Sheep 3 Flashcards
Infertility in sheep caused by…
Nutrition/diet
Immaturity
Season
Disease eg fluke
Genetics
What problems might you see Mid pregnancy (in winter) in sheep
Abortion
Listeriosis- associated with poor quality silage
Fluke
Scab/lice
Inappropriate nutrition
Abortion- what do u send for investigation of abortion to the lab
The placenta
What can you do to stop abortion
Sourcing (biosecurity)
Vaccination
Management is aimed at future impact (Biocontainment)
Advice to farmer of bartered sheep-Cull, change vaccination/ purchasing advice?
What might you see with ewe at lambing that is gonna abort?
Pregnancy toxaemia (and other metabolic)
Prolapse
‘Couping’ (stuck on her back as pregnancy is too heavy)
Dystocia
Mastitis
Periparturiant egg rise
Upside down sheep=
BAD NEWS
Pregnancy toxaemia
What is it
What can u do to prevent it
Disease of cotosis; animal is starving
Prevent by having correct nutrition; Treatment frequently tried, rarely successful: Correct energy imbalance –induce lambs (if appropriate), get energy into the ewe,
Prolapse
Hypothermia in sheep is driven by
Lack of colostrum
What is ORF
Infection common in sheep which causes sores and scabs on mouth
All sheep get these 3 diseases:
How are they controlled?
• Fly strike
• Clostridia
• Lameness
Vaccination
Name 4 sheep Skin diseases
Scab (Notifiable in Scotland)-colder months
Lice- colder months
Blowfly (maggots eat the lamb alive) -warmer months coupled with some fleece on sheep.
Photosensitisation (bog asphodel??-’plochteach’)
