ov/cap
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- Name the tapeworms of sheep
- Moneizia expansa
- Fasciola hepatica seen during what time of year
- autumn
- Fasciola hepatica-does it have an intermed host?
- yes-snail
- What nematodes are seen in goat and sheep
-
HOT
Haemonchus, ostertagia, trichostrongylus axei - what nematode causes anemia and death
- Haemonchus
- What do you use to control nemaatodes in sheep/goat
- Benzamidazole, levamisole/morantel, ivermec/moxidec
- Benzamidazoles work by affecting
- Tubulin polymerization
- Only drug that will kill nematode eggs
- Benzamidazoles
- What nematode antiparasitic acts on Ach receptors
- Levamisole and morantel
- You will have a increased parasite egg count when what
- before and after parturition
- How many times should you rotate pasture?
- annually only
- Sheep should never be allowed to graze where
- where goats were
- How long do you wait to deworm after a rain?
- 7-14 days
- How many eggs per gram will you see before you need to deworm
-
>500/gram in spring
>1000/gram in fall - Lay eggs in response to fleece rot
- Blowfly( Lucilia sericata)
- May look like scrapie
- oestrus ovis(nasal bot)
- Broken head lesions
- head fly
- Sheep scab
- psoroptes ovis
- Psoroptes ovis can cause
- epileptic seizures from excretory products of mite
- A sheep that is wool biting and has fleece staining
- Lice (Bovicola, Damalina, Linognathus)
- Sheep ked
- Melophagus ovivnus
- What parasite can be seen in the bile duct of sheep
-
Dicrocoelium dendriticum (lancet fluke)
Fasciola Hepatica-liver fluke - How do sheep get Lancet Fluke
- Ant eats slime from snail, sheep eats ant on blade of grass
- What can cause a pipestem liver
- Fasciola hepatics
- How is liver fluke transmitted
- Water snail-deep bedded vegetation
- What tapeworms can be seen in sheep/lamb
-
Moneizia-lamb
Cysticercus(taenia ovis) ovis-sheep/goat - What is the measly mutton
- taenia ovis encysted in muscle
- Gid is also called
- Coenerus cerebralis, sturdy bladder worm
- What happens in gid
-
Cyst in brain
Sheep circles to one s ide
Blind in one eye
Jerky gait - Brain and spinal tissue with yellow-gray streaks
- gid
- What is strike or fleece rot in sheep.
- Facultative myiasis-house fly, blow fly, or flesh fly lay eggs in open wounds
- What is false gid.
- Oestrus ovis
- How can you tell a sheep has false gid.
- Nose to ground to prevent adults from laying larvae.
- What mite of horses,cows,goats have long legs with jointed pedicles (stalks)
- Scabies mite
- Is a scabies mite a tunneling mite?
- n0, non burrowing, live on surface
- Which mite lives on the surface of the skin?
- Scabies
- Is a scabies mite reportable to the USDA?
- yes
- Is scabies or demodexx pruritic?
- scabies
- What is a unique cause of dystocia in sheep
- ring womb
- what is ring womb in sheep caused by
- clover toxicity
- Malpresentation/position in sheep not common except in
- fat ewes
- Dystocia most common in what sheep breeds
- Merinos, Rambuleaux
- What do you induce parturition with in ewes and why
- dexamethasone-not CL dependent
- What do you induce parturition in goats with
- PGF2 alpha-b/c doe unlike ewe is CL dependent
- Common pathogens causing pneumonia in in sheep
- pasteurellosis, past hemoolytica, mycoplasma ovipneumonia
- Common causes of parasitic pneumonia
- husk, dictyocaulus filaria, muellerius cappilarus
- Mechanical causes of pneumonia
- misuse with drenching gun
- What is Jaagsiekte
- pulmonary adenomatosis- neoplasm or growth which is contagious and transmissable in sheep in iceland
- Chronic progressive pneumonia aka
- Maedi or Maedi visna
- What is Visna
- disease of the nervous system
- What is the etiology of Chronic progressive pneumonia
- non oncogenic retrovirus
- Clinical signs of Chronic progressive pneumonia
- chronic pneumonia, arthritis, mastitis, ill thrift
- Name the coccidia found in sheep and goats
-
Eimeria caproniva-both
eimeria-goat
eimeria ovioidalis, crandallis- sheep - treatment of coccidia
- sulphonamides, amprolium, monensin, salinomycin,decoquinate
- Contagious pustular dermatitis aka
- orf, contagious ecthyma, scabby mouth
- Is orf contagious to humans
- yes
- where are lesions seen with orf
- mouth, nostrils, eyes, udder
- what is etiology of orf
- pox
- what is treatment for orf
- non specific
- What is the most important part of rise in parasitic eggs
- periparturient egg rise
- Treatment of nematode gastoenteritis
-
Ivermectin in sheep
Goats- sensitive to anethehelmentics be careful - In pregnancy toxemia there is a negative energy balance due to
- Hypoglycemia, ketonemia, causing accumulation of acetoacetate, beta hydroxylation and acetones in blood
- Cause of pregnancy toxemia in in ewes
- twins or triplets
- CS of sheep with pregnancy toxemia
- encephalopathy, blindness, muscle tremor, metabolic acidosis
- What will you see in the aqueous humor of sheep with pregnancy toxemia
- elevated BHBA
- Contagious foot rot etiology
- Dichelobacter nodosus
- Source of contraction of foot rot
- Discharge from other sheep
- Breed most susc to foot rot(sheep)
- Merino
- What disease has the characteristic underrunning of the soft horn with progression to hard horn(sheep)
- foot rot
- What test do you use for foot rot
- protease test
- Enterotoxemia of suckling lambs caused by
- clostridium spp (type C)
- Yellow lamb disease etiology
- Clostr Type A
- CS of Yellow lamb disease
- hemolytic disease, jaunduce, severe abdominal pain
- Lamb dysentery etiology
- Clost type B and in young lambs type C(C in north america)
- Overeating disease aka
- pulpy kidney
- Acute toxicity from overeating disease caused by
- epsilon toxin
- What does epsilon toxin cause
- vascular and nervous tissue damage
- Are e.coli strains pathogenic in lambs and goats
- not usually
- White muscle disease aka
- subacute enzootic muscular dystrophy, stiff lamb disease
- White muscle disease caused by
- Se or Vit E def
- What is flying scapula and what disease is it seen with
- Upper borders of scapula protrude above vertebral column and seperated from t horax-WMD
- What are the 2 manifestations of pasteurella hemolytica
-
Pneumonic- all ages
Septicemic- young
Mastitis - What disease is often carried on the tonsils of healthy sheep/goat
- pasteurella