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 48 for “"Molting"”.
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Studies of the Eyestalk, Metabolism, and Molting and Reproductive Cycles in a Cave Crayfish,
Made available in DSpace on 2014-12-10T18:13:22Z (GMT). No. of bitstreams: 1 6408397.pdf: 5492246 bytes, checksum: 82855d742c4ea9dd0088a3cd93d39340 (MD5) Previous issue date: 1964
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Studies of the Physiology of Wintering and of Molting Canada Geese (Branta Canadensis Interior)
Made available in DSpace on 2014-12-04T22:46:05Z (GMT). No. of bitstreams: 1 5805425.pdf: 5416034 bytes, checksum: dc26f46ff3d495e0e36f0b5a3b446f78 (MD5) Previous issue date: 1958
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Breaking the MF curse: the regulatory role of the Methyl farnesoate – MEKRE93 pathway in crustacean molting
… juvenile hormone (JH) control insect molting and development, respectively. On the other hand, crustacean molting is primarily regulated through the endocrine crosstalk between 20-E and the neuropeptide molt-inhibiting hormone (MIH). MIH secretion by the X-organ, sinus gland complex …
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Effects of Temperature on Growth and Molting in Blue Crabs (Callinectes Sapidus) and Lesser Blue Crabs (<i>Callinectes similis</i>)
… that exhibit discontinuous growth (i.e., molting), this includes both intermolt period and growth per molt. Previous laboratory and field experiments suggest that temperature affects both intermolt period (IMP) and growth per molt (GPM) in many crustaceans, including blue crabs. Field …
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Pengaruh ranggas paksa (Forced molting) metode puasa dan suplementasi tepung bekicot (Achatina fulica) pada ransium terhadap bobot ovarium dan pertumbuhan folikel yolk ayam arab (Gallus turcius)
… pada umur 1,5-2 tahun saat memasuki periode molting. Periode molting berlangsung selama 3-4 bulan secara alami terjadi pada ayam petelur di akhir periode produksi. Ranggas paksa (forced molting) adalah salah satu metode yang ditempuh untuk mempercepat periode molting sehingga ayam lebih cepat …
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Pengaruh ranggas paksa (forced molting) dengan metode puasa dan pemberian ransum dengan suplementasi tepung bekicot (Achatina fulica) terhadap produksi dan kualitas telur ayam Arab (Gallus turcicus)
… berumur 1,5 sampai 2 tahun ayam mengalami fase molting yang merupakan kejadian alami pada unggas yang ditandai dengan rontoknya bulu dan berhentinya produksi telur, karena terjadi regresi pada organ reproduksi unggas disebabkan tingginya hormon prolaktin dalam tubuh unggas. Kejadian ini …
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Ciclo de muda de passeriformes do sub-bosque de um trecho de mata de encosta na Serra dos Órgãos, Rio de Janeiro, Brasil
… of molt in undergrowth passerines, such as molting period, sequence of feather replacement, and rate were studied using a system of scores with banded birds from July 1995 to June 1997 in a section of Atlantic forest in the foothills of Serra dos Órgãos, Rio de Janeiro. Nonaccidental molt …
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Inversion
The novel Inversion is a study in human molting and the collapse of diachronic time within advanced, global, informatized capitalism. It is set in Montana.
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Inversion
The novel Inversion is a study in human molting and the collapse of diachronic time within advanced, global, informatized capitalism. It is set in Montana.
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Meteorological and geomorphological influence on harbor seal haul-out distribution behavior using drone imagery
… as two sensitive life stages (pupping and molting) which are vital for the population’s success coincide in time with the increase in tourist activity. This study assessed how topography and meteorological conditions affect seal haul-out site use. Using drone surveys, high-resolution …
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Natural history and ecological observations of a population of Conhaway crayfishes and their symbiotic branchiobdellidan associates
… other large-bodied species of Cambarus crayfish. Molting occurred throughout the year, peaking in the months of April and September. This molting served as a disturbance effect to the symbiotic branchiobdellidan community and reset community assembly. The worm communities on larger, recently …
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Characterization of the transcriptome and the peptidase and the non-peptidase homologs of callosobruchus maculatus
… in other functions such as immune response and molting, the peptidase and non-peptidase homologs were annotated. Here a de novo transcriptome assembly was built from 840,766 Roche 454 reads using CLC Genomics workbench. The assembly resulted in 35,111 contigs that were analyzed using Blast2GO. …
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The determination of log-time mortality curves of the various life stages of (Hypera postica) subjected to certain insecticides
… observe the effects of certain insecticides on molting, feeding and other processes that may be affected. Dibrom, heptachlor epoxide, and Indian were tested against various life stages of the alfalfa weevil. These three insecticides were chosen because of the differences in their chemistry and …
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Factors involved in the control of plasma thyroid hormone concentrations during an induced molt in the domestic hen
… method of temporary feed withdrawal (FW). Molting mechanisms were also studied. Molt was induced by infusion of a gonadotropin releasing hormone agonist (GnRH-A; (D-Leu$\sp6$,Pro$\sp9$) -GnRH N-ethylamide), and compared with molt induced by FW. Hens were divided into three groups: (1) sham …
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Effects of zinc and mercury on the white shrimp, Penaeus setiferus
… variables (such as temperature, weight, molting, sex, and season) were assessed in bioassay techniques which utilized measurements of locomotor activity, mortality, and oxygen consumption. Four-day mortality results (the number or percentage dead) allowed reasonable conclusions concerning …
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Biologia reprodutiva de Formicivora erythronotos (Aves: Thamnophilidae)
… February. No individual bird was recorded to be molting and breeding at the sarne time. No difference of food availability has been detected between breeding and molting seasons.
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Toxicity of Formulated Insecticide Mixtures to Apis and Non-Apis Bees
… of mortality, while those comprised of diamide, molting hormone agonist and spinosyn chemistries were relatively less toxic, inducing a slower onset of mortality. At 96-hours, overall high mortality was observed for all treatments, thereby indicating the high acute toxicity of these insecticide …
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Nesting and Brood Rearing Ecology of the Vancouver Canada Goose on Admiralty Island Southeast of Alaska
… tied to requirements for brood rearing habitat. Molting, non-breeding or unsuccessful breeding geese also used forest habitat freely and avoided observers by fleeing into the forest. Use of habitat compared to tide stage was significant (P < .0001) and may be a function of availability. Habitat …
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Effects of acidification on the crayfish Cambarus bartonii bartonii in southern Appalachian streams
… and effects of episodic acid events on molting. Population estimates of crayfish ranged from 210 to 683 crayfish in 20 to 25m study sections (≃9.2 to 29.8 per m<sup>2</sup>) of Ball Creek and Pinnacle Branch. Mean catch per baited funnel trap and mean catch per hour of hand collecting …
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ΣΥΜΒΟΛΗ ΣΤΗ ΜΕΛΕΤΗ ΤΗΣ ΟΙΚΟΛΟΓΙΑΣ ΚΑΙ ΒΙΟΛΟΓΙΑΣ ΤΗΣ CALLIANASSA TYRRHENA (PETAGNA, 1792) (CRUSTACEA, DECOPODA, THALASSINIDEA)
… AND SEX-RATIO WHILE THE REPRODUCTIVE PERIOD AND MOLTING ACTIVITY OF THE POPULATION ARE SEASONALLY DETERMINED. THE SPECIES LIVE MORE THAN THREE YEARS AND IT IS ITEROPOROUS WITH REPRODUCTION STARTING BY THE COMPLETION OF THE FIRST YEAR. SEXUAL DIMORPHISM EXIST IN ABSOLUTE INDIVIDUAL AS WELL AS …
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