(a) Name three farm animal hosts of specimen O (TICK)
(b) State four damages done by each of specimens N (LIVER FLUKE) and O on their farm animal hosts.
(c) Enumerate four ways of controlling specimen O
Explanation
(a) Farm Animal hosts of Specimen O (Tick)
- Cattle
- Sheep
- Goat
- Donkey
- Horse
- Dog
- Pig
- Camel
b) Damages done by Specimen N (Liver fluke) and O (Tick)
Specimen N(Liver fluke);
- Anaemia / Loss or sucking of blood
- Blocking of bile duct
- Loss of weight / emaciation
- May cause internal bleeding / internal haemorrhage
- Burrow into the liver / damage the liver
- Weakness of animal
- Loss of appetite
- May lead to death
- It causes digestive problem to host
Specimen O (Tick);
- Disease transmission
- Loss of blood/ anaemia
- Body irritation / restlessness / tick worry
- Reduced quality of skin / hide
- Emaciation/loss of weight
- Wound created may lead to secondary infection
(c) Ways of controlling Specimen O (Tick)
- Quarantine
- Rotational grazing / paddocking
- Use of acaricide
- Hand picking on a small scale
- Dipping
- Burn infested pasture/ grazing land
- Spraying
- Drenching
- Proper sanitation/ changing animal bedding regularly
- Destruction of wild animals around the farm that can serve as alternate hosts