Small Ruminant Flashcards
Where is Actinobacilllosis common in sheep?
Submaxillary regions
What is the cause of Polioencephalomalacia?
Thiamine deficiency
Risk factors for Polioencephalomalacia?
High sulfate intake
Amprolium
Thiaminases caused by bacterial overgrowth
What drugs cause Polioencephalomalacia?
Amprolium
Acepromazine
Levamisole
Thiabendazole
What are the clinical signs of Polioencephalomalacia?
Head tremors Head pressing Star gazing blindness Recumbence convulsions Rumen inactivity Death
Treatment for Polioencephalomalacia?
Thiamine Hydrochloride
Dietary change
Transfaunation?
What is the common name of Coccidiosis in sheep?
Mucky butt
What are the risk factors for Coccidiosis in sheep?
Weaning Overcrowding Wet environment Feet and feces in feeders Poor nutrition
What are the clinical findings of Coccidiosis in sheep?
Diarrhea ill thrift Blood in feces Anorexia weight loss emaciation Recumbence Death
Treatment options for Coccidiosis in sheep?
Sulfonamides - 5 day course
Amprolium - 5 day course
Ionophores - 5 day course
What are the clinical signs of Haemonchus in sheep?
Anemia
Hypoproteinemia = Bottle Jaw
Diarrhea
Diagnostic test for Haemonchus in sheep and goats?
FAMACHA
Clinical signs of Lungworms (Dictyocaulus filarial or Mullerius capillaris) in sheep and goats?
Coughing
What is the intermediate host for Lungworms (Dictyocaulus filarial or Mullerius capillaris) in sheep and goats?
Snails
What is the transmission of Meningeal worm (Paralaphestrongylus tenuis)?
White tailed deer to small ruminants by ingestion of snails or slugs
What are the clinical signs of the Meningeal worm (Paralaphestrongylus tenuis) in sheep and goats?
Sudden onset of recumbency
BAR
Treatment of Meningeal worm (Paralaphestrongylus tenuis) in sheep and goats?
High levels of fenbendazole and corticosteroids for spinal inflammation
How do you prevent Meningeal worm (Paralaphestrongylus tenuis) in sheep and goats?
Ivermectin monthly
What are the clinical signs of Nasal Bot (Oestrus ovis) in sheep?
Mucopurulent nasal discharge
Sneezing
sniffling
What is the transmission of Monezia in sheep and goats?
Dogs
How do you prevent Clostridial disease in sheep and goats?
Vaccination
What is the primary cause of Copper deficiency in sheep and goats?
Diet contains inadequate copper due to geographic location
What is the secondary cause of Copper deficiency in sheep and goats?
Copper unavailable
High Molybdenum
High sulfate in combo with High Molybdenum
What does Copper deficiency in sheep and goats cause?
Swayback in sheep
Salt sickness in cattle and sheep
What are the risk factors for Copper deficiency in sheep and goats?
Coastal sandy area
Copper content lower in spring and summer
Young animals are more susceptible
What are the clinical signs of Copper deficiency in sheep and goats?
Limp Straight "steely" wool Wool loses crimp Anemia Diarrhea Prolonged weight loss Pigmentation defects in the hair coat conjunctivitis incoordination in young goats Weak lambs
What is the treatment for Copper deficiency in sheep and goats?
Oral copper supplementation
What is the primary cause of Copper toxicosis in sheep and goats?
excess copper intake in food or water from copper pipes
What is the secondary cause of Copper toxicosis in sheep and goats?
High retention of copper
Plant intake with or without liver damage
What are the risk factors for copper toxicosis in sheep and goats?
Feeding sheep horse feed
Accidental overdose or contamination of feedstuffs
Clinical signs of Copper toxicity in sheep and goats?
Diarrhea Hemoglobinuria Jaundice Anemia Grinding of teeth
What is the treatment for Copper toxicity in sheep and goats?
Symptomatic
What are the clinical signs of Cobalt deficiency in sheep and goats?
Poor growth and productivity Lacrimation Anemia Wool matted to face
What is the cause of Cobalt deficiency in sheep and goats?
Deficiency of Vitamin B12
Heavy GI parasite load
What is the treatment of Cobalt deficiency in sheep and goats?
Oral dosing of cobalt sulfate
Added to mineral supplement
Vitamin B12 injection
What is the cause of Cobalt toxicosis in sheep and goats?
Accidental overdosing
What is the primary cause of Iodine deficiency in sheep and goats?
Deficient intake in feed and water
What is the Secondary cause of Iodine deficiency in sheep and goats?
High calcium diet or goiterogenic plants
What are the clinical signs of Iodine deficiency in sheep and goats?
