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Comparative foraging ecology of white-tailed deer and Angora goats on the Edwards Plateau, Texas
xiii, 86 leaves : illustrations ; 28 cm.
abundance and quality influenced the feeding behavior of
animals ranged freely within 0.4 ha enclosures in two
assess habitat quality for ruminants may not accurately
availability of plant biomass in pastures. Although deer
composition and available standing crop. During trials, deer
consistently higher in pasture D which contained only half
diets generally contained more in vitro digestible organic
different management regimes and differed in plant
digestible energy were similar between pastures and seasons.
during fall when deer selectively consumed acorns. Deer and
effort, traveling approximately 4 km during 10 to 14 hr of
foraging each day. Deer fed more selectively and made
foraging effort, diet composition and quality, and estimated
Goat diets were dominated primarily by grasses and browse
goat intake rates could not be predicted from the
goats; two similar-sized ungulates with different digestive
greater use of forbs and other uncommon forages (oak mast).
matter than goat diets, concentrations of crude protein and
morphologies. I contrasted patterns in deer and goat
near Sonora during fall and summer. The pastures were under
nutrient ingestion rates (i.e., foraging efficiency) while
of both deer and goats varied considerably during feeding
pastures at the Texas Agricultural Experiment Station (TAES)
periods. During summer, goats averaged higher intake rates
represent feeding opportunities for selective feeders.
study suggest that traditional approaches being used to
Surprisingly, feeding rates of deer and goats were
than deer in both pastures. Intake rates were more similar
the standing crop found in the B pasture. Results from this
This study investigated how seasonal patterns in forage
to 16 hr of foraging per day. Goats exhibited less foraging
were highly mobile, traveling an average of 10 km during 12
which were common in both pastures. Dry matter intake rates
white-tailed deer ( Odocolieus virginianus) and Angora
"Major subject: Wildlife and Fisheries Sciences".
Issued also on microfiche from Lange Micrographics.
Includes bibliographical references: pages 77-85.