Goats Flashcards
Why are commercial dairy goats housed all year round?
Goats don’t produce age-related resistance to parasitic roundworms eg PGE (unlike sheep and cattle)
Which are the 2 primary species of Clostridial disease that affect goats?
Struck (C. perfringens type C) Lamb dysentry (C. perfringens type B)
What are the clinical signs of clostridial disease?
Per-acute: rapid death
Sub-acute: profuse scour +/- dysentry (often with blood and mucous)
Give 3 trigger factors for Clostridial disease
Acidosis (over-feeding cereals or compounds)
Sudden change in diet
Stress
How do you treat clostridial disease?
IV/oral fluids NSAIDs Analgesics Charcoal/bismuth ie symptomatic treatment
How do you prevent clostridial disease?
Lambivac (4 in 1 vaccine)
Give 2 differential diagnoses for diarrhoea in goats
PGE
Enterotoxaemia (C. perfringens)
Give some clinical signs of listeriosis
Abortion
Encephalitis
Septicaemia and sudden death
How do you treat listeriosis?
Antibiotics (potentiated sulphonamides)
NSAIDs
Fluids
Nursing
What is the source of infection of listeriosis?
Water
What kind of virus is Caprine Arthritis Encephalitis (CAE)?
Lentivirus
Give some clinical signs of caprine arthritis encephalitis (CAE)
Swollen joints (carpal joint) Indurative mastitis (affected quarter is fibrosed, shrinks back) Non-specific weight loss
How do you control CAE (caprine arthritis encephalitis)?
Test and cull (no vaccine or treatment)
Give the clinical signs of Johne’s disease
Poor milk yield
Wasting
Anaemia
(Faeces is unchanged)
Pathology: thickening of ileal walls, large mesenteric lymph nodes
How do you diagnose Johne’s disease?
Ziehl-Neelsen staining of faeces
How do you control Johne’s disease?
Gudair vaccine
What causes caseous lymphadenitis?
Corynebacterium pseudotuberculosis
What is the average milk yield of a goat?
800l/lactation
What kind of milk secretion occurs in the goat?
Apocrine
What are the only licensed products for goats?
Lethobarb 20% Pentobarbitol Oxytocin Coxevac and Gudair Sterilised water
Where is fat normally deposited in a goat?
Intra-abdominally
If a group of goats is wasting away, what causes would you consider?
Bullying/dominance
Nutrition (quality, quantity, clean and fresh, sufficient trough space)
If a single goat is wasting away, what causes would you consider?
Oral (teeth, gums, tongue) Locomotor disease Johne's disease Chronic infections Endoparasites Ectoparasites Tumours Scrapie
How can you check calcium levels in a goat around parturition?
Blood sample
Hypomagnesaemia is rare in goats but why may it occur?
If fed nothing but grass
Give a common cause of respiratory disease in goats
Mannheimia haemolytica (pasteurellosis)
Give the 3 primary neoplasias of goats
Intrathoracic thymomas
Mammary neoplasia
Reproductive tract neoplasia
How can a mammary neoplasia lead to a pendulous udder?
Affects suspensory apparatus
How would you identify a goat with chronic laminitis?
Characteristic ‘goose-step’ walk
Spend a lot of time on their knees
Hoof is hard and box-shaped
Where is psoroptic mange seen in goats?
Ears
Where is chorioptic mange seen in goats?
Lower limbs
When is the peak activity of Haemonchus contortus?
Aug-Sept
Give some infectious causes of diarrhoea in young kids
E.coli
Salmonella
Rotavirus
Cryptosporidia
Give some non-infectious causes of diarrhoea in young kids
Poor feeding protocol:
- Milk substitute too dilute
- Dirty utensils
- Haphazard feeding pattern
What % of goat coccidia are pathogenic?
50%
How long is the gestation of a goat?
150 days
What kind of breeders are goats?
Seasonally polyoestrus
Sept-Feb
What are the clinical signs of hydrometra or false pregnancy?
When is it more prevalent?
Abdominal enlargement
Udder development
More prevalent following synchronisation
Associated with persistent CL
When are kids disbudded?
How many nerves are blocked?
Between 2 and 7 days old
4 nerves blocked