GRAZING DAYS Pasture Management Part II September 22, 2009.
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Transcript of GRAZING DAYS Pasture Management Part II September 22, 2009.
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GRAZING DAYSGRAZING DAYSPasture Management Part IIPasture Management Part II
September 22, 2009September 22, 2009
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BLACKCHERRYBLACKCHERRY
Cyanogenic glycosides
All parts toxicMost common –
wilted leavesWithin one hour
lethal ingested amount can cause spasma and death from respiratory failure
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BRACKEN FERNBRACKEN FERN
Toxicity – thiaminaseAll parts toxicCollapse convulsionDeath within a few
daysCalves
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BUTTERFLY WEEDBUTTERFLY WEED
Roots, plant sap from all parts.
Vomiting, stupor, weakness, spasms
Resinoid, cardiac glycoside
Large quantities eaten
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CASTOR BEANCASTOR BEAN
Toxicity – RicinAll parts toxic *seedsSymptoms may show
immediately or delay for up to 2 days after ingesting.
Weakness, Bloody vomiting/diarrhea
Convulsion, deathFew cracked seeds
have cause death
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CHERRY LAUREL TREECHERRY LAUREL TREE
Same as Black Cherry, Choke Cherry
Within one hour lethal amount can cause spasma and death from respiratory failure
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CHINA BERRY TREECHINA BERRY TREE
All partsLeaves have
paraisineFruit has azaridineRipe fruit more toxic
than green, deaths in livestock (sheep/pigs)
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CHINESE TALLOWTREECHINESE TALLOWTREE
Toxic agent unknownTerminal leaves and
green fruit – gastrointestinal disorder
Consume 1% of BW will produce signs in 12-14 hrs
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COCKELBURCOCKELBUR
Vomiting in pigsSheep/Cattle show
weakness, inability to stand, confusion, rapid and weak pulse, low temp and muscular spasm
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COFFEE WEED - SICKLEPODCOFFEE WEED - SICKLEPOD
Seeds toxicity upon the skeletal muscles, kidney, and liver
The leaves and stem also contain toxin, whether green or dry
Diarrhea, go off feed, lethargic, and tremors appear in the hind legs
Urine becomes dark and coffee-colored and the animal becomes recumbent and is unable to rise. Death often occurs within 12 hours after the animal goes down
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COFFEE SENNACOFFEE SENNA
Seeds toxicity upon the skeletal muscles, kidney, and liver
The leaves and stem also contain toxin, whether green or dry
Diarrhea, go off feed, lethargic, and tremors appear in the hind legs
Urine becomes dark and coffee-colored and the animal becomes recumbent and is unable to rise. Death often occurs within 12 hours after the animal goes down
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CROTALARIACROTALARIA
Alkaloid monocrotaline
All parts are toxic, green or dry
Horses develop unthriftiness
Liver damageNo treatment
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FETTERBUSHFETTERBUSH
All parts toxicWatering of mouth,
eyes, nose2-6 hrs later vomitingDeath from
Respiratory failure
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HORSENETTLEHORSENETTLE
Toxic - Solanine alkaloid
Nausea, vomiting, salivation, drowsiness, abdominal pain, diarrhea, weakness, respiratory depression; may be fatal
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JIMSONWEEDJIMSONWEED
Toxic - Tropane alkaloids
All parts, mainly seeds and leaves
rapid and weak pulse, convulsions
Large quantities eaten
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JOHNSONGRASSJOHNSONGRASS
Cyanide poisoning of cattle/livestock when grown under adverse conditions (drought, frost, etc.)
Death from respiratory failure
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LANTANALANTANA
Toxicity- lantaninAll parts are toxicSevere weaknessParalysisDeath 3-4 daysTreatment sodium
thiosulfateGoats not affected
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NIGHTSHADENIGHTSHADE
Alkaloid SolanineBerries most toxic
when greenHighly toxicPoisoning common in
calves during spring when forage is in short supply
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OLEANDEROLEANDER
All parts toxicNeroside, oleandroside,
cardiac glycosides15-20 grams of leaf can
kill a mature cowGreen or dry leaves
equally toxicRespiratory paralysis,
death
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PERILLA MINTPERILLA MINT
All parts toxicKetones – respiratory
distressMinty odor when
crushedConsumed when
Forage in short supply
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PIGWEEDPIGWEED
All parts toxicConcentrate
nitrates in leavesVitamin deficiency,
bloatRarely death
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POKEBERRYPOKEBERRY
Root is most toxic but all parts
Cramping, diarrheaMost cases
recovering in 24-48 hrs
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RAIN LILYRAIN LILY
All parts, especially the bulb
Alkaloids lycorineLarge amounts
causes staggers in horses, cattle
Collapse and death 48 hrs
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SESBANIASESBANIA
Saponin that is toxic to livestock
Seeds most toxicConsumed when
forage is scarce1-2 oz. of seeds can
be fatal
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SHOWY CROTALARIASHOWY CROTALARIA
All parts toxic, green or dried in hay
Listlessness, loss of appetite, diarrhea, bloody feces, stumbling and death
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SNEEZEWEEDSNEEZEWEED
Leaves, flowers, seeds
Glucoside and a phenol
Sheep VomitingLarge quantities
needed
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SWEET SHRUBSWEET SHRUB
Alkaloid is contained in the seed
Strychnine like symptoms
Large quantities needed
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WATER HEMLOCKWATER HEMLOCK
CicutoxinSeeds and flowers
produce mild gastroenteric irritation
Large mouthful can be fatal
Respiratory or cardiac failure
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YELLOW JESSAMINE YELLOW JESSAMINE
All parts including nectar are toxic
Muscular weakness and respiratory failure
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Derek BarberDerek BarberLivestock & Natural ResourcesLivestock & Natural Resources
[email protected]@ufl.edu