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Creator:: Lei, Wayne
Abstract:: A study was performed to assess the uptake and retention patterns of cesium-134 in the gray-tailed vole, Microtus canicaudus Miller. To furnish a realistic source of contaminated food for the voles, wheat seedlings were raised in hydroponic solutions to provide radiocesium labeled wheat clippings. The hydroponic system was designed to...
Resource Type:: Masters Thesis
Full Text:: canicaudus Miller AN ABSTRACT OF THE THESIS OF Wayne Lei for the degree of Master of Science in General

Creator:: Tyser, Robin W.
Abstract:: The taxonomic status of Microtus canicaudus was compared with that of a morphologically similar vole, Microtus montanus. Four means of comparison were utilized: hybridization experiments, comparative karyology, growth distinctions (total length and body weight), and qualitative behavioral observations. The hybridization experiments indicated that, while the incidence of pregnancy of M....
Resource Type:: Masters Thesis
Full Text:: : Redacted for privacy (Itl. Larry G. Forslund) The taxonomic status of Microtus canicaudus was compared

Creator:: Weil, James Wayne
Abstract:: Agonistic behavior among three species of Microtus live-trapped near Corvallis, Oregon was recorded in order to interpret habitat segregation by the species in areas of syrnpatry. The method used to measure agonistic interaction was similar to that of Colvin (1970). Agonistic behavior was recorded under red light in a neutral...
Resource Type:: Masters Thesis
Full Text:: . OREGON', AND M. TOWNSENDII) Abstract approved: Redacted for privacy 3 .Larry G. Forslund Agonistic

Creator:: Hagen, Joel Bartholemew
Abstract:: Exposure to a strange male increased the sexual development of 18-day-old females to a greater extent than did exposure to either young or adult females. Reproductive tract weights, mean diameters of Graafian follicles, and incidence of vaginal estrus were all greater in the male-exposed group during either the first or...
Resource Type:: Masters Thesis
Full Text:: Larry G. Forslund Exposure to a strange male increased the sexual development of 18-day-old females to

Creator:: Gilston, Richard Robert
Abstract:: Four experimental groups were designed to examine the effects of a "greens" dietary supplement (wheat clippings), as well as individual versus group-housing, on the adrenal and reproductive physiology of Microtus canicaudus. Organ culture of adrenal glands, thin-layer chromatography, and fluorescence analysis of steroid-containing medium were used to quantitatively assess adrenal...
Resource Type:: Masters Thesis
Full Text:: for Privacy Larry G. Forslund Four experimental groups were designed to examine the effects of a

Creator:: Pond, Finn Richard
Abstract:: The gray-tailed vole (Microtus canicaudus) demonstrated a requirement for selenium and vitamin E. Animals deficient in both nutrients suffered from liver necrosis and an unthrifty condition characterized by inappetence, profuse diarrhea, and swollen eyes. Vitamin E appeared less effective than selenium as a prophylaxis against this syndrome. Total body weights,...
Resource Type:: Masters Thesis
Full Text:: during the course of this study. A special thanks is extended to my major professor, Dr. Larry G

Creator:: Whitfield, Stephen Curtiss
Abstract:: The testes of the gray-tailed vole (Microtus canicaudus Miller) exhibited a high affinity for selenium relative to other selected tissues. Uptake of selenium-75 in the testis-epididymis complex was delayed relative to uptake by the whole body, kidney, and liver. This pattern of uptake suggested that selenium was metabolically incorporated into...
Resource Type:: Masters Thesis
Full Text:: Larry G.Foislund Redacted for privacy David L. Willis The testes of the gray-tailed vole (Microtus

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