7.How many weeks of age does laying hens require a 16 to 18 percent protein level and extra calcium and minerals for strong eggshells?
A.around 18 weeks
B.around 20 weeks
C.around 21 weeks
D.around 22 weeks

8.Why most starter feeds contain medication?
A.to prevent coccidia infections
B.to have a healthy meat
C.to allow them grow faster
D.to prevent diseases

9.How weeks of life does broiler chicks require broiler starter feed?
A.two weeks
B.four weeks
C.five weeks
D.six weeks

10.Why do veterinarians recommend removing the food at night?
A.to prevent ascites
B.to avoid over feeding
C.to control their growth
D.all of the above​