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Red Clover Description: purplish red clover head, hairy stem, 3 leaved segments, pale ring on leaves Poisonous parts: all Found: all over US, in fields.

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Presentation on theme: "Red Clover Description: purplish red clover head, hairy stem, 3 leaved segments, pale ring on leaves Poisonous parts: all Found: all over US, in fields."— Presentation transcript:

1 Red Clover Description: purplish red clover head, hairy stem, 3 leaved segments, pale ring on leaves Poisonous parts: all Found: all over US, in fields Signs of poisoning: –Excessive salivation –Bloating –Diarrhea –Blindness –Abortion –Laminitis

2 Jimsonweed Description: can grow up to 5 tall, large toothed leaves, white to light violet trumpet shaped flowers, 2 spiny seed pods Poisonous Parts: flowers, leaves, seeds Found: All over US, common in fields Horses will only eat if other food is not available Scientific Name: Datura spp. Other Names: Devils Trumpet, Angels Trumpet http://www.ansci.cornell.edu/plants/horselist.html

3 Jimsonweed Flowers smell sweet, but otherwise plant has bad odor Many black seeds inside spiny seed pod http://www.fcps.edu/StratfordLandingES/Ecology/mpages/jimsonweed.htm

4 Jimsonweed Signs of Poisoning: Excitement, then sudden depression Colic Diarrhea Low temp Extreme thirst Dilated pupils Convulsions Coma Paralysis Respiratory paralysis results in death http://www.fcps.edu/StratfordLandingES/Ecology /mpages/jimsonweed.htm http://plants.usda.gov/java/ profile?symbol=DAST&phot oID=dast_003_ahp.jpg

5 Poison Hemlock Scientific Name: Conium maculatum Description: grows up to 10 tall, green stem with purple spots, lacy triangiular leaves, musky odor, small white flowers clustered with a flat top Poisonous Parts: all Found: all over US, field edges and roadsides Horses can find texture palatable http://www.ansci.cornell.edu/plants/horselist.html http://www.ansci.cornell.edu/plants/conium.html

6 Poison Hemlock Signs of Poisoning: Bloating Cold extremities Dilated pupils Weak heart beat Trembling Paralysis Coma Respiratory paralysis results in death http://www.vet.purdue.edu/depts/addl/toxic/plant28.htm http://plants.usda.g ov/java/profile?sym bol=COMA2&photo ID=coma2_2v.jpg

7 Yellow Star Thistle Scientific Name: Centaurea solstitialis Description: grows up to 2 tall, bright yellow flowers with a spiny base, leaves covered in cottony hair Poisonous parts: all Found: NOT in MI, found in southern & western US, in fields, pastures, & roadsides Poisoning usually occurs in fall when horses may acquire a taste for the plant and seek it out http://www.ansci.cornell.edu/plants/horselist.html

8 Yellow Star Thistle Signs of Poisoning: Chewing Disease –Involuntary chewing –Lip twitching –Swelling around the mouth Facial muscle paralysis –Unable to chew or close mouth Death eventually occurs from starvation and dehydration http://plants.usda.gov/java/profile?symbol=CESO3 http://kaweahoaks.com/html/yellow_starthistle.html

9 Foxglove Scientific Name: Digitalis purpurea Description: purple, pink, red or white tubular flowers with dark spots, flowers open downward, leaves are alternate, hairy and slightly toothed Poisonous Parts: flowers, leaves, seeds Found: all over US, often in flower gardens http://www.ansci.cornell.edu/plants/horselist.html

10 Foxglove Signs of poisoning: Colic Bloody feces Poor appetite Pain Frequent urination Irregular heartbeat Possible convulsions prior to death One bite is fatal http://www.freefoto.com/preview.jsp?id =12-57-51&k=Foxglove+-+Digitalis

11 Poinsettia Description: upper leaves turn red, pink or white in late fall, Poisonous parts: leaves, stems and sap Found: all over US as a holiday ornamental plant, native to Mexico Scientific Name: Euphorbia pulcherrima http://www.ansci.cornell.edu/plants/horselist.html

