Transcript Sand Shinnery Oak - Extension Veterinary Medicine

Sand Shinnery Oak
 Low shrub, usually less
than 3’.
 Tannins (in particular
gallotannin) are the
principle poisons to
Cattle, sheep and
goats.
Golden Corydalis (Corydalis aurea)
 Golden corydalis is a
spreading, yellowflowered member of the
poppy family.
 This plant reportedly
contains up to 10
alkaloids. Sheep relish
this plant. Cattle and
horses are much more
resistant.
Mountain Pink (Centaurium beyrichii)
 Two species are found
in West Texas, both
annual or biennial
plants.
 Toxic principle is
unknown. Suspected to
be poisonous to cattle,
sheep and goats.
Mountain Pink
 Also called Rosita, has
oblong to lanceolate
leaves less than ½ inch
wide, and up to 2” long.
Sacahuista (Nolina texana)
 Sacahuista is a
perennial member of
the lily family.
 Toxic agent saponin
contained in the
flowering buds, blooms
and fruit. Sheep, goats
and cattle avidly eat
these plant parts.
Tobosagrass Ergot (Claviceps cinerea)
 Toxic fungus that parasitizes
the ovary of the developing
tobosagrass flower. Infection
occurs when the grass flower
opens.
 Toxic agent appears to be
caused by a variety of
alkaloids and In some,
tremorgens.
Kleingrass (Panicum coloratum)
 Tufted perennial bunch grass
with stems 20 to 50 inches
tall arising from firm, often
knotty bases.
 If managed properly,
kleingrass provides
abundant good-quality
forage for livestock.
However, sheep and goats
can develop severe
photosensitization and liver
damage.
Johnsongrass (Sorghum halepense)
 Vigorous, coarse, perennial
grass with scaly root stalks
that can reproduce by
underground rhizomes and
seed.
 Toxic agent caused by
hydrocyanic acid (HCN)
poisoning. All domestic
animals are susceptible to
HCN; cattle are most
susceptible.