Thyroid enlargement “Goiter”
Alopecia
What is the treatment of Iodine deficiency in sheep and goats?
Add iodized salt
What are the clinical signs of Iodine toxicosis in sheep and goats?
Anorexia
Dandruff
Hair loss
Lacrimation
What is the iodine state?
South Carolina
What are the sources of Lead toxicosis in sheep and goats?
Lead paint
batteries
oil
What are the clinical signs of Lead toxicosis in sheep and goats?
Cattle: Stiff gait, lameness, Paralysis, recumbency, Headache, possible blindness, Unthriftiness
Goats: Anorexia, Fetid diarrhea, tenesmus
What are the clinical signs of Salt deficiency in sheep and goats?
Anorexia Rough hair coat Pica Salt craving Urine drinking Excessive licking of human skin
What is the clinical pathology associated with Salt deficiency in sheep and goats?
Low USG
Low Serum Na+ and Cl- concentrations
What is the treatment of Salt deficiency in sheep and goats?
Provide access to salt slowly
Provide salt on an incremental basis
What is the cause of Salt toxicosis in sheep and goats?
When animals deficient in salt gain access to salt
What are the clinical signs of Salt toxicosis in sheep and goats?
Neurologic signs due to brain swelling
What is the treatment of Salt toxicosis in sheep and goats?
Symptomatic
What is the cause of selenium deficiency in sheep and goats?
Selenium deficient soil or inhibited intake by plants
What are the clinical signs of selenium deficiency in sheep and goats?
Acute or subacute enzootic muscular dystrophy
White muscle disease
Stiff gait
Recumbency
Stiffness of the hind legs
Heart failure in pigs due to mulberry heart disease
What is the treatment of selenium deficiency in sheep and goats?
Injectable vitamin E and selenium
Oral supplementation
What causes selenium toxicosis in sheep and goats?
Acute - overdosing
Chronic - ingestion of plants
What are the clinical signs of selenium toxicosis in sheep and goats?
Dullness Stiff gait lameness Emaciation Rough hair coat hair loss hoof abnormalities
What happens to the lambs born from a Dam that is infected with Enzootic Abortion in ewes during the 60-90 days before parturition?
Weak Poor doing lambs
What happens to the lambs born from a Dam that is infected with Enzootic Abortion in ewes during the 10-30 days before parturition?
Normal lambs born but ewe labs carry the disease and abort their first lamb
What are the clinical signs of Vibriosis/Campylobacter in sheep?
Late gestation abortions and weak lambs that die
What are the signs of infection with B. ovis?
Stillborn lambs
Weak lambs that die
EED
Bluetongue
Infectious, noncontagious orbivirus transmitted by Culicoides gnat
Ewe infected during or shortly after breeding may have dummy lambs related to cerebellar hypoplasia
Border disease virus
Hairy shaker lambs
No abortions or stillbirths
Lambs may be born normal and excrete virus for life
Toxoplasmosis
common in eastern US
Causes abortions and stillbirths
Q fever
Carried by most sheep
Cause weak lambs
More problem in goats
What are the clinical signs of Navel Ill in lambs less than 5 days?
Septicemia
Rapid death
What is common in lambs in the first 5 days of life?
Navel Ill - E. coli and Pasteurella Pasteurella pneumonia Enterotoxigenic E. coli Clostridium Type A Clostridium Type C
What are the common disease in lambs from 5 days to 3 weeks?
Cryptosporidia C. perfringens Type C Pneumonia Salmonella Erysipelas
What are the clinical signs of C. perfringens Type C in lambs 5 days to 3 weeks old?
sudden death
bloody diarrhea
What are the clinical signs of Pneumonia in lambs 5 days to 3 weeks old?
Die
poor doers
What are the clinical signs of Erysipelas in lambs 5 days to 3 weeks old?
Swollen joints
Navel ill
What are the clinical signs of Cryptosporidia in lambs 5 days to 3 weeks old?
Scours 7-10 days
What are the clinical signs of Coccidiosis in lambs 3 weeks old to weaning?
Sudden death 21-30 days
Mucky bottoms
What are the clinical signs of C. perfringens Type C in lambs 3 weeks old to weaning?
Sudden death
Bloody diarrhea
What are the clinical signs of C. perfringens Type D in lambs 3 weeks old to weaning?
Sudden death
Related to grain overload
What causes Caseous Lymphadenitis?
Corynebacterium pseudotuberculosis
Transmission of Caseous Lymphadenitis?
Animal to animal contact with pus from abscesses of contaminated fomites
Clinical signs of External Caseous Lymphadenitis?