12 Poinsetta Signs of poisoning: Skin –Redness and swelling –Blistering Gastrointestinal –Stomach pain –Diarrhea Poinsettas have low toxicity http://www.schaefergreenhous es.com/poinsettia.html

13 Oak Tree Poisonous Parts: acorns, young leaves Found: all over US Signs of poisoning: – Bloody diarrhea –Abdominal pain –Kidney & liver damage –Frequent urination –Thirst –Anorexia Signs of toxicity occur when large amount are ingested Symptoms may last 3-10 days Death occurs with 85% of horses showing signs http://www.ansci.cornell.edu/plants/horselist.html

14 Oleander Description: Woody evergreen bush, grows up to 30 tall Leaves –leathery & pointed leaves –grow opposite each other in groups of 3 –arranged in whorls Flowers –grow in clusters at the ends of branches –white, pink, purplish, red http://www.ansci.cornell.edu/plants/horselist.ht ml

15 Oleander Takes only 1 ounce of leaves to kill a horse http://vet.purdue.edu/depts/addl/toxic/color52.htm

16 Oleander Signs of Poisoning: Diarrhea Trembling Cold extremities Paralysis Coma Cardiac arrest followed by death Scientific Name: Nerium oleander Poisonous Parts: all (do NOT burnsmoke is also toxic) Found: NOT in MI, found in southern US & on the west coast http://en.wikipedia.org/wiki/Oleander

17 Rhododendron Description: Great Laurel is an evergreen tree that grows up to 35 tall, it has 4-10 oblong alternating leaves, mixed pink and white or various single colored flowers are arranged in clusters White-flowered rhododendron is a 3-6 shrub with smaller leaves and flowers than the Great Laurel Other Names: Great Laurel, White-flowered Rhododendron Poisonous parts: all http://www.monmouth.com/~asalerno/tony/ho use/rhodadendrons.html

18 Rhododendron Found: in wet wooded areas in eastern US, only white- flowered rhododendron is seen in mountainous areas of US http://www.pbase.com/copperhill/image/60478206 http://www.pbase.com/copperhill/gardens

19 Rhododendron Signs of poisoning: Kidney or liver damage Repeated swallowing Salivation Depression Bloating Colic signs Weakness Coma Death http://www.pbase.com/copperhill/gardens

20 Rhubarb Signs of Poisoning: –Weakness, –Difficulty breathing –Abdominal pain –Diarrhea –Convulsions –Coma –Death from cardiovascular collapse http://www.ansci.cornell.edu/plants/horselist.html Poisonous Parts: leaves

21 Horsetail Description: grows up to 3 tall, segmented hollow stem has many whorls of thin grass-like leaves, Poisonous parts: Found: worldwide Toxicity higher in green plants Scientific Name: Equisetum arvense http://www.ansci.corne ll.edu/plants/horselist. html http://www.traderscreek.com/Su rvival_Guide/Edible_Plants/hors etail.asp

22 Horsetail Signs of Poisoning: Trembling Muscular rigidity Diarrhea Rapid pulse Cold extremities Coma and death if feed source is not removed http://www.ansci.cornell.edu/plants/horselist.html **Horses must consume plant over a 2 week periodsometimes plant is in hay

23 Bracken Fern Description: dark stem, segments of leaves in triangular shape, leaves are firm & leathery Poisonous Parts: all Found: worldwide in most forested areas Horses rarely eat this plant unless no other food is available Scientific Name: Pteridium aquilinium http://www.ansci.cornell.edu/plants/horselist.html

24 Bracken Fern Signs of poisoning: Loss of coordination Depression Blindness Stand in braced position with legs apart Death may occur if horse not removed from source of plant Horses must eat plant for a month to see toxicity signs http://www.fcps.k12.va.us/StratfordLandin gES/Ecology/mpages/bracken_fern.htm

