Sheep 2 Flashcards
(17 cards)
What are the major health concerns in sheep production?
Internal parasites, external parasites, infectious diseases, and foot disease.
What are examples of internal parasites in sheep?
Barber’s pole worm, black scour worm, small brown stomach worm, thin-necked intestinal worm.
What are symptoms of internal parasites in sheep?
Anaemia, bottle jaw, and scours.
How are internal parasites treated and prevented?
Anthelmintic drench; monitoring worm burden and rotational grazing.
What are examples of external parasites in sheep?
Sheep lice and blowflies.
What is flystrike and how is it managed?
A condition caused by blowflies; managed via shearing, insecticides, antibiotics, and anti-inflammatories.
What is mulesing and why is it performed?
Removal of wool-bearing skin to prevent flystrike.
What are common infectious diseases in sheep?
Johne’s disease, clostridial diseases, ovine brucellosis, foot and mouth disease.
How are infectious diseases prevented?
Vaccination and biosecurity measures.
What is footrot and how is it treated?
A bacterial infection causing lameness; treated with footbathing and antibiotics.
What are routine health-related husbandry practices in sheep?
Jetting, dipping, backlining, drenching, vaccination, and foot care.
What is lamb marking?
A group of husbandry procedures including vaccination, ear tagging, castration, tail docking, and sometimes mulesing.
At what age is lamb marking ideally done?
Between 2–8 weeks of age, preferably before 12 weeks.
What is weaning and when is it done?
Separation of lambs from ewes, typically at ~12 weeks.
What is crutching?
Shearing around the breech area to reduce the risk of flystrike.
What is the National Livestock Identification System (NLIS)?
A mandatory electronic ID system for sheep, required for all by 2027.
Why is tail docking performed?
To reduce the risk of flystrike due to fecal and urine contamination.
