Meleagris gallopavo), genetics and nutrition

Model of late Pleistocene-Holocene variations in rate of sediment accumulation : Panama Basin, eastern equatorial Pacific

Thermo-hygro rheological behavior of materials used in the manufacture of wood-based composites

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