All of the following are considered drawbacks of today's Holstein's except:
a. highly shortened production timeline
b. tendencies toward lameness
c. markedly less fertility
d. considerably broader genetic lines
Question 2
Scientists have recommended growers do which of the following to prevent the development of insect resistance to Bt?
a. employ other insecticides with Bt
b. use cultural control methods
c. employ other insecticides with Bt and use cultural control methods
d. neither employ other insecticides with Bt nor use cultural control methods