Superficial, SQ, Abscesses of the LNs
Abscesses are filled with pasty, thick, inspisated yellow-green pus
Clinical signs of Internal Caseous Lymphadenitis?
Found necropsy Chronic wasting respiratory distress cough neuro deficits "Thin ewe syndrome"
What causes “Thin Ewe syndrome”?
Corynebacterium pseudotuberculosis
What form of Caseous Lymphadenitis is common in goats?
External
What form of Caseous Lymphadenitis is common in sheep?
Internal
How do you diagnose What form of Caseous Lymphadenitis?
Bacterial culture
Serology - ELISA
How do you control or manage What form of Caseous Lymphadenitis?
Maintain a closed flock or herd Isolate animals with abscess before rupture Test all abscess Cull! Vaccinate
How do you control or manage What form of Caseous Lymphadenitis?
Maintain a closed flock or herd Isolate animals with abscess before rupture Test all abscess Cull! Vaccinate
How is Caprine Arthritis transmitted?
Infected colostrum
Poor milking hygiene
What are the four clinical syndrome of Caprine Arthritis?
Arthritis
Leukoencephalomyelitis
Interstitial pneumonia
Mastitis
Clinical signs of Caprine Arthritis?
Swelling of one or both carpal joints Encephalitis Paralysis Seizures Death
How do you diagnose Caprine Arthritis?
AGID
PCR
Post Mortem
How do you control Caprine Arthritis?
Pasteurized colostrum and milk
Testing and culling
What are the clinical signs of Contagious ecthyma?
Papules progress to vesicles, pustules, and scabs
Crusty proliferative lesions form on the lips, face, ears, coronary band, scrotum, teats, or vulva
What causes Contagious Ecthyma?
Parapoxvirus
What causes Johne’s Disease in small ruminants?
Mycobacterium avium subsp. paratuberculosis
What causes Malignant edema in sheep?
Clostridium
How do you prevent malignant edema in rams?
Vaccination for Clostridium
Why do rams get Malignant edema?
Fighting and causing wounds on their head
What are the clinical signs of Malignant edema?
Swollen head, neck, and eyelids
What are the clinical signs of Bluetongue in sheep?
Generalize vasculitis Transient fever edema of the face, muzzle, and ears Petechiae and ulcers on dental pad Cyanosis of tongue Lameness Diarrhea
What is the cause of Clostridium perfringens Type D in sheep?
High concentrate
Feed changes
What are clinical signs of Clostridium perfringens Type D in sheep?
Severe depression Abdominal pain profuse bloody diarrhea neurologic signs Sudden death Full rumen Hyperemic intestine Glucosuria Hydropericardium Pulpy kidney
How do you prevent Clostridium perfringens Type D in sheep?
Vaccinate
Gradual diet changes
Oxytet in feed
Hw do you treat Clostridium perfringens Type D in sheep?
Supportive
What sinuses are are affected bu Sinusitis in sheep and goats?
Frontal and maxillary sinuses
What causes Pharyngitis in sheep and goats?
Trauma caused by dosing equipment or foreign objects
What is the most common cause of Pneumonia in sheep and goats?
Mannheimia hemolytica
What is the treatment for pneumonia in sheep and goats?
Long acting Oxytet
Pen G
Florfenicol
What are the clinical signs of Parainfluenza type 3 in sheep and goats?
Coughing
Serous nasal discharge
Ocular discharge
What are the clinical signs of Respiratory Syncytial Virus?
anorexia
pyrexia
conjunctivitis
cough
What are the clinical signs of Mycoplasma pneumonia in sheep?
Chronic coughing and dyspnea
What is seen in intensively reared lambs that are raised in poorly ventilated areas and mixed group feedlots?
Mycoplasma pneumonia in sheep
What clinical disease is common in sheep between 2-4 years?
Ovine Progressive Pneumonia
What are the clinical signs of Ovine Progressive Pneumonia?
Dyspnea Respiratory distress Chronic wasting associated with thin ewe syndrome Arthritis ill thrift Decreased milk production enlarged firm no milk
How is Ovine Progressive Pneumonia transmitted?
Aerosol
Infected milk/colostrum
How do you diagnose Ovine Progressive Pneumonia?
AGID
ELISA
PCR
What toxic plants cause heart failure and sudden death in goats?
Oleander
Foxglove
Lily of the Valley
Yew
What causes Heartwater in sheep and goats?
Ehrlichia ruminatium
How is Ehrlichia ruminatium transmitted?
Amblyoma ticks
What are the clinical signs of Ehrlichia ruminatium?
