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Effect Of Container Size And Harvest Date On The Growth Of Quaking Aspen Populus-Tremuloides Seedlings, L. A. Erhard, J. T. Fisher

Aspen Bibliography

Quaking Aspen (Populus tremuloides Michaux) were
greenhouse grown in four sizes of paraffin-coated containers: 185 cubic centimeters (11 cubic inches), 492 cubic centimeters (30 cubic inches), 1132 cubic centimeters (68 cubic inches), and 1472 cubic centimeters (90cubic inches).

Utilization Of The Intact Male For Red Meat Production: A Review, S. C. Seideman, H. R. Cross, R. R. Oltjen, B. D. Schanbacher

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Castration has long been a traditional practice in the United States. Research studies indicate that intact males grow more rapidly, utilize feed more efficiently and produce a higher-yielding carcass with less fat and more edible product. The disadvantages of the intact male include aggressive behavior (bull and boar); undesirable odors and flavors (boar and ram); lower quality grade (bull); lower meat tenderness (bull and ram) and undesirable meat color (bull and ram). Research is needed to develop antemortem and(or) postmortem handling procedures that offset the disadvantages of the intact male so that the meat and livestock industry can take advantage …

Effects Of Contrasting Photoperiods And Temperatures On Performance Traits Of Confinement-Reared Ewe Lambs, B. D. Schanbacher, G. L. Hahn, J. A. Nienaber

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

The effects of contrasting photoperiods (16L:8D vs 8L: 16D) and ambient temperatures (5 C vs 18 C vs 31 C) on performance traits of ewe lambs have been evaluated. Seventy-two lambs were paired and allotted to one of six treatment groups in a 2 • 3 factorial experiment. The lambs were fed a pelleted diet ad libitum. throughout the 14-wk study (i.e., as Iambs progressed from 12 to 26 wk of age). "Analysis of performance and carcass data showed that both photoperiod and temperature affected growth rate (P.05) by treatment. Whereas serum prolactin concentrations were elevated in lambs exposed to …

1982 Annual Report

Southeast Research and Extension Center: Reports and Administration

1982 was a year of challenges for all the various members of our unit including the researcher, the extension worker, the forester, and all the support staff. Our program year started on October 1, 1981 and ended on September 30, 1982.

From the agriculture standpoint, it has been a difficult year. The fall of 1981 was not favorable to the agricultural producer. Rain, freezing temperatures and even light snow was prevalent in October, 1981. Throughout the winter of 91-82, it was cold and snow was on the ground most of the winter.

It was not uncommon for counties in the …

Whey-Caseinate Blends And Lactose Hydrolysis In Yogurt Manufacture, Catherine A. Whalen

Electronic Theses and Dissertations

Yogurt is a highly nutritious cultured dairy product which has been consumed for centuries, particularly in Eastern Europe. Although per capita consumption in the United. States is still far below that of most European countries; yogurt sales in the U.S.A. have increased phenomenally during the past three decades. Yogurt sales in the U.S.A. totaled 7.7 million kg in 1955; 31.8 million kg in 1966; and approximately 227 million kg by 1976 (41). Per capita sales increased 211% from 1970 to 1980 (45). Yogurt is generally manufactured from milk or lowfat milk which has been fortified with extra milk solids. Nonfat …

Feeding Value Of High Starch And High Fat Rations For Dairy Calves, G. Duff Stewart

Electronic Theses and Dissertations

Sixty-four Holstein calves were used in a 3 x 2 factorial experiment of 12 wk to evaluate growth performance when fed control, high starch, and high fat pelleted diets separately or with a supplemental concentrate mix offered the first 6 wk. High starch and high fat diets were formulated to .contain more digestible energy than the control diet. Calves received milk the first 5 wk, plus one of the above rations ad libitum wk 1 thru 12. The control diet contained corn, oats, and soybean meal; the high starch diet contained corn and soybean meal; while the high fat diet …

Use Of Dry Whey And Lactose Hydrolysis In Yogurt Bases, Nagendra P. Shah

Electronic Theses and Dissertations

Yogurt is one of the oldest and most traditional fermented dairy products. Since early times it has been an important food item of the people in the Middle East. Except for its refreshing taste and wholesomeness as a food, no special virtues were claimed for it until early in the 20th century when the bacteriologist, Elie Metchnikoff, who shared a Nobel Prize in 1908, concluded from his studies on the effect of lactic acid bacteria of the digestive tract, that yogurt arrests putrefaction in the intestinal tract and thus might be beneficial to health (55). Attempts to popularize yogurt in …

Browse Use By Eastern Cottontails In A S.E. Minnesota Farmstead Shelterbelt, Robert K. Swihart, Richard H. Yahner

Journal of the Minnesota Academy of Science

Use of woody vegetation as winter food by eastern cottontails (Sylvilagus floridanus) was investigated in a southeastern Minnesota farmstead shelterbelt. Cottontails browsed on 11 species but exhibited a clear preference only for gooseberry (Ribes spp). When snow covered herbaceous vegetation during late winter, cottontails relied more heavily on high fiber, lower protein woody browse. Shelterbelt management that allows invasion of gooseberry and blackcap raspberry (Rubus occidentalis) provides winter food for cottontails and may reduce damage to planted trees.

