Question 1 Report
(a) Complete the following table under the following
| Name of Disease | Causal Organism Farm Animals Symptoms Control | Farm Animals Affected | Symptoms | Control |
| Brucellosis | ||||
| Aspergillosis |
(b) Discuss five advantages of the battery cage system in poultry production.
(c) State five reasons why some agricultural extension programmes are not successful in West Africa.
(a) Completed disease table:
| Disease | Causal organism | Farm animals affected | Symptoms | Control |
|---|---|---|---|---|
| Brucellosis | Brucella abortus (a bacterium) | Cattle, sheep, goats and pigs | Abortion (premature birth), retained placenta, infertility, swollen testes in males, reduced milk yield | Vaccination (e.g. strain S19), test-and-slaughter of reactors, isolation of infected stock, hygienic disposal of aborted materials |
| Aspergillosis | Aspergillus fumigatus (a fungus) | Poultry (also cattle) | Gasping and difficult breathing, loss of appetite, nodules in the lungs and air sacs, poor growth | Use clean dry litter, avoid mouldy feed and bedding, provide good ventilation, disinfect the houses |
(b) Five advantages of the battery cage system in poultry production:
(c) Five reasons why some extension programmes are not successful in West Africa:
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