Mule Deer

Mule deer are North American mammals in the genus Odocoileus, recognized by their large ears, white rump, and branching antlers, and they are important subjects in wildlife biology because they link population health to habitat conditions. Their survival depends on seasonal changes in forage, water availability, predator pressure, and movement between winter and summer ranges, while males grow and shed antlers in an annual reproductive cycle. Biologists study mule deer through behavioral observation, population surveys, genetic analysis, and movement tracking to evaluate migration, disease, habitat fragmentation, and climate effects. This research supports conservation planning, sustainable wildlife management, and protection of connected ecosystems.

Mule Deer - Related Videos

Research

JoVE Journal - Medicine

Transabdominal Ultrasound for Pregnancy Diagnosis in Reeves' Muntjac Deer

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Cited by 2 •

2014

Transabdominal ultrasound is described as an effective, noninvasive means for assessing reproductive status in Reeves' muntjac deer. These methods can be used to achieve early pregnancy diagnosis and to evaluate fetal viability. Future applications of this technique include estimation of gestational age and effects of maternal disease on fetal development.

Milk Collection Methods for Mice and Reeves' Muntjac Deer

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Cited by 26 •

2014

Milk collection from animal models facilitates various research avenues: understanding passive immunity, identifying pathogens responsible for vertical transmission and, through the use of transgenic mice, even commercial production of proteins found in human breast milk. Here we illustrate a simple method for milk collection in mice and Reeves’ muntjac deer.

Protocol for Assessing the Relative Effects of Environment and Genetics on Antler and Body Growth for a Long-lived Cervid

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Cited by 2 •

2017

Phenotypic differences among cervid populations may be related to population-level genetics or nutrition; discerning which is difficult in the wild. This protocol describes how we designed a controlled study where nutritional variation was eliminated. We found that phenotypic variation of male white-tailed deer was more limited by nutrition than genetics.

Barnes Maze Testing Strategies with Small and Large Rodent Models

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Cited by 171 •

2014

The dry-land Barnes maze is widely used to measure spatial navigation ability in response to mildly aversive stimuli. Over consecutive days, performance (e.g. latency to locate escape cage) of control subjects improves, indicative of normal learning and memory. Differences between rats and mice necessitate apparatus and methodology changes that are detailed here.

Research

JoVE Journal - Engineering
Free Sample

Measuring Spatially- and Directionally-varying Light Scattering from Biological Material

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Cited by 5 •

2013

We present a non-destructive method for sampling spatial variation in the direction of light scattered from structurally complex materials. By keeping the material intact, we preserve gross-scale scattering behavior, while concurrently capturing fine-scale directional contributions with high-resolution imaging. Results are visualized in software at biologically-relevant positions and scales.

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