25 Pokeweed Description: grows up to 6-9 tall, red purplish woody stalk, 5-10 alternating leaves, shiny purple to black berries mature July-Sept Poisonous Parts: all Found: in eastern 2/3 of US Scientific Name: Phytolacca americana

26 Pokeweed Signs of Poisoning: Salivation Colic Muscular weakness Diarrhea (often bloody) Respiratory failure, anemia & gastritis are severe symptoms Moderate quantities of the plant must be consumed to show signs http://waynesword.palomar.edu/ecoph24.htm

27 Black Nightshade Scientific Name: Solanum spp. Description: maximum of 3 tall, pointed oval leaves that are purplish on underside, white to light purple star shaped flowers, bloom year round, small shiny black berries Poisonous Parts: leaves, immature fruit Found: all over US, common along fence rows

28 Black Nightshade Signs of poisoning: Signs of neurological & gastrointestinal disorders Tiredness Muscle twitching Bloating Congestion in the lungs, heart & spleen http://www.ansci.cornell.edu/plants/horselist.html

29 Choke Cherry Scientific Name: Prunus spp. Other Names: Wild Cherries, Black Cherry, Bitter Cherry, Choke Cherry, Pin Cherry Description: tree grows up to 30 tall, bark is reddish brown, simple alternating oblong leaves, bloom white or pink cones of flowers April to July, red to black cherries ripen July to Sept. http://www.ansci.cornell.edu/plants/horselist.html

30 Choke Cherry Poisonous Parts: seeds & leaves Found: all over US http://web.mit.edu/cfox/www/flowers/2003-05-31/2141_Med.jpg.2.html

31 Choke Cherry Signs of poisoning: Bright red mucus membranes Slobbering Increased respiration Weak pulse Convulsions Rapid Death http://www.borealfor est.org/shrubs/shru b31.htm

32 Red Maple Poisonous parts: wilted or dried leaves, bark Found: eastern half of US Signs of poisoning: –Severe anemia –Weakness –Depression –Pale mucus membranes –Dark brown urine –Abortion –Death due to RBC unable to transport oxygen to tissues http://www.fcps.k12.va.us/StratfordLandi ngES/Ecology/mpages/red_maple.htm

33 Milk Weed Description: grows to 3 tall, thick green stem and leaves, oblong leaves, teardrop shaped seed pods filled with silky white hairs, small light pink flowers in clusters Poisonous Parts: all Found: all over US, in fields

34 Milkweed Signs of poisoning: Bloating Staggering Rapid pulse Gastroenteritis Depression Weakness High Temp Seizures Labored Breathing may occur before death

35 Ornamental Yew Description: evergreen shrub, short spiny needles, reddish brown bark, bright red berries in fall Poisonous Parts: leaves, seeds, twigs Found: all over US, often used as ornamental shrub Scientific Name: Taxus cuspidata Other Names: Ground Hemlock http://www.ansci.cornell.edu/plants/horselist.html

36 Ornamental Yew Signs of poisoning: Nervousness Confusion Diarrhea Heart will slow and circulation fails Death is the usual outcome One bite is deadly Horse might collapse right next to plant after eating it http://en.wikipedia.org/wi ki/Taxus_baccata http://ontariotrees.com/main/species.php?id=2093

37 Black Walnut Tree Description: compound leaves arranged opposite of each other, tennis ball size green fruits, dark grayish black bark Poisonous parts: bark Found: eastern & Midwestern US Horses are affected when shavings from the tree are used as bedding Allergic reaction to standing or laying in bedding –Swelling of the legs –Laminitis

38 Black Walnut Tree

39 Ragworts OR Groundsel Poisonous Parts: leaves Found: NOT in MI, found in dry areas of US http://www.ansci.cornell.edu/plants/horselist.html

40 Vetch Common Name: Common Vetch, Hairy Vetch, Narrow leaved Vetch, Purple Vetch and Broad Beans Poisonous Parts: seeds


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