Muffled heart sounds
Peracute: hgh fever, sudden collapse, convulsions
Acute: Depression, Anorexia, fever , rapid labored breathing, rumen shutdown, Nervous signs and convulsions
Subacute: Fever, coughing, Watery eyes, dyspnea, mild nervous signs
How do you treat Ehrlichia ruminatium?
Tetracycline
What are the clinical signs of heart failure in small ruminants?
Jugular pulse distension Moist cough Tachycardia submandibular edema Ascites Exercise intolerance chronic weight loss
What are the clinical signs of Ionophore toxicity in small ruminants?
Lethargy stiffness muscle weakness stilted gait Mild to moderate dyspnea recumbency Sudden death
What causes Ulcerative posthitis in small ruminants ?
C. renale
Bceria hydrolyze urea into ammonia which is cytotoxic
What is the signalment for animals that get Ulcerative posthitis?
wethers on high protein diets
What are the clinical signs of Clostridium tetani?
Sawhorse stance
3rd eyelid protrusion
Hyperesthetic
How do you treat Clostridium tetani in small ruminants?
Abx
Tetanus Antitoxin
How do you prevent Clostridium tetani in small ruminants?
Vaccinate
What is the cause of Mastitis in small ruminants?
Staphylococcus aureus
Pasteurella
Streptococcus
What causes bloat in small ruminants?
Lush legume pastures
What are the clinical signs of bloat in small ruminants?
Abdominal distension
distress
death
How do you treat bloat in small ruminants?
Poloxalene
Mineral oil
tube
rumen trocarization
What is the cause of Rumen Acidosis in small ruminants?
Engorgement of grains
Rapid change of high concentrate diets
What are the clinical signs of Rumen Acidosis?
Diarrhea Depression Weakness Ataxia rumen distension
How do you prevent Rumen Acidosis?
Avoid rapid diet changes
How do you treat Rumen Acidosis?
Alkalinizing IV fluids mineral oil Gastric lavage thiamine Abx
What is the cause of Club Lamb Fungus?
Trichophyton spp.
What are the clinical signs of Club Lamb Fungus?
Circular scaly lesions
Alopecia
2 - 4 weeks after exposure
How does a sheep get club lamb fungus?
Slick shearing
Repetitive washing
How do you treat Club Lamb Fungus?
Self limiting
Lime sulfur dip
What are the risk factors for Rectal prolapse?
Over conditioned diarrhea parasitism coughing Short tail docking
When do you vaccinate for CD&T?
1-2 months of age
6 months
1 month before parturition
What plants cause vomiting in small rumiantns?
Rhododenrons
Laurels
Azaleas
What is the toxin principle for Rhododendrons, Laurels, and Azaleas?
Grayanotoxin
How do you treat toxicosis from Rhododendrons, Laurels, and Azaleas in small ruminants?
Drench with charcoal
Salt
ginger powder
What are the clinical signs of Scrapie in sheep?
Nervousness Aggression intense rubbing locomotor incoordination Tremors head pressing wool pulling
What causes infectious foot rot in small ruminants?
Dichelobacter nodusus
Fusobacterium necrophorum
Arcanobacterium pyogenes
How do you control infectious foot rot?
Trimming
Foot baths
topical treatment
What breed of sheep is susceptible to infectious foot rot?
Merino
What is the cause of Laminitis in sheep and goats?
Consumption of highly concentrated or lush forage diet
What are the clinical signs of Mycoplasma arthritis?
Septicemia fever Anorexia depression weakness rough hair coat Hot swollen painful joitns
What joints commonly are affected with Mycoplasma arthritis in small ruminants?
Carpus
Tarsus
Stifle joints
What are the clinical signs of Bacterial Polyarthitis in small ruminants?
Hot, swollen, painful joints
Fever
What joints are commonly affected by Bacterial Polyarthritis in small ruminants?
Carpus
Stifles
Hocks
How do you treat Bacterial Polyarthritis?
systemic Abx
Anti-inflammatories
What is the cause of Bacterial Polyarthritis?
Arcanobacterium pyogenes
E. coli
Streptococcus spp
Staphylococcus spp
What causes Blackleg and malignant edema in small ruminants?
C. chauvoei
C. septicum
C. sordelli
C. novyi
How is Clostridial myositis and myonecrosis transmitted in small ruminants?
Ingestion of spores
Spores entering wounds
What are the clinical signs of Clostridial myositis and myonecrosis in small ruminants?
Black leg: Dead or recumbent
Malignant edema: Heat, swelling, pain at site
Skin is discolored and cold
Weak and shocky animals
Treatment of Clostridial myositis and myonecrosis in small ruminants?
Penicillin
What is the reversal of Xylazine that is used in ruminants?
Tolazoline