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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 392 for “"reared"”.
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Milk Proteins for Artificially Reared Piglets
Made available in DSpace on 2014-12-10T22:30:31Z (GMT). No. of bitstreams: 1 7514157.pdf: 4907721 bytes, checksum: bdc6c255cb7b7aec0c8a6392c0d8f4c7 (MD5) Previous issue date: 1975
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Parenthood concepts of adults reared without parents
… parental attitudes expressed by adults who were reared in an institutional setting and adults who were reared in a nuclear family setting. The Parental Attitude Research Instrument, developed by Schaefer and Bell (1958), was used to elicit parental attitudes of the adults regarding child-rearing …
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Effects of Aldrin on Young Pen-Reared Pheasants
… 1.5 mg) were administered weekly to young pen-reared pheasants from 5 to 11 weeks of age to determine effects on growth and residue levels in brain, feathers, and whole body during and after treatment. During treatment, birds were weighed weekly. After treatment ceased, birds were weighed every …
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Modeling growth of pigs reared to heavy weights
… weight and growth performance measures of pigs reared to heavy weights in commercial facilities and to evaluate different methods of modeling these relationships. The first study was designed to develop growth curves of live animal growth performance and ultrasound measures for barrows and gilts …
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Aspects of the feeding behaviour of intensively reared trout
Feeding behaviour of trained rainbow trout was investigated by the use of demand feeders, under different light conditions. The effects of the energy content of diet, and the size, colour and texture of feed pellets, on the feeding behaviour, were studied. An attempt was made to locate the assumed …
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Prevalence of Coccidia in Game-Farm Reared Pheasants in Iowa
… collected from a mixed flock of 450 game-farm reared, adult ring-necked pheasants during a 20 week period beginning January 21, and ending June 3, 1973, were examined for coccidian oocysts. The number of oocysts per gm. of feces was determined for each week's sample by using a modified …
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Fate Of Captive-Reared Bobwhite Quail Released In Central Kentucky
… <p>Researchers have suggested that releasing pen-reared quail may actually threaten wild quail populations and other indigenous bird species in the release area. Issues such as the displacement of wild birds, disease transmission, increasing predator populations (by creating high densities of …
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GROWTH PATTERNS AND SIZE-GROUP INTERACTIONS IN HATCHERY-REARED AGE-0 LAKE STURGEON
<p>Raising lake sturgeon (<em>Acipenser fulvescens</em>) in hatcheries is an important tool for rehabilitation and conservation, but is expensive. When hatchery sturgeon do not grow large enough before stocking, their odds of survival decline significantly and resources are wasted. We investigated …
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Resilience in the lives of African-American men and women reared in substitute care
The purpose of this exploratory study was to examine the lived experience of nine African-American men and women who spent a significant amount of their childhood and adolescent years in the foster care system and the effects on their adult development. Participants were recruited for …
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Effects of mecamylamine on nicotine-induced conditioned hyperactivity and sensitization in differentially reared rats
Rats reared in an enriched condition (EC) with novel stimuli and social contact with cohorts display less sensitization to nicotine than rats reared under impoverished conditions (IC). However, it is currently unknown what effect differential rearing has on nicotine-induced conditioned …
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The larval development of Pinnixa Longpipes (Lockington, 1877) (Brachyura: Pinnotheridae), reared in the laboratory
… on the larval development of P. longpies as reared under laboratory conditions. These results are compared with previous descriptions of Pinnotherid larvae.</p>
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Corticosteroid receptor dynamics and smolting in hatchery-reared and wild coho salmon (Oncorhynchus kisutch)
Seasonal changes in corticosteroid receptors (CR) in the gills of coho salmon (Oncorhynchus kisutch) were examined to determine what effect smolting and rearing environment had on gill tissue sensitivity to cortisol. CR concentration and affinity were found to change seasonally with the increases …
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Effects of Pre-Release Physical Stressors on Post-Release Success of Hatchery-Reared Spotted Seatrout
Alteration of habitat associated with coastal development and increased demand for food and recreation can result in the depletion of fisheries resources such as the Spotted Seatrout (Cynoscion nebulosus), the Gulf of Mexico’s most popular recreational fish. Stock enhancement, or the release of …
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Survival, Growth, Food Selection, and Alimentary Canal Development of Intensively Reared Walleyes and Yellow Perch
Five genera of invertebrates, collected from a municipal sewage lagoon, were fed to newly hatched larval walleyes, (Stizostedion vitreun vitreun), and yellow perch, (Perca flavescens), to document survival, growth, food selection, and alimentary canal development of these fishes. Mean survival of …
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Effects of temperature and density on the facial malformation of hatchery-reared cisco, Coregonus artedi
… due to population declines. However, hatchery-reared cisco develop flat, subterminal snouts in hatchery environments instead of the pointed, terminal mouth observed in the wild. The cause and onset of the malformation could be the result of physical trauma, diet, genetic predisposition, or …
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Physical and Biochemical Factors Affecting Breast Fillet Tenderness in Broilers Reared For Divergent Market Demands
<p>Market trends have dictated that broilers be reared for divergent market demands for decades. Also, broiler genetic strains have been adapted to meet market demands which include: genetic selection for improved breast meat, the practice of growing birds to older ages and greater market weights …
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A COMPARISON OF PSYCHOLOGICAL ADJUSTMENT AND COGNITIVE FUNCTIONING BETWEEN ADOPTED AND INSTITUTION-REARED CHILDREN IN CHILE
… cognitive abilities of adopted and institution-reared children in Latin America, despite the large number of children living in institutional care. The aim of this thesis was to examine differences in the socio-emotional and cognitive functioning of adopted and institution-reared children in …
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Control and prevention of complicated Mycoplasma Hyopneumoniae among pigs reared in an age segregated production system
This thesis discusses two problems of increasing economical importance in modem pig production which are excess death loss and excess numbers of substandard pigs, that is, pigs which do not reach the minimal weight to assure optimal revenue. In one farm system studied, the proportion of weaned pigs …
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