Fertilizing "Tifgreen" Bermudagrass Golf Greens In Louisiana, E P. Barrios

LSU Agricultural Experiment Station Reports

No abstract provided.

Soil Science Research Report - 1982

Soil Science Research Reports

Corn Experiments

Improving Nitrogen Fertilizer Recommendations for Corn .......... Section 1

The Influence of 7-21-7 Plus Ammonium Thiosulfate Knifed-in With Anhydrous Ammonia on Yield of Irrigated Corn Grown on Calcareous Soil .......... Section 2

Interseeded Rye and Alfalfa in Irrigated Corn Production .......... Section 3

Maximizing Fertilizer N and Water Use Efficiency on Irrigated and Rainfed Corn .......... Section 4

Nitrogen Balance for Continuous Corn .......... Section 5

High Yield Corn-Soybeans-Wheat Rotation Study .......... Section 6

Wheat Experiments

Dual Placement of Nitrogen and Phosphorus on Winter Wheat .......... Section 7

Effect of Depth of P Application on the Yield of …

The Effects Of A Protein Sparing Modified Fast On Insulin And Glucagon Levels, Elizabeth Anne Shirley

Loma Linda University Electronic Theses, Dissertations & Projects

A total of 18 obese men and women volunteered and participated in a seven-day protein sparing modified fast providing 400 calories per day. The subjects were concurrently participating in an eight-week weight control program combining the facets of nutrition education, group therapy, and values clarification. The modified fast, which was optional, was conducted during two different time periods with a conventional low calorie diet prescribed during the four-week interval.

The diet formula consisted of a high biological value protein, dried egg white, and either glucose or corn starch as the carbohydrate source. The composition of the diets varied as follows: …

The Plant Pathogenic Corynebacteria, Anne K. Vidaver

Department of Plant Pathology: Faculty Publications

The plant pathogenic corynebacteria are a fascinating group of bacteria that produce effects as diverse as any in the microbial world, ranging from wilts to abnormal growths. Several new pathogens have been discovered since this group was reviewed by Jensen (75), Starr (157), and Lelliott (96). Most subsequent reviews have dealt with taxonomy. The areas covered in this review necessarily reflect my biases and limitations. However, this review attempts to be comprehensive in some areas, and it calls attention to other areas that would benefit from more detailed investigation.

Experimental Induction Of Resistance To An Acylurea Insect Growth Regulator, Mary Elizabeth Codrea

University of the Pacific Theses and Dissertations

A laboratory colony of a multi-insecticide susceptible strain of the housefly, Musca domestica was challenged with continuous larval selection pressure equivalent to the initial LC 60 level for 8 generations with the insect growth regulator WL 86303 (1-(3,5-dichloro-4)4-nitrophenoxy- phenyl)-3 -(2)chlorobenzoyl)- urea). A more than twofold increase in resistance was observed at the F8 generation. No cross-tolerance to the related compound, diflubenzuron (DIMILIN ^(R)) (1-(4-chlorophenyl)-3- (2,6-difluorobenzoyl)-urea) was observed after 8 generations. WL 86303 was significantly less toxic to houseflies than diflubenzuron. No significant difference was noted between the toxicity of WL 86303 to an unpressured wild housefly strain, and to …

Resistance To The Rice Gall Midge Orseolia Oryzae In Rice, E. A. Heinrichs

Department of Entomology: Faculty Publications

Orseolia oryzae, the rice gall midge is a major pest of rice in many areas of tropical Asia and is becoming an important pest in Africa. A chronological review of the progress made in various national programs on varietal resistance, sources of resistance and breeding for resistance is given. Many resistant varieties have been identified and have been utilized in breeding programs to develop high yielding varieties with multiple resistance to the gall midge and other insect pests and diseases. Mechanisms and inheritance of resistance in rice varieties are discussed. Rice varieties resistant in various countries and sources of resistance …

Physiology Of Salt Excretion In The Mangrove Avicennia Marina (Forsk.) Vierh, Philippa M. Drennan

Biology Faculty Works

Diurnal and long‐term excretion by leaves of Avicennia marina seedlings growing in aqueous culture was correlated with substrate salinity and transpiration. Excretion was greater in 100% than 50% seawater but the reverse was true for transpiration. The diurnal excretion pattern, with exudation minimal during the day and maximal during the night, showed a negative correlation with the daily transpiration pattern. The total amount of salt excreted, however, showed a positive correlation with the total amount of water transpired. Root and xylem sap salinities were linearly related to substrate salinity but leaf Na+ increased to a maximum, indicating that control of …

The Effect Of Soil Acidity On Crop And Pasture Production, Summary Of Experimental Results, 1982., W. Porter., S. Carr., R. Klemm.

