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Marine herbivore-plant interactions : the feeding ecology of the sea slug Placida dendritica

Creator:: Trowbridge, Cynthia D.
Abstract:: The feeding ecology of a common temperate mesoherbivore, the oligophagous sea slug Placida dendritica (Gastropoda: Opisthobranchia: Ascoglossa), was examined from April 1985 to June 1989. Along the central coast of Oregon, Placida consumed three host species: the low intertidal green algae Codium setchellii, C. fragile, and Bryopsis corticulans. Individual slugs...
Resource Type:: Dissertation
Full Text:: algal host species. Placida's gregarious feeding (1) stimulated conspecifics to feed and (2) enhanced

The nutritive interrelationships of tallow and urea in ruminants

Creator:: Phillips, Ralph L.
Abstract:: The object of this study was to observe the effect of tallow plus urea in vitro and in vivo. The study was carried out in three parts; an in vitro fermentation study, a metabolism trial and a feedlot trial. The in vitro study was conducted using a 4 x 2...
Resource Type:: Dissertation
Full Text:: well as biuret and cottonseed meal on the digestion of several feed components. A feeding trial was

Some psychophysiological aspects of taste and eating rate in cattle, sheep, and horses

Creator:: Randall, Ronald Patrick
Resource Type:: Dissertation
Full Text:: used in a reversal study to determine the effects of ration ingredients and level of feeding on their

Forage intake and related performance criteria of spring and fall calving cow-calf pairs on summer range

Creator:: Kartchner, Rex John
Abstract:: Three studies during three consecutive summers were conducted at the Squaw Butte Experiment Station to estimate relative and quantitative forage intake of spring and fall calving cow-calf pairs on summer range. In a drylot study (experiment 1) individual animal consumption of fescue or meadow hay cut at 2- to 10-day...
Resource Type:: Dissertation
Full Text:: ), and required less total feed invested (cow + calf) per unit of gain (20. 16 vs. 24.38 kg feed/kg

Copper deficiency in cattle in the Klamath Basin

Creator:: Stoszek, Milena Jaroslava
Abstract:: Rapid copper depletion without clinical symptoms of copper deficiency was found in cattle under natural Klamath basin conditions. Copper metabolism was influenced by grass species fed to the animals. Tall fescue, Festuca arundinacea Schreb. 'Altar and 'Fawn', reduced liver copper stores and decreased blood plasma copper and ceruloplasmin activity to...
Resource Type:: Dissertation
Full Text:: tall fescue feed on liver copper of individual animals in groups B-1 and B-4 (zero copper

Cow calf confinement energy levels

Creator:: Price, David P.
Resource Type:: Dissertation
Full Text:: to feed a yearly 100% NRC ration (4, 068 lbs TDN) by feeding 80% during the dry period, and in

Evaluation, utilization and improvement of the nutritional quality of feed grains for poultry

Creator:: Roush, William Burdette
Abstract:: Several experiments involving broilers, chicks, layers, roosters, poults and breeder turkeys were conducted with the primary objective of examining research methods for evaluating poultry feed grains, their additives and supplements. A secondary objective was to improve and maximize the production responses of poultry fed locally grown grains. Feed grain research...
Resource Type:: Dissertation
Full Text:: AND IMPROVEMENT OF THE NUTRITIONAL QUALITY OF FEED GRAINS FOR POULTRY Abstract approved: Redacted

Nutrient evaluation of secondary clarifier microbial paper sludge for ruminants

Creator:: Aseltine, Mark Stephen
Resource Type:: Dissertation
Full Text:: Introduction 21 Materials and Methods 21 Animals and-Feeding 21 Sampling 22 Analysis of SCP and Feed 22

Evaluation of feather and hair meals as protein supplements for ruminants

Creator:: Aderibigbe, Adeshina O.
Abstract:: The objectives of this study were to nutritionally evaluate various feather and hair meals (FM, HM) as protein supplements for ruminants and to study the in vitro/in vivo relationships of diets supplemented with FM and HM. In vitro (rumen and enzymes) studies, five in vivo digestion trials and a feedlot...
Resource Type:: Dissertation
Full Text:: . The daily feeding schedule for trials 1 and 2 are shown in Table 4. Daily feed was divided into two

Forage utilization by rabbits

Creator:: Harris, David Joseph
Abstract:: Several experiments were conducted to evaluate various forages and forage levels for use in rabbit diets. Several tropical forages were evaluated for their potential in feeding rabbits. One of the tropical forages, Desmodium distortum produced better growth performance than alfalfa meal. The tropical forages were used to derive prediction equations...
Resource Type:: Dissertation
Full Text:: : UTILIZATION OF TROPICAL FORAGES BY RABBITS: GROWTH, FEED EFFICIENCY AND PREDICTION OF DIGESTIBLE ENERGY FROM

ScholarsArchive@OSU

Marine herbivore-plant interactions : the feeding ecology of the sea slug Placida dendritica

The nutritive interrelationships of tallow and urea in ruminants

Some psychophysiological aspects of taste and eating rate in cattle, sheep, and horses

Forage intake and related performance criteria of spring and fall calving cow-calf pairs on summer range

Copper deficiency in cattle in the Klamath Basin

Cow calf confinement energy levels

Evaluation, utilization and improvement of the nutritional quality of feed grains for poultry

Nutrient evaluation of secondary clarifier microbial paper sludge for ruminants

Evaluation of feather and hair meals as protein supplements for ruminants

Forage utilization by rabbits

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