SEROPREVALENCE OF TWO BABESIA SPP. ISOLATES IN SELECTED BIGHORN SHEEP (OVIS CANADENSIS) AND MULE DEER (ODOCOILEUS HEMIONUS) POPULATIONS IN CALIFORNIA

A study of the gastropod intermediate hosts of the lungworms Protostrongylus stilesi and Protostrongylus rushi was conducted on a bighorn sheep (Ovis canadensis canadensis) winter range in southwestern Alberta, 1984–1985. Over 7000 gastropods were examined. Seven gastropod species were infected with Protostrongylus-type larvae: the predominant intermediate hosts were Euconulus fulvus (6.8% infected), Vertigo gouldi (5.6%), and Vertigo modesta (3.2%). Prevalence of third-stage (infective) larvae was highest in September and April, coinciding with use of the winter range by bighorn sheep. An index of lungworm availability to sheep was highest in autumn in the margins of aspen copses and in spring in the grassy openings. Copses were used extensively by sheep in autumn, and open areas were used in the spring. Presence of a mule deer (Odocoileus h. hemionus) lungworm, Orthostrongylus macrotis, was an inherent problem.

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Niche relationships within a guild of ungulate species in Yellowstone National Park, Wyoming, following release from artificial controls

Canadian Journal of Zoology ◽

10.1139/z94-183 ◽

1994 ◽

Vol 72 (8) ◽

pp. 1383-1394 ◽

Cited By ~ 39

Author(s):

Francis J. Singer ◽

Jack E. Norland

Keyword(s):

Cervus Elaphus ◽

Rank Order ◽

Mule Deer ◽

Bighorn Sheep ◽

Ovis Canadensis ◽

Bison Bison ◽

Exclusion Principle ◽

Antilocapra Americana ◽

Artemisia Frigida ◽

Niche Relationships

Niche relationships and diet overlaps were compared among elk (Cervus elaphus), bison (Bison bison), bighorn sheep (Ovis canadensis), mule deer (Odocoileus hemionus), and pronghorn antelope (Antilocapra americana) between 1967–1970 and 1986–1988, a period when total ungulate numbers nearly tripled on Yellowstone's northern range. Ungulate species ratios on Yellowstone's northern winter range during the latter period were 100 elk : 10 mule deer : 3 bison : 2 pronghorns : 1 bighorns. Elk numbers were positively correlated to bison, mule deer, and pronghorn numbers (r2 = 0.76, 0.97, and 0.48, respectively, P < 0.01). Few other changes in habitat use or habitat overlap occurred, and diets for only 2 of the 10 species pairs, elk-bighorn (Spearman's rank order coefficient (RHO) = 0.55, P < 0.05) and mule deer – pronghorn (RHO = 0.64, P < 0.05), were significantly associated with each other. Bison consumed more grass and fewer sedges, mule deer more fringed sage (Artemisia frigida) and more rabbit-brush (Chrysothamnus spp.), and bighorn sheep more grasses and fewer sedges, while pronghorns ate less saltsage (Atriplex nuttalli) but more big sagebrush (Artemisia tridentata) during 1986–1988 than during 1967–1970. Bison expanded their range and bison and bighorn sheep used a wider variety of habitats. We found little evidence of change in competitive interactions between ungulate species. A few diet and habitat overlaps increased, the opposite of the prediction from the competitive exclusion principle amongst species, suggesting that intraspecific competition was more important. Several explanations are proposed for the lack of changes in niche relationships during a period of near tripling in density of the ungulate guild.

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Models of habitat quality and connectivity for mountain lion (Puma concolor), mule deer (Odocoileus hemionus), desert bighorn sheep (Ovis canadensis nelsoni), black bear (Ursus americanus), and pronghorn (Antilocapra americana) on the Navajo Nation

Forest Service Research Data Archive ◽

10.2737/rds-2015-0018 ◽

2015 ◽

Author(s):

Erica Fleishman ◽

Brett G. Dickson ◽

Jesse J. Anderson

Keyword(s):

Ursus Americanus ◽

Puma Concolor ◽

Mule Deer ◽

Black Bear ◽

Odocoileus Hemionus ◽

Ovis Canadensis ◽

Antilocapra Americana ◽

Navajo Nation ◽

Desert Bighorn Sheep ◽

Mountain Lion

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Micro minerales en hígado de Ovis canadensis mexicana Merriam, y Odocoileus hemionus eremicus Mearns en Sonora, México

RECUBRIMIENTO COMESTIBLE CON BASE DE PIÑON MEXICANO (Jatropha curcas) SOBRE LA CALIDAD DE CHAYOTE MINIMAMENTE PROCESADO ◽

10.32854/agrop.v13i6.1694 ◽

2020 ◽

Vol 13 (6) ◽

Author(s):

Genaro Olmos Oropeza ◽

Guillermo Espinosa Reyes ◽

Fernando Isaac Gastelum Mendoza ◽

Luis Antonio Tarango Arámbula ◽

Saúl Ugalde Lezama ◽

...

Keyword(s):

Odocoileus Hemionus ◽

Ovis Canadensis ◽

Palabras Clave ◽

Icp Ms ◽

Ovis Canadensis Mexicana

Introducción: El borrego cimarrón (BC) y venado bura (VB) son las especies cinegéticas más importantes en el noroeste de México, sus poblaciones pueden ser afectadas por deficiencias de micro-minerales. Objetivo: Determinar la concentración de los micro-minerales Fe, Cu, Zn, Se, Mn, Co y Cr en hígado como indicadoras de deficiencias/excesos en BC y VB. Materiales y métodos: El estudio se realizó en la UMA “Rancho Noche Buena”, Hermosillo, Sonora, México. A tres BC y cinco VB se les tomaron muestras de hígado. Los micro-minerales se determinaron en espectrómetro de masas con plasma acoplado inductivamente cuadrupolo (ICP-MS) y los análisis se validaron utilizando una muestra de referencia. Resultados: En BC los contenidos promedio de Fe, Cu, Zn, Se, Mn, y Cr fueron de 114.8, 60.9, 63.8, 1.1, 2.6, y 0.15 mgkg-1, y en VB de 183.9, 28.9, 44.6, 1.2, 2.6, y 0.17 mgkg-1, respectivamente, los cuales son adecuados para animales sanos. Sin embargo, una muestra de BC y dos de VB presentaron deficiencias de Cu, y 60% de los VB de Zn. Asimismo, los contenidos de Co en BC y VB fueron 14.6 y 12.3% inferiores al nivel adecuado. Conclusiones: En BC (n=3) los contenidos de Fe, Zn, Se y Mn fueron adecuados y el Cu fue parcialmente adecuado, en una muestra fue deficiente. En VB, los contenidos de Fe, Se y Mn fueron adecuados. Los contenidos de Cu y Zn fueron parcialmente adecuados en el 40 y 60% de los VB, donde estuvieron en nivel de deficiencia. El Co fue deficiente en ambas especies. Palabras clave: Diagnóstico; microelementos; deficiencias, borrego cimarrón, venado bura.

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