Experimental Summaries - Plant Research

82ME54, 82M024, 82TS33, 82M5, 82ME10, 81TS1, 81TS30, 81LG8, 81M54, 82ME31, 82ME55, 82ME56.

Grain Legume Agronomy Programme., G. H. Walton

Experimental Summaries - Plant Research

Lupin agronomy, Series l - Growth factor interactions. 82GE18, 82GE19, 82N038, 82N18, 82MA13. Lupin agronomy, Series 2 - Harvest index response to density 82GE20, 82M24. Lupin agronomy, nutrition, 82GE21, 82MA14, 82M017. Erregulla lupin rotation plots, 81M027, 81M029, 81M030. Grain legumes for wheatbelt rotations, 81GE6,81TS3, 81ME3, 81M05, 81MO14. Grain legume species trials, 81E30, 82NA31, 82JE23, 82E26, 82LG28. Low rainfall, medium soils pH 5.5 to 7.0, 82ME41, 82ES35, 82ES36, 82TS25, 82ME39. Sites that failed, 82GE23, 82ME40, 82JE18. Field pea agronomy, 82LG27, 82LG26. Oat/lupin mixtures for grain feed 82Bu9, 82Bu10, 82AL34. Oat/pea mixtures for hay, 82PE21, 82KA37. Fababean nodulation, 82MD16, 82MN25.

Sulphur Nutrition Of Pastures, Phosphorus And Potassium Nutrition Of High Rainfall Pastures On Deep Sands And Soil Acidity - High Rainfall Pastures., J. S. Yeates., M. F. Clarke

Experimental Summaries - Plant Research

Sulphur - high rain fall areas. Rates and time of application of sulphur as superphosphate to pastures. 79AL2, 79AL23, 79AL41, 82BY7, 82BY8, 82PE2. Sulphur rundown on heavy soils - 81BY1. Sources, rates, time of application of sulphur to pastures. 80AL1, 80AL4, 81AL3, 81AL4. Sulphur - low rainfall areas. Sulphur on pastures 80JE16/17, 82AL9, 82KA4. Sulphur on crops 82ME68 (with G Fosberry). Phosphorus. Sources, rates, time of application of phosphorus on high rainfall deep sand pastures. 80AL2, 80ALS, 80AL15, 81AL5, 81KE2, 81MA4, 82AL10. Potassium. Sources, rates, time of application of potassium on high rainfall deep sand pastures. 80AL3, 80AL6, 81AL7, 81AL8. …

Spatial Learning As An Adaptation In Hummingbirds, Susan Cole, F. Reed Hainsworth, Alan Kamil, Terre Mercier, Larry L. Wolf

Avian Cognition Papers

An ecological approach based on food distribution suggests that hummingbirds should more easily learn to visit a flower in a new location than to learn to return to a flower in a position just visited, for a food reward. Experimental results support this hypothesis as well as the general view that differences in learning within and among species represent adaptations.

The Effect Of Artificially Extended Photoperiod During Lactation On Maternal Performance Of The Sow, John W. Mabry, Fred L. Cunningham, Robert R. Kraeling, George B. Rampacek

United States Department of Agriculture Wildlife Services: Staff Publications

A 20-stall farrowing facility was partitioned into two separate rooms of 10 stalls each so that photoperiod could be controlled. In addition, temperature and air movement were equalized in the two rooms. The two light regimens utilized were 8 h light: 16 h dark, and 16 h light:8 h dark. A total of 26 sows in two replicates were used. Females were moved into the facility on d 103 -+2 of pregnancy, litters were equalized at birth and weaning was at 28 d of age. Traits evaluated included litter size at birth and weaning, 21-d pig and litter weights, milk …

The Ecology Of Mutualism, Douglas H. Boucher, Sam James, Kathleen H. Keeler

School of Biological Sciences: Faculty Publications

Elementary ecology texts tell us that organisms interact in three fundamen­ tal ways, generally given the names competition, predation, and mutualism. The third member has gotten short shrift (264), and even its name is not generally agreed on. Terms that may be considered synonyms, in whole or part, are symbiosis, commensalism, cooperation, protocooperation, mutual aid, facilitation, reciprocal altruism, and entraide. We use the term mutual­ism, defined as "an interaction between species that is beneficial to both," since it has both historical priority (311) and general currency. Symbiosis is "the living together of two organisms in close association," and …

