Global ETD Search
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 35 for “"selective breeding"”.
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Attempted Replication Of, and Selective Breeding For, Instrumental Conditioning of Drosophila Melanogaster
Made available in DSpace on 2014-12-10T21:07:26Z (GMT). No. of bitstreams: 1 7212447.pdf: 3327129 bytes, checksum: 3f22082b90088c3bb6bdf79edaa0a2be (MD5) Previous issue date: 1971
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Genetic Analysis of Water Regulation in the Rat: Population Parameter Andinitial Results of Selective Breeding
Made available in DSpace on 2014-12-08T23:01:51Z (GMT). No. of bitstreams: 1 6910729.pdf: 7158668 bytes, checksum: cbeac5ac3907b7b213423d764a192367 (MD5) Previous issue date: 1968
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HONEY BEES, BIODIVERSITY AND CLIMATE CHANGE
… change, and the genetic risks associated with selective breeding. This thesis explores the genetic and microbial dimensions of honey bee health and productivity within a closed breeding population selected since 2015 for docility, hygienic behavior, and honey production, as part of the Beenomix …
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Rats selectively-bred for low and high voluntary running: co-selected traits and the effects of voluntary running on the dentate gyrus transcriptome
… The Booth lab at the University of Missouri has selectively-bred Wistar rats for low (LVR) and high (HVR) voluntary running behavior as a model for examining the genetic and physiological origins of physical activity motivation. The major advantage of selective breeding over non-natural methods …
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Fine mapping of the protein QTL cqSeed protein-001 from PI 407788A and genome-wide association mapping in the soyNAM populations using DNA cytosine methylation
… resulting from rapid domestication and years of selective breeding, it is imperative to find new sources of genetic variation for improving the genetics of soybean germplasm. Seed protein concentration is an amenable trait in soybean with extensive variation in accessible collections of soybean …
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Red fox genome assembly identifies genomic regions associated with tame and aggressive behaviors
… have been developed in the famous long-term selective breeding program known as the Russian farm-fox experiment. Here we sequenced and assembled the red fox genome and re-sequenced a subset of foxes from the tame, aggressive, and conventional farm-bred populations to identify genomic regions …
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A study of the effects of sitosterol ingestion on the serum cholesterol concentrations of two genetically different strains of laboratory mice
… two strains of mice, produced previously by selective breeding, differ from each other in their serum cholesterol concentrations.</p>
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Genomic response to selection for behavior
… behavior genomics because of an experimental breeding project that began in the mid-20th century at the Institute for Cytology and Genetics in Novosibirsk, Russia. In this experiment, foxes acquired from fox farms were bred into two lines: one that displays prosocial, tame behavior and one …
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Conditioned Discrimination in the Behavior-Genetic Analysis of the Blow Fly, Phormia Regina
… score (CS+-CS-) as the selection criterion, selective breeding produced high and low performance lines differing significantly from one another and from an unselected control line. An analysis of the selected lines using a newly developed system for the classification of curve types reveals …
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Systemic Insulin Sensitivity and Skeletal Muscle Akt Signaling in Rats Artificially Selected for Low and High Aerobic Capacity
… insulin signaling. After 34 generations of selective breeding, high aerobic capacity (HCR) rats exhibited an 8-fold increase in running distance vs low aerobic capacity (LCR) rats (n=14 per group). LCR rats had higher rates of weight gain vs HCR (p<0.05) though food consumption was constant …
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Dengue Virus Host Factors
… antivirals to combat the disease and enable the selective breeding of mosquitoes resistant to the virus. Although the genomes of the two primary mosquito vectors have been sequenced, the molecular tools necessary for conducting a systematic genetic analysis of host factors required for DEN …
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The production of light horses
… the State. Virginia has provided the genesis of selective breeding to produce superior horses; through the efforts of Virginia horsemen has been evolved a type of animal adapted to pleasure, to work, and to general-purpose functions. Although mechanical power is utilized on some farms, the motor …
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The vampire as eugenic examiner, 1880-1896.
… problems and suggested cures through the use of selective breeding programmes. Critical thought has placed the fin de siecle vampire in a negative role, especially in academic writing relating to Dracula; the vampire is seen as changing and degenerating society with their 'otherness' in a harmful …
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Analysis of the effects of sire and age on wool quality traits in Romney ewes
… to strong wool have caused dual purpose sheep breeding objectives to align with meat production. The resulting lack of focus on wool breeding has resulted in reduction of the quality and value of strong wool. This dissertation examines the results of a wool breeding trial being conducted with …
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Epidemiology of East Coast Fever in smallholder livestock systems of East Africa
… disease management strategies, including selective breeding for tolerant genotypes and harnessing the potential of co-infections to mitigate disease severity ultimately contributing to reduced cattle mortality and greater economic resilience for smallholder farmers.
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The glucosinolate/myrosinase system: variation in glucosinolates, hydrolysis products, transcript abundance, and quinone reductase bioactivity in Brassica sp. crops
… the improvement of anti-cancer activity through selective breeding of edible plants that produce glucosinolates, such as the Brassica, has gained in popularity as a breeding objective. In this research we survey variation in glucosinolate and glucosinolate hydrolysis product profiles as well as …
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Toward genetic marker-assisted improvement of aquaculture stocks
… the rate of genetic progress above that for selective breeding alone. QTL detection and MAS have not yet been practiced on an aquaculture species. I reviewed the technical literature on QTL detection and MAS in other species in order to advance critical discussion of how best to pursue QTL …
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Validating a novel ADHD model for medication development
… validity of a genetically variable line mice selectively bred for increased home cage activity in order to determine whether it may faithfully recapitulate facets of ADHD symptomatology. In Chapter 1, the rodent models of ADHD currently used are reviewed in terms of their validity, advantages …
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Assessing Motivational and Associative Learning Mechanisms Underlying Compulsive Drinking
… alcohol-paired stimuli enhance alcohol seeking, selectively bred crossed High Alcohol Preferring mice experienced Pavlovian conditioning procedures with an alcohol unconditioned stimulus. We hypothesized that after repeated pairings, alcohol cues would elicit seeking conditioned responses. Then, …
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