A power analysis is often used to determine sample size. The use of too many animals (or other experimental units) wastes animals, money, time and effort, and it is unethical. But if too few animals are used the experiment may lack power and miss a scientifically important response to the treatment.
Connecticut â if shift is 7.5 hours, 1/2 hour lunch after first 2 hours but before last 2 hours. Delaware â if shift is 7.5 hours, 1/2 hour lunch after first 2 hours but before last 2 hours. Illinois â required for hotel room attendants only. Kentucky â reasonable meal period between 3rd and 5th hour of shift.
For every 4 hours you work you should get a 15 minute break. You have to work 6 hours for a 30 minute break and I think its 8 hours for an hour break. In a day of 8 hours duty, the lunch break will be after 4 hours and a tea has to be served or will be taken within the campus in 2 hours before that.