The Influence Of Salinity On Larval Development And Population Dynamics Of Anopheles Merus Dönitz (Diptera: Culicidae), F. W. Mosha, C. M. Mutero

All Peer-Reviewed Publications

Variations in density of adults of Anopheles merus Dön. in Jimbo Village on the Kenya Coast were found to be correlated both with rainfall and with salinity at their breeding sites. Densities started to increase at the beginning of the rains when several breeding sites were formed. This was followed by a decline in numbers resulting mainly from the decrease in salinity in the semi-permanent breeding sites. A second rise occurred after the end of the rains, corresponding with an increase in salinity in the semi-permanent breeding sites due to evaporation. Peak density coincided with salinities of 30–50% sea water …

Agricultural Experiment Station News December 1981

Agricultural Research Division: News and Annual Reports

CONTENTS:
From the Director's Desk
Comprehensive Reviews
Progress Report - Format for Experiment Station Projects
Summer Faculty Fellowship Program Suspended
Season's Best Wishes
Federal Budget Update
Sahs Sel
Grants and Contracts
NEBRASKA AGRICULTURAL EXPERIMENT STATION PUBLICATIONS - November 1981
Journal Abstracts - Submitted for Publication

Control Of Eating Behavior: An Evaluation Of The Effects Of Serving Less Preferred Foods Prior To The Meal On Preschoolers' Eating, Paul Joseph Smith Knight

Masters Theses

This study investigated the effects of serving less preferred foods (vegetables) prior to the noon meal on: (1) The amount of vegetables eaten. (2) The variety of different vegetables eaten. (3) The number of servings of vegetables requested by the children. A plate containing 10 grams each of six different vegetables was served under one of two conditions: (1) Alone, 10 minutes prior to the main meal. (2) With the main meal for the first 10 minutes. A third condition allowed for the children to request any one of the six vegetables as an addition to their main meal. The …

The Nutritional Value Of Selected Vegetarian Meals, Kathleen R. Wheeler

Loma Linda University Electronic Theses, Dissertations & Projects

The complementary effect of various vegetable proteins as eaten by humans in vegetarian meals was evaluated using the PER method in rats. In addition, the quality of leaf protein as the only protein source in one of the diets was evaluated.

Five diets were formulated consisting of a typical breakfast menu, a typical lunch, a typical supper, a combination of the three meals, and a mixture of green leafy vegetables. The diets were isocaloric and isonitrogenous and consisted of 10% protein, 8% fat, 69% carbohydrate, 7% cellulose, 4% mineral mixture, and 2% vitamin mixture. The control diet was prepared using …

The Hairless-Obese Mouse, William D. Stansfield

Biological Sciences

Viable mice homozygous for two recessive autosomal genes, hairless (hr) and obese (ob) were produced with an average life span of 538 ± 34.1 days. On the average, hairless-obese mice weighed about 73 percent as much as obese mice. Since obese mice consumed approximately 73 percent as much oxygen per gram body weight per hour as hairless-obese mice at about 24°C, the weight averages appear to be closely inversely related to the oxygen consumption averages. The presence or absence of pelage seems to make a negligible contribution to oxygen consumption in these two types of obese …

Agricultural Experiment Station News November 1981

Agricultural Research Division: News and Annual Reports

CONTENTS:
From the Director’s Desk
Staff Conference Off
Sahs Sez
Curiosity
Integrated Energy Farm Progress
Budget Reductions
Hunting Season
Grants and Contracts
NEBRASKA AGRICULTURAL EXPERIMENT STATION PUBLICATIONS - October 1981

Nutritive Evaluation Of Warm-Season Grasses In Connecticut, R.W. Taylor, D.W. Allinson

Storrs Agricultural Experiment Station

No abstract provided.

Activity Of Moose And White-Tailed Deer At Mineral Springs, D. Fraser, H. Hristienko

Social Behavior Collection

Activity of moose (Alces alces) and white-tailed deer (Odocoileus virginianus) was studied at two natural mineral springs (licks) in Ontario during the springtime and summer of 1977 to 1980. Most adult moose appeared to use a lick during a single 1- to 5-day period in a year; some returned at intervals during the season; and all seemed drawn principally by the mineral-rich water. Some young moose remained in the lick vicinity for 3 weeks or more, and often wandered in and out of the licks, grazing herbage as well as drinking. This suggested a social as well as a nutritional …

Agricultural Experiment Station News October 1981

Agricultural Research Division: News and Annual Reports

CONTENTS:
From the Director’s Desk
The Curiosity Factor
IANR - 1982 Conference
Grants and Contracts
Sahs Sez
Energy Farm Progress
North Platte Station
Projects Approved
NEBRASKA AGRICULTURAL EXPERIMENT STATION PUBLICATIONS - September 1981
New Experiment Station Personnel