Farming practices increasing

Question 1

waht may increase efficiency for energy

Answer 1

growing plant crops
-becasue crops involves only one trophic level , and cattle involves 2
-with much more energy being lost as heat from respiration from the cattle

Question 2

what does intensive rearing do

Answer 2

designed to maximise yield from animals by reducing energy losses

-converting the smallest possible amount of food into maximum yield of meat or products like milk and eggs

Question 3

why does keeping animals confined increase efficiency of energy conversion

Answer 3

movement restriction means less energy to be used in muscle contraction

-environment is warmer so lose less heat to respire less to maintain body temp

-food is highly controlled so optimum nutrition is provided with no wastage

-food has a high energy content and high digestibility

Question 4

what are some other means of improving yield in domestic livestock

Answer 4

-selective breeding of animals to produce high yield varieties

-using growth hormones to increase growth rates and biomass