Question

What is meant by the following terms as used in livestock health?

• Incubation period
• Mortality rate

Answer 1

1. Incubation period 
   • The duration between a disease causing organism infests /enters an animal and the  time the first disease symptoms show  
      
2. Mortality rate 
   • The likelihood of death occurring in case of disease outbreak which is expressed as a percentage of the affected animals that dies